Member states of the Commonwealth of Nations

Columns: Country | Joined | Region | Population | System of government
Antigua and Barbuda | 1981-11-01 1 November 1981 | West Indies | 94,195 | Unitary Commonwealth realm | Australia | 1931-12-11 19 November 1926 | Oceania ( Australasia ) | 25,215,000 | Federal Commonwealth realm | The Bahamas | 1973-07-10 10 July 1973 | West Indies | 402,576 | Unitary Commonwealth realm | Bangladesh | 1972-04-18 18 April 1972 | South Asia | 165,867,307 | Unitary Westminster republic | Barbados | 1966-11-30 30 November 1966 | West Indies | 286,618 | Unitary Commonwealth realm | Belize | 1981-09-21 21 September 1981 | Central America | 379,636 | Unitary Commonwealth realm | Botswana | 1966-09-30 30 September 1966 | Southern Africa | 2,377,831 | Unitary parliamentary republic with an executive presidency

Example questions:
What is the population of the country that is the largest Commonwealth of Nations country in Oceania ? | What is the population of the country that is a member of the Commonwealth Realms under the monarchy of Queen Elizabeth II ? | What is the population of the Commonwealth of Nations country that is an island sovereign state in the West Indies in the Americas ? | What is the population of the Commonwealth of Nations country that has an area of 22,970 square kilometres ( 8,867 sq mi ) ?

Answers:
25,215,000 | 402,576 | 94,195 | 379,636