Commonwealth realm

The Commonwealth realms, shown in blue. Former Commonwealth realms or Dominions are shown in red

Elizabeth II is the reigning sovereign of each of the 16 Commonwealth realms

A Commonwealth realm is one of 16 sovereign states that are members of the Commonwealth of Nations, have Queen Elizabeth II as the reigning constitutional monarch, and have in common the same royal line of succession.

The Statute of Westminster 1931 provided for the then Dominions—named therein as Canada, Australia, New Zealand, the Union of South Africa, the Irish Free State, and Newfoundland—to have full or nearly full legislative independence as equal members of the British Commonwealth of Nations, having with the United Kingdom one person as the sovereign of each respectively. Thereafter, India and Pakistan in 1947 and Ceylon in 1948 became Dominions. By the early 1950s, in order to reflect the equality between the countries in that group, each (including the United Kingdom, but not the former Irish Free State and India, which had by that time become republics) came to be known as a realm. The term was formally used with Britain's proclamation of Elizabeth II as queen in 1952 and was adopted for the modern royal styles and titles under the legislation enacted by the individual countries. The phrase Commonwealth realm is only an informal description, not an official term. The sovereign status of other Commonwealth realms was later granted directly.

Current Commonwealth realms

The number of independent countries in the Commonwealth of Nations that had the same person as monarch reached 18 between 1983 and 1987. There have been 16 realms since 1992. As of 2010, they have a combined area (excluding Antarctic claims) of 18.7 million km² (7.2 million mi²) and a population of 140 million, of which all but about two million live in the six most populous: the United Kingdom, Canada, Australia, Papua New Guinea, New Zealand, and Jamaica.

Country	Pop.	Monarchy	Date	Queen's Title (differences shown here bolded)	Sovereign's royal standard
Antigua and Barbuda	0.09	Monarchy of Antigua and Barbuda	1981	Elizabeth the Second, by the Grace of God, Queen of Antigua and Barbuda and of Her other Realms and Territories, Head of the Commonwealth.	None
Australia	23.89	Monarchy of Australia	1931	Elizabeth the Second, by the Grace of God, Queen of Australia and Her other Realms and Territories, Head of the Commonwealth.
The Bahamas	0.32	Monarchy of the Bahamas	1973	Elizabeth the Second, by the Grace of God, Queen of the Commonwealth of the Bahamas and of Her other Realms and Territories, Head of the Commonwealth.	None
Barbados	0.28	Monarchy of Barbados	1966	Elizabeth the Second, by the Grace of God, Queen of Barbados and of Her other Realms and Territories, Head of the Commonwealth
Belize	0.34	Monarchy of Belize	1981	Elizabeth the Second, by the Grace of God, Queen of Belize and of Her Other Realms and Territories, Head of the Commonwealth	None
Canada	35.74	Monarchy of Canada	1931	English: Elizabeth the Second, by the Grace of God of the United Kingdom, Canada and of Her other Realms and Territories Queen, Head of the Commonwealth, Defender of the Faith French: Elizabeth Deux, par la grâce de Dieu Reine du Royaume-Uni, du Canada et de ses autres royaumes et territoires, Chef du Commonwealth, Défenseur de la Foi
Grenada	0.11	Monarchy of Grenada	1974	Elizabeth the Second, by the Grace of God, Queen of the United Kingdom of Great Britain and Northern Ireland and of Grenada and Her other Realms and Territories, Head of the Commonwealth	None
Jamaica	2.89	Monarchy of Jamaica	1962	Elizabeth the Second, by the Grace of God, Queen of Jamaica and of Her other Realms and Territories, Head of the Commonwealth
New Zealand	4.57	Monarchy of New Zealand	1931	Elizabeth the Second, by the Grace of God, Queen of New Zealand and Her Other Realms and Territories, Head of the Commonwealth, Defender of the Faith
Papua New Guinea	7.06	Monarchy of Papua New Guinea	1975	Elizabeth the Second, Queen of Papua New Guinea and Her other Realms and Territories, Head of the Commonwealth	None
Saint Kitts and Nevis	0.05	Monarchy of Saint Kitts and Nevis	1983	Elizabeth the Second, by the Grace of God, Queen of Saint Christopher and Nevis and of Her other Realms and Territories, Head of the Commonwealth	None
Saint Lucia	0.17	Monarchy of Saint Lucia	1979	Elizabeth the Second, by the Grace of God, Queen of Saint Lucia and of Her other Realms and Territories, Head of the Commonwealth	None
Saint Vincent and the Grenadines	0.10	Monarchy of Saint Vincent and the Grenadines	1979	Elizabeth the Second, by the Grace of God, Queen of Saint Vincent and the Grenadines and of Her other Realms and Territories, Head of the Commonwealth	None
Solomon Islands	0.52	Monarchy of Solomon Islands	1978	Elizabeth the Second, by the Grace of God, Queen of Solomon Islands and of Her other Realms and Territories, Head of the Commonwealth	None
Tuvalu	0.01	Monarchy of Tuvalu	1978	Elizabeth the Second, by the Grace of God, Queen of Tuvalu and of Her other Realms and Territories, Head of the Commonwealth	None
The United Kingdom	64.51	Monarchy of the United Kingdom	1931	English: Elizabeth the Second, by the Grace of God, of the United Kingdom of Great Britain and Northern Ireland and of Her other Realms and Territories Queen, Head of the Commonwealth, Defender of the Faith Latin: Elizabeth Secunda Dei Gratia Britanniarum Regnorumque Suorum Ceterorum Regina Consortionis Populorum Princeps Fidei Defensor

