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รัฐสมาชิกสหประชาชาติที่ไม่เคยเป็นสมาชิกของคณะมนตรีความมั่นคงแห่งสหประชาชาติจนถึงเดือนมกราคม 2560

Indicates former United Nations member

UN Member state	Regional Group	Security Council membership as part of another entity
อัฟกานิสถาน	Asia-Pacific
แอลเบเนีย	E. European
อันดอร์รา	WEOG
แอนติกาและบาร์บูดา	GRULAC	Was a colony of the United Kingdom from 1632 to 1 November 1980
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, and was occupied by Japan from 1941 to 1945
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
เอสโตเนีย	E. European	Was part of the Soviet Union from 1944 to 20 August 1991
เอสวาตีนี	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
เกรเนดา	GRULAC	Was a colony of the United Kingdom from 1763 to 7 February 1974
เฮติ	GRULAC
ไอซ์แลนด์	WEOG
อิสราเอล	None / WEOG[lower-alpha 2]	Part of a League of Nations mandate under United Kingdom administration from 25 April 1920 to 14 May 1948
คิริบาส	Asian / None[lower-alpha 3]	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	Was part of the Soviet Union from 5 August 1940 to 21 August 1991
เลโซโท	African	Was a colony of the United Kingdom from 1884 to 4 October 1966
ลิกเตนสไตน์	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 League of Nations South Pacific Mandate under Japanese administration from 28 June 1919 to 17 July 1947, then 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
ไมโครนีเซีย	Asia-Pacific	Was part of the League of Nations South Pacific Mandate under Japanese administration from 28 June 1919 to 17 July 1947, then 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[lower-alpha 4]
โมซัมบิก	African	Mozambique was a colony of Portugal from 1498 to 25 June 1975, but Portugal's first term on the UNSC was in 1979
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
นอร์ทมาซิโดเนีย	E. European	Was part of Yugoslavia from 29 November 1943 to 3 April 1993
ปาเลา	Asia-Pacific	Was part of the League of Nations South Pacific Mandate under Japanese administration from 28 June 1919 to 17 July 1947, then 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
เซนต์วินเซนต์และเกรนาดีนส์	GRULAC	Was a colony of the United Kingdom from 1783 to 27 October 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
เซาตูเมและปรินซีปี	African	São Tomé and Príncipe was a colony of Portugal from 1471 to 12 July 1975, but Portugal's first term on the UNSC was in 1979
ซาอุดีอาระเบีย	Asia-Pacific	Saudi Arabia was elected in the 2013 election, but declined the seat.[22]
เซอร์เบีย	E. European	Was part of Yugoslavia from 31 January 1946 to 27 April 1992[lower-alpha 5]
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
เซาท์ซูดาน	African	Was part of Sudan from the country's independence from the United Kingdom and Egypt on 1 January 1956 to 9 July 2011
ซูรินาม	GRULAC	Was a colony of the Netherlands from 1667 to 25 November 1975
สวิตเซอร์แลนด์	WEOG
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	During the existence of the United Nations, Timor Leste has been a colony of Portugal (until 28 November 1975) and occupied by Indonesia (until 1999); Indonesia was a Security Council member in 1995-6.
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
วานูอาตู	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.