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| UN Member state | Regional Group | Security Council membership as part of another entity |
| --- | --- | --- |
|  Afghanistan | Asia-Pacific |  |
|  อันดอร์รา | WEOG |  |
|  แอนทีกาและบาร์บิวดา | GRULAC | Was a colony of the United Kingdom from 1632 to 1 November 1981 |
|  อาร์มีเนีย | E. European | Was part of the Soviet Union from 29 November 1920 to 25 December 1991 |
|  บาฮามาส | GRULAC | Was a colony of the United Kingdom from 1717 to 10 July 1973 |
|  บาร์เบโดส | GRULAC | Was a colony of the United Kingdom from 1625 to 30 November 1966 |
|  เบลีซ | GRULAC | Was a colony of the United Kingdom from 1862 to 21 September 1981 |
|  ภูฏาน | Asia-Pacific |  |
|  บรูไน | Asia-Pacific | Was a protectorate of the United Kingdom from 1888 to 1984 |
|  กัมพูชา | Asia-Pacific | Was a colony of France from 1863 to 9 November 1953 |
|  สาธารณรัฐแอฟริกากลาง | African | Was a colony of France from 1894 to 13 August 1960 |
|  คอโมโรส | African | Was a colony of France from 1841 to 6 July 1975 |
|  ไซปรัส | Asia-Pacific | Was a colony of the United Kingdom from 5 November 1914 to 16 August 1960 |
|  ดอมินีกา | GRULAC | Was a colony of the United Kingdom from 1783 to 3 November 1978 |
|  เอลซัลวาดอร์ | GRULAC |  |
|  เอริเทรีย | African | Was under the administration of the United Kingdom from 1941 to 1947, then a United Nations Trust Territory from 1947 to 1952, then part of Ethiopia from 1952 to 24 May 1993 |
|  เอสวาตินี | African | Was a colony of the United Kingdom from 1902 to 6 September 1968 |
|  ฟีจี | Asia-Pacific | Was a colony of the United Kingdom from 1874 to 10 October 1970 |
|  จอร์เจีย | E. European | Was part of the Soviet Union from 25 February 1921 to 25 December 1991 |
|  กรีเนดา | GRULAC | Was a colony of the United Kingdom from 1763 to 7 February 1974 |
|  เฮติ | GRULAC |  |
|  ไอซ์แลนด์ | WEOG |  |
|  อิสราเอล | None / WEOG | Part of a League of Nations mandate under United Kingdom administration from 25 April 1920 to 14 May 1948 |
|  คิริบาส | Asian / None | Was a colony of the United Kingdom from 1892 to 12 July 1979 |
|  เกาหลีเหนือ | Asia-Pacific |  |
|  คีร์กีซสถาน | Asia-Pacific | Was part of the Soviet Union from 1 February 1926 to 25 December 1991 |
|  ลาว | Asia-Pacific | Was a colony of France from 1893 to 19 July 1949 |
|  ลัตเวีย | E. European | Part of the Soviet Union from September 1944 to 21 August 1991 |
|  เลโซโท | African | Was a colony of the United Kingdom from 1884 to 4 October 1966 |
|  ลีชเทินชไตน์ | WEOG |  |
|  มาลาวี | African | Was a colony of the United Kingdom from 1891 to 6 July 1964 |
|  มัลดีฟส์ | Asia-Pacific | Was a colony of the United Kingdom from 1887 to 26 July 1965 |
|  หมู่เกาะมาร์แชลล์ | Asia-Pacific | Was part of the United Nations Trust Territory of the Pacific Islands under the administration of the United States from 17 July 1947 to 21 October 1986 |
|  ไมโครนีเชีย | Asia-Pacific | Was part of the United Nations Trust Territory of the Pacific Islands under the administration of the United States from 17 July 1947 to 3 November 1986 |
|  มอลโดวา | E. European | Was part of the Soviet Union from 28 June 1940 to 25 December 1991 |
|  โมนาโก | WEOG |  |
|  มองโกเลีย | Asia-Pacific |  |
|  มอนเตเนโกร | E. European | Was part of Yugoslavia from 29 November 1943 to 28 April 1992 |