Relationship of the realms

The Commonwealth realms are, for purposes of international relations, sovereign states. They are united only in their voluntary connection with the institution of the monarchy, the succession, and the Queen herself; the person of the sovereign and the Crown were said in 1936 to be "the most important and vital link" between the realms. Political scientist Peter Boyce called this grouping of countries associated in this manner, "an achievement without parallel in the history of international relations or constitutional law." Terms such as personal union, a form of personal union, and shared monarchy, among others, have all been advanced as definitions since the beginning of the Commonwealth itself, though there has been no agreement on which term is most accurate, or even whether personal union is applicable at all. The United Kingdom no longer holds any legislative power over any country besides itself, although some countries continue to use, by their own volition, the Judicial Committee of the Privy Council as part of their own judiciary; usually as the highest court of appeal.

Since each realm has the same person as its monarch, the diplomatic practice of exchanging ambassadors with letters of credence and recall from one head of state to another is redundant. Diplomatic relations between the Commonwealth realms are thus at a cabinet level only and high commissioners are exchanged between realms (though all other countries in the Commonwealth of Nations also follow this same practice, but for traditional reasons). A high commissioner's full title will thus be High Commissioner for Her Majesty's Government in [Country]. For certain ceremonies, the order of precedence for the realms' high commissioners or national flags is set according to the chronological order of, first, when the country became a Dominion and then the date on which the country gained independence.

Conflicts of interest have arisen from this relationship amongst independent states, ranging from minor diplomatic matters—such as the monarch expressing on the advice of one of her cabinets views that counter those of another of her cabinets—to more serious conflicts regarding matters of armed conflict, wherein the monarch, as head of state of two different realms, may be simultaneously at war and at peace with a third country, or even at war with herself as head of two hostile nations. In such cases, viceroys have tended to avoid placing the sovereign directly in the centre of the conflict, meaning that a governor-general may have to take controversial actions entirely on his or her own initiative through the exercise of the reserve powers.

In recent years, advocates have argued for free movement of citizens among a subset of the Commonwealth realms: the United Kingdom, Canada, Australia, and New Zealand, which they argue "share the same head of state, the same native language, [and] the same respect for the common law." Opinion on the prospect of the plan coming to fruition is mixed. British Eurosceptics (who wish for the UK to leave the European Union) have expressed a preference for a relationship "similar in nature and goals to the EU" between the same four countries: the CANZUK Union.—though this possibility has also been characterized as "difficult and in some ways far-fetched".

The Crown in the Commonwealth realms

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Queen Elizabeth II and the Duke of Edinburgh pose at Windsor Castle with the Queen's fifteen governors-general in April 2002

The evolution of the Commonwealth realms has resulted in the Crown having both a shared and a separate character, with the one individual being equally monarch of each state and acting as such in right of a particular realm as a distinct legal person guided only by the advice of the cabinet of that jurisdiction. This means that in different contexts the term Crown may refer to the extra-national institution associating all 16 countries, or to the Crown in each realm considered separately. However, though the monarchy is therefore no longer an exclusively British institution, having become "domesticated" in each of the realms, it may in the media and legal fields often still be elaborated as the British Crown for reasons historical, of convenience, or political, regardless of the different, specific, and official national titles and terms used when addressing the Queen of the citizenry in each jurisdiction. For example, in Barbados the Queen is titled as Elizabeth II, Queen of Barbados, or simply the Queen of Barbados, with her full title making mention of her position as queen of the other Commonwealth realms.

From a cultural standpoint, the sovereign's name and image and other royal symbols unique to each nation are visible in the emblems and insignia of governmental institutions and militia. The Queen's effigy, for example, appears on coins and banknotes in some countries, and an oath of allegiance to the Queen is usually required from politicians, judges, military members and new citizens. By 1959, it was being asserted by Buckingham Palace officials that the Queen was "equally at home in all her realms."

