The birth, registration, naturalisation or other event must have taken place by the date specified in “( )”
- Aden, colony, State of and protectorate of, later part of Yemen (to 29 Nov 1967)
- Amoy, later Xiamen China (to 16 Sep 1930)
- Anguilla (continuing)
- Antigua and Barbuda (to 26 Feb 1967)
- Ascension Island (to 26 Oct 1922)
- Ashanti – part of Gold Coast (to 5 Mar 1957)
- Ashmore and Cartier Islands (to 31 Dec 1948)
- Ashmore Islands (to 2 May 1934)
- Aubad Island (to 26 Jun 1960)
- Bahamas (to 9 Jul 1973)
- Barbados (to 29 Nov 1966)
- Basutoland, later Lesotho (to 3 Oct 1966)
- Bechuanaland Protectorate, later Botswana (to 29 Sep 1966)
- British Honduras, later Belize (to 20 Sep 1981)
- Bermuda (continuing)
- British Antarctic Territory (continuing)
- British Burma, later Burma and Myanamar (to 3 Jan 1948)
- British Guiana (later Guyana) (to 25 May 1966)
- British Indian Ocean Territory (continuing)
- Brunei (to 31 Dec 1983)
- Cameroons – British, later part of Nigeria (to 30 Sep 1961)
- Cartier Island (to 2 May 1934)
- Cayman Islands (continuing)
- Ceylon, later Sri Lanka (31 Dec 1948)
- Channel Islands – Jersey, Gurnsey, Sark and dependencies (continuing)
- Christmas Island (Indian Ocean) (to 30 Sep 1958)
- Christmas Island (Pacific Ocean) (to 27 Nov 1919)
- Cyprus (to 9 Aug 1960)
- Cyprus, Akrotiri and Dhekelia, British military bases (continuing)
- Dominica (to 28 Feb 1967)
- Falkland Islands and dependencies (continuing)
- Fanning Island (to 18 May 1916)
- Federation of Rhodesia and Nyasaland (Central African Federation) – see Northern Rhodesia and Nyasaland
- Fiji (to 9 Oct 1970)
- Gambia, Colony and Protectorate of (to 17 Feb 1965)
- Gan Island (to 29 Mar 1976)
- Gibraltar (continuing)
- Gilbert and Ellice Islands, later Kiribati and Tuvalu (to 11 Jul 1979)
- Gold Coast Colony, Ashanti and protectorate, later Ghana (to 5 Mar 1957)
- Grenada (to 21 Feb 1967)
- Heard and McDonald Islands (to 31 Dec 1948)
- Hong Kong (to 30 Jun 1997)
- India: independent India, Pakistan or British India (to 31 Dec 1948)
- Isle of Man (continuing)
- Jamaica (to 5 Aug 1962)
- Kenya, Colony and Protectorate of (to 11 Dec 1963)
- Kuria Muria Islands (to 29 Nov 1967)
- Labuan, later part of Malaysia (to 14 Jul 1946)
- Lawas River, later part of Malaysia (to 15 Sep 1963)
- Leeward Islands (to 1 Jan 1960)
- Line Islands (to 11 Jul 1979)
- Malacca, later part of Malaysia (to 30 Aug 1957)
- Malaya, later Malaysia (Malay States, Penang, Malacca, Labuan, Dindings, Province Wellesley) (to 30 Aug 1957)
- Malta (to 20 Sep 1964)
- Mantanani Islands (to 15 Sep 1963)
- Mauritius (to 11 Mar 1968)
- Montserrat (continuing)
- Nigeria, Colony and Protectorate of (to 30 Sep 1960)
- Norfolk Island (to 31 Dec 1948)
- Northern Rhodesia, later Zambia (to 23 Oct 1964)
- Northern Territories – part of Gold Coast (to 5 Mar 1957)
- Nyasaland Protectorate, later Malawi (to 5 Jul 1964)
- Pakistan, British India or independent India (to 31 Dec 1948)
- Papua, later part of Papua New Guinea (to 31 Dec 1948)
- Penang Island, later part of Malaysia (to 30 Aug 1957)
- Perim Island (to 29 Nov 1967)
- Phoenix Islands (to 17 Mar 1937)
- Pitcairn and dependencies Ducie Island, Henderson Island, Oeno Island (continuing)
- Prince Edward Islands (to 3 Jan 1948)
- Ross Dependency (to 31 Dec 1948)
- Sabah, British North Borneo, later part of Malaysia (to 15 Sep 1963)
- Saint Helena and its dependencies Gough Island, Inaccessible Island, Nightingale Island and Tristan da Cunha (continuing)
- Sarawak, later part of Malaysia (to 15 Sep 1963)
- Seychelles (to 28 Jun 1976)
- Sierra Leone, Colony and Protectorate of (to 26 Apr 1961)
- Singapore (to 2 Jun 1959)
- Somaliland, State of – formerly British Somaliland (to 26 Jun 1960)
- South Arabia, Protectorate of, later part of Yemen (to 29 Nov 1967)
- South Georgia and the South Sandwich Islands (continuing)
- South Sandwich Islands (to 31 Aug 1908)
- Southern Nigeria, Colony of (to 30 Sep 1960)
- Southern Rhodesia, later Zimbabwe (to 31 Dec 1948)
- St. Christopher and Nevis (to 26 Feb 1967)
- St. Lucia (to 28 Feb 1967)
- St. Vincent (to 26 Oct 1969)
- Straits Settlements, later part of Malaysia or Singapore (to 31 Mar 1946)
- Swaziland (to 6 Sep 1968)
- Tanganyika Territory, later Tanzania (to 8 Dec 1961)
- Togoland, British (to 5 Mar 1957)
- Tokelau Islands (to 12 Sep 1948)
- Trinidad and Tobago (to 30 Aug 1962)
- Turks and Caicos Islands (continuing)
- Uganda, Protectorate of (to 8 Oct 1962)
- Virgin Islands, British (continuing)
- Washington Island (to 18 May 1916)
- Wei-Hai-Wei (Weihai Garrison or Port Edward), later Weihei China (to 30 Sep 1930)
- West Indies Federation (to 31 May 1962)
- Windward Islands (to 1 Jan 1960)
- Zanzibar (Sultanate), later part of Kenya and Tanzania (to 9 Dec 1963)
The birth, registration, naturalisation or other event must have taken place by the date specified in “( )”
You may have a right to a British Passport
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