In 1914, on the eve of the First World War, the British Empire included:
* The United Kingdom: England, Scotland, Wales and Northern Ireland
* Ireland
* The Channel Islands
* The Isle of Man
* Malta
* British North America (Canada, Newfoundland and Labrador)
* The West Indies (Jamaica, Barbados, Trinidad and Tobago, the Bahamas, etc.)
* British Guiana
* British Honduras
* The Falkland Islands
* St. Helena
* Ascension Island
* Tristan da Cunha
* South Africa (the Cape Colony, Natal, the Orange Free State and the Transvaal)
* Basutoland
* Bechuanaland
* Rhodesia
* Nyasaland
* British East Africa (Kenya, Uganda, Tanganyika and Zanzibar)
* British Somaliland
* Egypt (a protectorate)
* Sudan (a condominium with Egypt)
* Cyprus (a protectorate)
* The Gambia
* Sierra Leone
* The Gold Coast
* Nigeria (the Northern and Southern Protectorates)
* Cameroon (a mandate from the League of Nations)
* Togoland (a mandate from the League of Nations)
* South-West Africa (a mandate from the League of Nations)
* India
* Burma (a province of India)
* Ceylon (Sri Lanka)
* Nepal (a protectorate)
* Bhutan (a protectorate)
* Sikkim (a protectorate)
* Aden
* Socotra
* Perim
* The Trucial States
* Bahrain
* Qatar
* Kuwait
* Oman (a protectorate)
* The Maldives (a protectorate)
* British North Borneo
* Sarawak (a protectorate)
* Brunei (a protectorate)
* Hong Kong
* Weihaiwei (a lease from China)
* Australia (the six colonies of New South Wales, Victoria, Queensland, South Australia, Western Australia and Tasmania)
* Papua (a protectorate)
* New Zealand
* Fiji
* Tonga (a protectorate)
* Samoa (a mandate from the League of Nations)
* Cook Islands
* Niue
* Tokelau
* Pitcairn Island