Royal succession and regency

Charles, Prince of Wales (left), heir apparent to Queen Elizabeth II; his elder son, Prince William, Duke of Cambridge (centre), the second in the line of succession; and Charles' second son, Prince Henry of Wales (right), then third in line (now fifth)

To guarantee the continuity of multiple states sharing the same person as monarch of each, the preamble of the Statute of Westminster 1931 laid out a convention that any alteration to the line of succession in any one country must be voluntarily approved by the parliaments of all the realms. This convention was first applied to the abdication of Edward VIII in 1936. For expediency and to avoid embarrassment, the British government had suggested the Dominion governments regard whomever is monarch of the UK to automatically be their monarch. However, the Dominions rejected this; Prime Minister of Canada William Lyon Mackenzie King pointed out that the Statute of Westminster required Canada's request and consent to any legislation passed by the British parliament before it could become part of Canada's laws and affect the line of succession in Canada. Sir Maurice Gwyer, first parliamentary counsel in the UK, reflected this position, stating the Act of Settlement was a part of the law in each Dominion. Though the Statute of Westminster is today law only in Canada, Australia, and the United Kingdom, the convention of approval from the other realms was reasserted by the Perth Agreement of 2011, in which all 16 countries agreed in principle to change the succession rule to absolute primogeniture, remove the restriction on the monarch being married to a Catholic, and lessen the number of members of the Royal Family requiring the monarch's permission to marry. These changes came into effect on 26 March 2015. Alternatively, a Commonwealth realm may choose to cease being such by making its throne the inheritance of a different royal house or by becoming a republic, actions to which, though they alter the country's royal succession, the convention does not apply.

Agreement among the realms does not, however, mean the succession laws cannot diverge. During the abdication crisis in 1936, the United Kingdom passed His Majesty's Declaration of Abdication Act with the approval of the parliament of Australia and the governments of the remaining Dominions. (Canada, New Zealand, and South Africa gave parliamentary assent later.) The act effected Edward's abdication in the United Kingdom on 11 December; as the Canadian government had requested and consented to the act becoming part of Canadian law and Australia and New Zealand had then not yet adopted the Statute of Westminster, the abdication took place in those countries on the same day. The parliament of South Africa, however, passed its own legislation—His Majesty King Edward the Eighth's Abdication Act, 1937—which backdated the abdication there to 10 December. The Irish Free State recognised the king's abdication with the Executive Authority (External Relations) Act 1936 on 12 December. According to Anne Twomey, this demonstrated "the divisibility of the Crown in the personal, as well as the political, sense." For E H Coghill, writing as early as 1937, it proved the convention of a common line of succession "is not of imperative force" and Kenneth John Scott asserted in 1962 that it ended the "convention that statutory uniformity on these subjects would be maintained in the parts of the Commonwealth that continued to owe allegiance to the Crown".

Today, some realms govern succession by their own domestic laws, while others, either by written clauses in the constitution or by convention, stipulate that whomever is monarch of the United Kingdom is automatically also monarch of that realm. It is generally agreed that any unilateral alteration of succession by the UK would not have effect in all the realms.

Following the accession of George VI to the throne, the United Kingdom created legislation that would provide for a regency in the event the monarch was not of age or incapacitated. Though input was sought from the Dominions on this matter, all declined to make themselves bound by the British legislation, feeling instead that the governors-general could carry out royal functions in place of a debilitated or underage sovereign; some realms that were later created incorporated this principle into their constitutions. New Zealand included in its Constitution Act 1986 a clause specifying that, should a regent be installed in the United Kingdom, that individual will carry out the functions of the monarch of New Zealand.

Monarch's role in the realms

The monarch holds the highest position in each Commonwealth realm and may perform such functions as issuing executive orders, commanding the military forces, and creating and administering laws. However, each country now operates under the Westminster system of parliamentary democracy and the concept of responsible government, meaning that the monarch exercises her powers only on the advice of her Crown ministers, who are usually drawn from, and thus responsible to, the elected chamber of the relevant parliament. In some realms, such as Papua New Guinea, these conventions are codified in constitutional law.

King George VI, with Queen Elizabeth, grants Royal Assent to bills in the Senate of Canada, 1939

The sovereign resides predominantly in her oldest realm, the United Kingdom, and thus carries out her duties there mostly in person. The Queen appoints viceroys to perform most of the royal constitutional and ceremonial duties on her behalf in the other realms: in each, a governor-general as her personal national representative, as well as a governor as her representative in each of the Australian states. These appointments are all made on the advice of the prime minister of the country or the premier of the state concerned, though this process may have additional requirements. In certain other cases, the extent to which varies from realm to realm, specific additional powers are reserved exclusively for the monarch—such as the appointment of extra senators to the Canadian Senate, the creation of honours, or the issuance of letters patent—and on occasions of national importance, the Queen may be advised to perform in person her constitutional duties, such as granting Royal Assent or issuing a royal proclamation. Otherwise, all royal powers, including the Royal Prerogative, are carried out on behalf of the sovereign by the relevant viceroy, which, apart from those already mentioned, include a lieutenant governor in each province of Canada (appointed by the Governor General of Canada). In the United Kingdom, the Queen appoints Counsellors of State to perform her constitutional duties in her absence.

