diff --git a/coderd/database/dump.sql b/coderd/database/dump.sql
index 27fc6815a0d40..43238d3f71b47 100644
--- a/coderd/database/dump.sql
+++ b/coderd/database/dump.sql
@@ -1321,6 +1321,10 @@ CREATE UNIQUE INDEX users_username_lower_idx ON users USING btree (lower(usernam
 
 CREATE INDEX workspace_agent_startup_logs_id_agent_id_idx ON workspace_agent_logs USING btree (agent_id, id);
 
+CREATE INDEX workspace_agent_stats_template_id_created_at_user_id_idx ON workspace_agent_stats USING btree (template_id, created_at DESC, user_id) WHERE (connection_count > 0);
+
+COMMENT ON INDEX workspace_agent_stats_template_id_created_at_user_id_idx IS 'Support index for template insights endpoint to build interval reports faster.';
+
 CREATE INDEX workspace_agents_auth_token_idx ON workspace_agents USING btree (auth_token);
 
 CREATE INDEX workspace_agents_resource_id_idx ON workspace_agents USING btree (resource_id);
diff --git a/coderd/database/migrations/000159_workspace_agent_stats_template_id_created_at_user_id_idx.down.sql b/coderd/database/migrations/000159_workspace_agent_stats_template_id_created_at_user_id_idx.down.sql
new file mode 100644
index 0000000000000..979ca567dbcf9
--- /dev/null
+++ b/coderd/database/migrations/000159_workspace_agent_stats_template_id_created_at_user_id_idx.down.sql
@@ -0,0 +1 @@
+DROP INDEX workspace_agent_stats_template_id_created_at_user_id_idx;
diff --git a/coderd/database/migrations/000159_workspace_agent_stats_template_id_created_at_user_id_idx.up.sql b/coderd/database/migrations/000159_workspace_agent_stats_template_id_created_at_user_id_idx.up.sql
new file mode 100644
index 0000000000000..9c7060768f5b2
--- /dev/null
+++ b/coderd/database/migrations/000159_workspace_agent_stats_template_id_created_at_user_id_idx.up.sql
@@ -0,0 +1,3 @@
+CREATE INDEX workspace_agent_stats_template_id_created_at_user_id_idx ON workspace_agent_stats USING btree (template_id, created_at DESC, user_id) WHERE connection_count > 0;
+
+COMMENT ON INDEX workspace_agent_stats_template_id_created_at_user_id_idx IS 'Support index for template insights endpoint to build interval reports faster.';