Newest Countries 2026

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June 3, 2006

9 Sep 1991

9 July 2011

9 Apr 1991

8 Sep 1991

Country
Year Founded
Newest Countries Admitted to UN (year)
Details of Origin
Montenegro Flag
MontenegroJune 3, 200628-06-2006Seceded from Yugoslavia, later split from Serbia and Montenegro
Tajikistan Flag
Tajikistan9 Sep 199102-03-1992Seceded from USSR
South Sudan Flag
South Sudan9 July 201114-07-2011Split from Sudan
Georgia Flag
Georgia9 Apr 199131-07-1992Seceded from USSR
North Macedonia Flag
North Macedonia8 Sep 199108-04-1993Seceded from Yugoslavia
Croatia Flag
Croatia8 Oct 199122-05-1992Seceded from Yugoslavia
Latvia Flag
Latvia4 May 199017-09-1991Seceded from USSR
Kyrgyzstan Flag
Kyrgyzstan31 Aug 199102-03-1992Seceded from USSR
Vanuatu Flag
Vanuatu30 July 198015-09-1981Became independent from France and the United Kingdom
Azerbaijan Flag
Azerbaijan30 Aug 199102-03-1992Seceded from USSR
Micronesia Flag
Micronesia3 Nov 198617-09-1991Graduated from UN trust
Bosnia and Herzegovina Flag
Bosnia and Herzegovina3 Mar 199222-05-1992Seceded from Yugoslavia
Serbia Flag
Serbia3 June 200601-11-2000Seceded from Yugoslavia, later split from Serbia and Montenegro
Turkmenistan Flag
Turkmenistan27 Oct 199102-03-1992Seceded from USSR
Moldova Flag
Moldova27 Aug 199102-03-1992Seceded from USSR
Russia Flag
Russia26 December 199124-10-1945Remainder of U.S.S.R, continuing UN membership from 1945
Slovenia Flag
Slovenia25 June 199122-05-1992Seceded from Yugoslavia
Belarus Flag
Belarus25 Aug 199124-10-1945Joined U.N. separately from USSR in 1945, seceded from USSR 1991
Eritrea Flag
Eritrea24 May 199328-05-1993Split from Ethiopia
Ukraine Flag
Ukraine24 August 199124-10-1945Joined U.N. separately from USSR in 1945, seceded from USSR 1991
Armenia Flag
Armenia23 Sep 199102-03-1992Seceded from USSR
Yemen Flag
Yemen22 May 199030-09-1947The current unified Yemen was formed in 1990 by the merger of North Yemen and South Yemen, continuing UN membership since North Yemen’s original admission in 1947.
Belize Flag
Belize21 Sep 198125-09-1981Became independent from the United Kingdom
Marshall Islands Flag
Marshall Islands21 Oct 198617-09-1991Fostered by United States
Namibia Flag
Namibia21 Mar 199023-04-1990Rebelled against South Africa
Timor-Leste Flag
Timor-Leste20 May 200227-09-2002Rebelled against Indonesia
Estonia Flag
Estonia20 Aug 199117-09-1991Seceded from USSR
Saint Kitts and Nevis Flag
Saint Kitts and Nevis19 Sep 198323-09-1983Became independent from the United Kingdom
Kazakhstan Flag
Kazakhstan16 Dec 199102-03-1992Seceded from USSR
Palestine Flag
Palestine15 Nov 1988Non-member observer state (since 2012)Sovereignty disputed by Israel | Recognized by ~138 UN member states
Germany Flag
Germany15 Mar 199118-09-1973Became unified in 1990 by merging West Germany and East Germany, continuing UN membership from 1973
Lithuania Flag
Lithuania11 Mar 199017-09-1991Seceded from USSR
Uzbekistan Flag
Uzbekistan1 Sep 199102-03-1992Seceded from USSR
Palau Flag
Palau1 Oct 199415-12-1994Graduated from UN trust
Antigua and Barbuda Flag
Antigua and Barbuda1 Nov 198111-11-1981Became independent from the United Kingdom
Czechia Flag
Czechia1 Jan 199319-01-1993Split from Czechoslovakia
Slovakia Flag
Slovakia1 Jan 199319-01-1993Split from Czechoslovakia
Brunei Flag
Brunei1 Jan 198421-09-1984Became independent from the United Kingdom
  • Founding dates refer to the founding of the most recent iteration of the country. For example, Germany existed before 1991, but split into East Germany and West Germany in 1949. The data in 1991 represents the date upon which German reunification was completed.
  • Two countries listed, Kosovo and Palestine, have yet to be fully recognized by the United Nations and are claimed by Serbia and Israel, respectively. However, they function largely as sovereign states.