Similarly, the monarch will perform ceremonial duties in the Commonwealth realms to mark historically significant events. He or she does so most frequently in the United Kingdom and, in the other countries, during tours at least once every five or six years, meaning the Queen is present in a number of her dominions outside the UK, or acting on behalf of those realms abroad, approximately every other year. For this work, the sovereign receives no salary from any state; instead, only the expenses incurred for each event (security, transportation, venue, etc.) are, due to the nature of the Crown in the realms, funded by the relevant state individually through the ordinary legislative budgeting process and, if called for, by the organisation that invited the sovereign's attendance. These engagements are organised in order for the Crown to honour, encourage, and learn about the achievements or endeavours of individuals, institutions, and enterprises in a variety of areas of the lives of the Queen's subjects.

Citizens in Commonwealth realms may request birthday or wedding anniversary messages to be sent from the sovereign. This is available for 100th, 105th, and beyond for birthdays; and 60th ("Diamond"), 65th, 70th ("Platinum"), and beyond for wedding anniversaries.

Religious role of the monarch

The sovereign's religious role differs from country to country. In all realms except Papua New Guinea, the Queen is sovereign "By the Grace of God", a phrase that forms a part of her official title within those states. In Canada, the United Kingdom, and New Zealand, "Defender of the Faith" (in Latin: fidei defensor)—the ancient phrase first granted in 1521 by Pope Leo X to King Henry VIII—is also included as a part of the royal title and the sovereign is anointed as such in the only coronation that takes place in any of the realms, a ceremony in the context of a church service imbued with theological and constitutional symbolism and meaning, held at Westminster Abbey in London, United Kingdom.

However, it is solely in the United Kingdom that the Queen actually plays a role in organised religion. In England, she acts as the Supreme Governor of the Church of England and appoints its bishops and archbishops who thereafter act as her Lords Spiritual. In Scotland, she swears an oath to uphold and protect the Church of Scotland and sends to meetings of the church's General Assembly a Lord High Commissioner as her representative, when she is not personally in attendance.

Royal family

As with the sovereign, a single royal family is shared by the Commonwealth realms. Still, it is frequently referred to in a casual fashion as the British Royal Family, sometimes causing conflict with official national titles, such as in Canada. Though there is no strict legal or formal definition of who is or is not a member of the Royal Family, the group is loosely defined as the extended family of the monarch and these persons constitute the apex of a modern royal court.

These persons, either as representatives of the monarch or as part of their own charitable endeavours, regularly perform public duties at hundreds of events throughout the 16 realms each year, funded in the same way as the monarch's similar execution of his or her ceremonial role. Their work, which is all formally recorded in the Court Circular, draws public attention to amicable relations within and between the nations of the Commonwealth and beyond; the members of the Royal Family draw enormous media coverage in the form of photographic, written, and televised commentary on not only their activities and public roles, but also family relationships, rites of passage, personalities, attire, and behaviour.

Flags

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The Royal Standard of Prince William, Duke of Cambridge, in Canada

The Royal Standard of Prince William, Duke of Cambridge, in the United Kingdom

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Some members of the royal family have different heraldic standards for use in the appropriate realm.

The Queen employs various royal standards to mark her presence, the particular one used depending on which realm she is in or acting on behalf of at the time. There are currently unique flags for Australia, Barbados, Canada, Jamaica, New Zealand, and two variations for the United Kingdom—one for Scotland and another for the rest of the country. All are heraldic banners displaying the shield of the sovereign's coat of arms for that state, and each, save for those of the UK, are defaced in the centre with the Queen's Personal Flag, a crowned E for Elizabeth surrounded by a garland of roses representing the countries of the Commonwealth. This latter flag on its own is used for realms that do not have a unique personal standard for the monarch, as well as for general use in representing the Queen as Head of the Commonwealth. The monarch previously held royal standards for Sierra Leone, Mauritius, Malta, and Trinidad and Tobago, but these banners became obsolete when the countries became republics.

Other members of the Royal Family have their own personal standards. In the United Kingdom, most have their own distinctive banner or banners. The Prince of Wales, Duke of Cambridge, Princess Royal, Duke of York, and Earl of Wessex also have one each for Canada. Those who do not possess a standard for an individual realm will use their British standard to identify themselves when touring other Commonwealth realms and foreign countries.

The governors-general throughout the Commonwealth realms also each use a personal flag, which, like that of the sovereign, passes to each successive occupant of the office. Most feature a lion passant atop a St. Edward's royal crown with the name of the country across a scroll underneath, all on a blue background. The two exceptions are those of, since 1981, Canada (bearing on a blue background the crest of the Royal Coat of Arms of Canada) and, since 2008, New Zealand (a St. Edward's Crown above the shield of the Coat of Arms of New Zealand). The lieutenant governors of the Canadian provinces each have their own personal standards, as do the governors of the Australian states.