|  พม่า | Asia-Pacific | Was a colony of the United Kingdom from 1824 to 4 January 1948 |
|  นาอูรู | Asia-Pacific | Was a United Nations Trust Territory administered by the United Kingdom, Australia, and New Zealand from 1 January 1946 to 31 January 1968 |
|  มาซิโดเนียเหนือ | E. European | Was part of Yugoslavia from 29 November 1943 to 3 April 1993 |
|  ปาเลา | Asia-Pacific | Was part of the United Nations Trust Territory of the Pacific Islands under the administration of the United States from 17 July 1947 to 1 October 1994 |
|  ปาปัวนิวกินี | Asia-Pacific | Was administered by Australia in the case of the Territory of Papua from 1905, the Territory of New Guinea as a League of Nations mandate from 1919 and as a unified Territory of Papua and New Guinea from 1949 until 16 September 1975 |
|  เซนต์คิตส์และเนวิส | GRULAC | Was a colony of the United Kingdom from 1713 to 19 September 1983 |
|  เซนต์ลูเชีย | GRULAC | Was a colony of the United Kingdom from 1803 to 22 February 1979 |
|  ซามัว | Asia-Pacific | Was a League of Nations mandate under the administration of New Zealand from 17 December 1920 to 25 January 1947, then a United Nations Trust Territory under the administration of New Zealand from 25 January 1947 to 1 January 1962 |
|  ซานมารีโน | WEOG |  |
|  เซาตูแมอีปริงซีป | African | Was a colony of Portugal until 12 July 1975 |
|  ซาอุดีอาระเบีย | Asia-Pacific | Saudi Arabia was elected in the 2013 election, but declined the seat. |
|  เซอร์เบีย | E. European | Was part of Yugoslavia from 31 January 1946 to 27 April 1992 |
|  FR Yugoslavia / Serbia and Montenegro | E. European | Was part of Yugoslavia from 29 November 1943 to 27 April 1992 |
|  เซเชลส์ | African | Was a colony of the United Kingdom from 1801 to 29 June 1976 |
|  หมู่เกาะโซโลมอน | Asia-Pacific | Was a colony of the United Kingdom from 1893 to 7 July 1978 |
|  ซูดานใต้ | African | Was part of Anglo-Egyptian Sudan, a condominium of the United Kingdom and Egypt until 1 January 1956, then part of Sudan from 1 January 1956 to 9 July 2011 |
|  ซูรินาม | GRULAC | Was a colony of the Netherlands from 1667 to 25 November 1975 |
|  ทาจิกิสถาน | Asia-Pacific | Was part of the Soviet Union from 14 October 1924 to 25 December 1991 |
|  แทนกันยีกา | Commonwealth Seat | Was a League of Nations mandate under the administration of the United Kingdom from 20 July 1922 to 11 December 1946, then a United Nations Trust Territory under the administration of the United Kingdom until 9 December 1962, then independent until federation with Zanzibar to form Tanzania |
|  ติมอร์-เลสเต | Asia-Pacific | Was occupied by Indonesia from 7 December 1975 to 31 October 1999 |
|  ตองงา | Asia-Pacific | Was a protectorate of the United Kingdom from 18 May 1900 to 4 June 1970 |
|  เติร์กเมนิสถาน | Asia-Pacific | Was part of the Soviet Union from 13 May 1925 to 8 December 1991 |
|  ตูวาลู | Asia-Pacific | Was a colony of the United Kingdom from 1892 to 1 October 1978 |
|  อุซเบกิสถาน | Asia-Pacific | Was part of the Soviet Union from 13 May 1925 to 25 December 1991 |
|  วานูวาตู | Asia-Pacific | Was a Condominium under joint sovereignty of the United Kingdom and France from 1906 to 30 July 1980 |
|  แซนซิบาร์ | Commonwealth Seat | Was a colony of the United Kingdom from 27 August 1896 to 10 December 1963, then independent until federation with Tanganyika to form Tanzania on 26 April 1964. |