Historical development

Dominions emerge

The possibility that a colony within the British Empire might become a new kingdom was first mooted in the 1860s, when it was proposed that the British North American territories of Nova Scotia, New Brunswick, and the Province of Canada unite as a confederation that might be known as the Kingdom of Canada. In light of geo-political circumstances at the time, however, the name was abandoned in favour of the Dominion of Canada. As more British colonies followed Canada in gaining legislative independence from the United Kingdom, Prime Minister of Canada Sir Wilfrid Laurier insisted at the 1907 Imperial Conference that a formula be created to differentiate between the Crown and the self-governing colonies. For the latter the Canadian precedent was followed, and the term Dominion was extended to apply to Australia, New Zealand, Newfoundland, and the colonies of the Cape, Natal, and Transvaal, before and after they merged in 1910 with the Orange River Colony to form the Union of South Africa. These countries were joined by the Irish Free State in December 1922.

William Orpen's The Signing of Peace in the Hall of Mirrors: a compiled portrait of the main delegates to the signing of the Treaty of Versailles, including some of the Dominion delegates

King George V with his prime ministers at the Imperial Conference of 1926

Although the Dominions were capable of governing themselves internally, they technically remained—especially in regard to foreign policy and defence—subject to British authority, wherein the governor-general of each Dominion represented the British monarch-in-Council reigning over these territories as a single imperial domain. It was commonly held in some circles that the Crown was a monolithic element throughout all the monarch's territories; A.H. Lefroy wrote in 1918 that "the Crown is to be considered as one and indivisible throughout the Empire; and cannot be severed into as many kingships as there are Dominions, and self-governing colonies." This unitary model began to erode, however, when the Dominions gained more international prominence as a result of their participation and sacrifice in the First World War, in 1919 prompting Canadian prime minister Sir Robert Borden and South African minister of defence Jan Smuts to demand that the Dominions be given at the Versailles Conference full recognition as "autonomous nations of an Imperial Commonwealth." The immediate result was that, though the King signed as High Contracting Party for the empire as a whole, the Dominions were also separate signatories to the Treaty of Versailles, as well as, together with India, founding members of the League of Nations. In 1921 the Prime Minister of the United Kingdom David Lloyd George stated that the "British Dominions have now been accepted fully into the community of nations."

Between the wars

The pace of independence increased in the 1920s, led by Canada, which exchanged envoys with the United States in 1920 and concluded the Halibut Fisheries Treaty in its own right in 1923. In the Chanak crisis of 1922, the Canadian government insisted that its course of action would be determined by the Canadian parliament, not the British government, and, by 1925, the Dominions felt confident enough to refuse to be bound by Britain's adherence to the Treaty of Locarno. These developments, combined with a realisation that the Crown was already operating distinctly and separately within each of the jurisdictions of the Canadian provinces and Australian states, appeared to put to rest previous assertions that the Crown could never be divided amongst the Dominions.

Another catalyst for change came in 1926, when Field Marshal the Lord Byng of Vimy, then Governor General of Canada, refused the advice of his prime minister (William Lyon Mackenzie King) in what came to be known colloquially as the King–Byng Affair. Mackenzie King, after resigning and then being reappointed as prime minister some months later, pushed at the Imperial Conference of 1926 for a reorganisation of the way the Dominions related to the British government, resulting in the Balfour Declaration, which declared formally that the Dominions were fully autonomous and equal in status to the United Kingdom. What this meant in practice was not at the time worked out; conflicting views existed, some in the United Kingdom not wishing to see a fracturing of the sacred unity of the Crown throughout the empire, and some in the Dominions not wishing to see their jurisdiction have to take on the full brunt of diplomatic and military responsibilities.

What did follow was that the Dominion governments gained an equal status with the United Kingdom, a separate and direct relationship with the monarch, without the British Cabinet acting as an intermediary, and the governors-general now acted solely as a personal representative of the sovereign in right of that Dominion. Though no formal mechanism for tendering advice to the monarch had yet been established—former Prime Minister of Australia William Morris Hughes theorised that the Dominion cabinets would provide informal direction and the British Cabinet would offer formal advice—the concepts were first put into legal practice with the passage in 1927 of the Royal and Parliamentary Titles Act, which implicitly recognised the Irish Free State as separate from the UK, and the King as king of each Dominion uniquely, rather than as the British king in each Dominion. At the same time, terminology in foreign relations was altered to demonstrate the independent status of the Dominions, such as the dropping of the term "Britannic" from the King's style outside of the United Kingdom. Then, in 1930 George V's Australian ministers employed a practice adopted by resolution at that year's Imperial Conference, directly advising the King to appoint Sir Isaac Isaacs as his Australian governor-general, against the preferences of the British government and the King himself.

Statute of Westminster

These new developments were explicitly codified in 1931 with the passage of the Statute of Westminster, through which Canada, the Union of South Africa, and the Irish Free State all immediately obtained formal legislative independence from the UK, while in the other Dominions adoption of the statute was subject to ratification by the Dominion's parliament. Australia and New Zealand did so in 1942 and 1947, respectively, with the former's ratification back-dated to 1939, while Newfoundland never ratified the bill and reverted to direct British rule in 1934. As a result, the parliament at Westminster was unable to legislate for any Dominion unless requested to do so, although the Judicial Committee of the Privy Council was left available as the last court of appeal for some Dominions. Specific attention was given in the statute's preamble to royal succession, outlining that no changes to that line could be made by the parliament of the United Kingdom or that of any Dominion without the assent of all the other parliaments of the UK and Dominions, an arrangement a justice of the Ontario Superior Court in 2003 likened to "a treaty among the Commonwealth countries to share the monarchy under the existing rules and not to change the rules without the agreement of all signatories."

Edward VIII and Wallis Simpson on holiday in the Mediterranean, 1936

The prime ministers of five Commonwealth countries at the 1944 Commonwealth Prime Ministers' Conference; from left to right: William Lyon Mackenzie King (Canada), Jan Smuts (South Africa), Winston Churchill (United Kingdom), Peter Fraser (New Zealand), and John Curtin (Australia)

This was all met with only minor trepidation, either before or at the time, and the government of Ireland was confident that the relationship of these independent countries under the Crown would function as a personal union, akin to that which had earlier existed between the United Kingdom and Hanover (1801 to 1837), or between England and Scotland (1603 to 1707). Its first test came, though, with the abdication of King Edward VIII in 1936, for which it was necessary to gain the consent of the governments of all the Dominions and the request and consent of the Canadian government, as well as separate legislation in South Africa and the Irish Free State, before the resignation could take place across the Commonwealth.

The civil division of the Court of Appeal of England and Wales later found in 1982 that the British parliament could have legislated for a Dominion simply by including in any new law a clause claiming the Dominion cabinet had requested and approved of the act, whether that was true or not. Further, the British parliament was not obliged to fulfill a Dominion's request for legislative change. Regardless, in 1935 the British parliament refused to consider the result of the Western Australian secession referendum of 1933 without the approval of the Australian federal parliament. In 1937, the Appeal Division of the Supreme Court of South Africa ruled unanimously that a repeal of the Statute of Westminster in the United Kingdom would have no effect in South Africa, stating: "We cannot take this argument seriously. Freedom once conferred cannot be revoked." Others in Canada upheld the same position.

Independent Dominions

At the 1932 British Empire Economic Conference, delegates from the United Kingdom, led by Stanley Baldwin (then Lord President of the Council), hoped to establish a system of free trade within the British Commonwealth, to promote unity within the British Empire and to assure Britain's position as a world power. The idea was controversial, as it pitted proponents of imperial trade with those who sought a general policy of trade liberalisation with all nations. The Dominions, particularly Canada, were also adamantly against dispensing with their import tariffs, which "dispelled any romantic notions of a 'United Empire'." The meeting, however, did produce a five year trade agreement based upon a policy, first conceived in the 1900s, of Imperial Preference: the countries retained their import tariffs, but lowered these for other Commonwealth countries. The free trade agreement was thwarted by the United States, which saw Commonwealth preference to the UK as an economic threat.

During his tenure as Governor General of Canada, Lord Tweedsmuir urged the organisation of a royal tour of the country by King George VI, so that he might not only appear in person before his people, but also personally perform constitutional duties and pay a state visit to the United States as king of Canada. While the idea was embraced in Canada as a way to "translate the Statute of Westminster into the actualities of a tour," throughout the planning of the trip that took place in 1939, the British authorities resisted at numerous points the idea that the King be attended by his Canadian ministers instead of his British ones. The Canadian prime minister (still Mackenzie King) was ultimately successful, however, in being the minister in attendance, and the King did in public throughout the trip ultimately act solely in his capacity as the Canadian monarch. Yet, the international status of the Crown was also illustrated by George VI simultaneously bolstering from both Canada and the United States support for the United Kingdom in the looming war with Nazi Germany.

When this threat became reality, there was some uncertainty in the Dominions about the ramifications of Britain's declaration of war against Adolf Hitler. Australia and New Zealand had not yet ratified the Statute of Westminster; the Australian prime minister, Robert Menzies, considered the government bound by the British declaration of war, while New Zealand coordinated a declaration of war to be made simultaneously with Britain's. As late as 1937, some scholars were still of the mind that, when it came to declarations of war, if the King signed, he did so as king of the empire as a whole; at that time, W. Kennedy wrote: "in the final test of sovereignty—that of war—Canada is not a sovereign state... and it remains as true in 1937 as it was in 1914 that when the Crown is at war, Canada is legally at war," and, one year later, Arthur Berriedale Keith argued that "issues of war or neutrality still are decided on the final authority of the British Cabinet." In 1939, however, Canada and South Africa made separate proclamations of war against Germany a few days after the UK's. Their example was followed more consistently by the other realms as further war was declared against Italy, Rumania, Hungary, Finland, and Japan. Éire (the independent Irish state) remained neutral. At the war's end, it was said by F.R. Scott that "it is firmly established as a basic constitutional principle that, so far as relates to Canada, the King is regulated by Canadian law and must act only on the advice and responsibility of Canadian ministers."

Post-war evolution

Within three years following the end of the Second World War, India, Pakistan, and Ceylon became independent realms within the Commonwealth (then still called Dominions), though it was made clear at the time that India would soon move to a republican form of government. Unlike the Republic of Ireland and Burma at the time of their becoming republics, however, there was no desire on the part of India to give up its membership in the British Commonwealth, prompting a Commonwealth Conference and the issuance of the London Declaration in April 1949, which entrenched the idea of Canadian prime minister Louis St. Laurent that different royal houses and republics be allowed in the Commonwealth so long as they recognised as the international organisation's symbolic head the shared sovereign of the United Kingdom and the Dominions. Shortly before the London Declaration, Newfoundland, which had remained a Dominion in name only, had become a province of Canada.

At approximately the same time, the tabling in 1946 of the Canadian parliament's Canadian Citizenship Act had brought into question the homogeneity of the King's subjects, which, prior to that year, was uniformly defined in terms of allegiance to the sovereign, without regard to the individual's country of residence. Following negotiations, it was decided in 1947 that each Commonwealth member was free to pass its own citizenship legislation, so that its citizens owed allegiance only to the monarch in right of that country.

As these constitutional developments were taking place, the Dominion and British governments became increasingly concerned with how to represent the more commonly accepted notion that there was no distinction between the sovereign's role in the United Kingdom and his or her position in any of the Dominions. Thus, at the 1948 Prime Ministers' Conference the term Dominion was avoided in favour of Commonwealth country, in order to avoid the subordination implied by the older designation.

From the accession of Queen Elizabeth II

With the British proclamation of Elizabeth II's accession to the throne in 1952, the phrases Commonwealth realm and Head of the Commonwealth became established, deriving from the words that declared the monarch as "of this Realm, and of her other Realms and Territories Queen, Head of the Commonwealth." Previously, the term realm in its singular form was understood to refer to the entire British Empire, rather than a "separate kingdom" under a shared crown.

Queen Elizabeth II in 1953

The Commonwealth realms' prime ministers thereafter discussed the matter of the new monarch's title, with St. Laurent stating at the 1953 Commonwealth Conference that it was important to agree on a format that would "emphasise the fact that the Queen is Queen of Canada, regardless of her sovereignty over other Commonwealth countries." The result was a new Royal Style and Titles Act being passed in each of the seven realms then existing (excluding Pakistan), which all identically gave formal recognition to the separateness and equality of the countries involved, and replaced the phrase "British Dominions Beyond the Seas" with "Her Other Realms and Territories", the latter using the medieval French word realm (from royaume) in place of dominion. Further, at her coronation, Elizabeth II's oath contained a provision requiring her to promise to govern according to the rules and customs of the realms, naming each one separately. The change in perspective was summed up by Patrick Gordon Walker's statement in the British House of Commons: "We in this country have to abandon... any sense of property in the Crown. The Queen, now, clearly, explicitly and according to title, belongs equally to all her realms and to the Commonwealth as a whole."

In the same period, Walker also suggested to the British parliament that the Queen should annually spend an equal amount of time in each of her realms. Lord Altrincham, who in 1957 criticised Queen Elizabeth II for having a court that encompassed mostly Britain and not the Commonwealth as a whole, was in favour of the idea, but it did not attract wide support. Another thought raised was that viceregal appointments should become trans-Commonwealth; the Governor-General of Australia would be someone from South Africa, the Governor-General of Ceylon would come from New Zealand, and so on. The prime ministers of Canada and Australia, John Diefenbaker and Robert Menzies, respectively, were sympathetic to the concept, but, again, it was never put into practice.

The principle of complete separation and equality was followed in all future grants of independence to countries which became realms, including those that came through the winds of change that swept through Africa in the 1960s, the collapse of the Federation of the West Indies in 1962, and at later dates. The most recently created Commonwealth realm is Saint Kitts and Nevis, which achieved the status in 1983. The process of separation was completed when the residual rights of the British parliament in the affairs of Canada, Australia and New Zealand reserved by the Statute of Westminster were repealed in the 1980s, through the Constitution Act 1982 for Canada, the Australia Act 1986 and the Constitution Act 1986 for New Zealand, and corresponding legislation in Britain.

Within a few years of gaining independence, the African realms drafted new constitutions in order to become republics within the Commonwealth; South Africa, having been a Dominion and then a realm for 51 years, also became a republic in 1961. The white minority government of Rhodesia in 1965 issued its unilateral declaration of independence, and its members affirmed their loyalty to Elizabeth II as "Queen of Rhodesia", a title to which she had not consented, did not accept, and was not recognised internationally. Her representative in the colony, Sir Humphrey Gibbs, immediately dismissed his prime minister, Ian Smith, but this action was ignored by Smith and he appointed, without the Queen's consent, an Officer Administrating the Government to perform the governor's constitutional duties until 1970, when Smith's government declared Rhodesia a republic.

Several non-African realms have also become republics within the Commonwealth, starting with India in 1950 and Pakistan in 1957. The most recent change is Mauritius, which became a republic in 1992. In a number of Commonwealth realms, including the United Kingdom, movements have emerged advocating a republican government in place of constitutional monarchy; they were, and continue to be, countered by monarchist leagues that support the existing system and/or celebrate the historical and modern connections the common monarchy provides. Unsuccessful referenda on proposed models of republics have taken place in Australia, Tuvalu, and Saint Vincent and the Grenadines.

On 6 July 2010, Queen Elizabeth II addressed the United Nations in New York City as queen of all 16 Commonwealth realms. The following year, Portia Simpson-Miller, the Prime Minister of Jamaica, spoke of a desire to make that country a republic, while Alex Salmond, the First Minister of Scotland and leader of the Scottish National Party (which favours Scottish independence), stated an independent Scotland "would still share a monarchy with... the UK, just as... 16 [sic] other Commonwealth countries do now." Dennis Canavan, leader of Yes Scotland, disagreed and said a separate, post-independence referendum should be held on the matter.

Following the Perth Agreement of 2011, the Commonwealth realms, in accordance with convention, together engaged in a process of amending the common line of succession according to each country's constitution, to ensure the order would continue to be identical in every realm. In legislative debates in the United Kingdom, the term Commonwealth realm was employed.

Former Commonwealth realms

Country	From	To	Original republican system	Method of transition	Royal Standard
Ceylon	1948	1972	Parliamentary republic	New constitution
Fiji	1970	1987	Parliamentary republic	Military coup
Gambia	1965	1970	Presidential republic	Referendum
Ghana	1957	1960	Presidential republic	Referendum
Guyana	1966	1970	Parliamentary republic	Constitutional amendment
India	1947	1950	Parliamentary republic	New constitution
Irish Free State / Ireland	1931	1949	Parliamentary republic	Act of parliament
Kenya	1963	1964	Presidential republic	New constitution
Malawi	1964	1966	One-party republic	New constitution
Malta	1964	1974	Parliamentary republic	Constitutional amendment
Mauritius	1968	1992	Parliamentary republic	Constitutional amendment
Nigeria	1960	1963	Parliamentary republic	Constitutional amendment
Pakistan	1947	1956	Parliamentary republic	New constitution
Sierra Leone	1961	1971	Presidential republic	New constitution
South Africa	1931	1961	Parliamentary republic	Referendum and new constitution
Tanganyika	1961	1962	Presidential republic	New constitution
Trinidad and Tobago	1962	1976	Parliamentary republic	New constitution
Uganda	1962	1963	Parliamentary republic	Constitutional amendment

Republican referenda

A number of Commonwealth realms have held referenda to consider whether they should become a republic. As of December 2015, of the eight referenda held, only three have been successful in Ghana, South Africa and Gambia (on the second referendum). Those that were rejected were held in Australia, twice in Tuvalu, and in Saint Vincent and the Grenadines. There are currently no planned referenda, but interest in holding a second referendum was expressed in Australia in 2010.

Year held	Country	Yes	No	Margin of victory(%)	Republic
1960	Ghana	1,008,740 (88.96%)	131,145 (11.5%)	877,595 (77%)
1960	Union of South Africa	850,458 (52.29%)	775,878 (47.7%)	74,580 (5%)
1965	The Gambia	61,563 (65.85%)	31,921 (34.14%)	N/A
1970	The Gambia	84,968 (70.4%)	35,638 (29.54%)	49,330 (41%)
1986	Tuvalu	121 (5.34%)	2,144 (94.65%)	2,023 (86%)
1999	Australia	5,273,024 (45.13%)	6,410,787 (54.87%)	1,137,763 (10%)
2008	Tuvalu	679 (35.02%)	1,260 (64.98%)	581 (30%)
2009	Saint Vincent and the Grenadines	22,646 (43.71%)	29,167 (55.29%)	6,521 (12%)

Notes

1. ^ This referendum failed to have one side of the vote clearing a two-thirds (66%) total, therefore it was rejected.

See also

• States headed by Elizabeth II
• Member states of the Commonwealth of Nations
• Commonwealth Family
• Imperial Federation
• British Empire