Newest Countries 2021

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Population

While some nations have a very long history, others are relatively new. This is partially due to dissolution of the USSR or dependent states that became sovereign nations by gaining independence from other nations. Other nations – such as East and West Germany – united to form one nation.

Since 1990, there have been 34 new countries created. Fifteen of these nations came to be after the dissolution of the Soviet Union. The new nations that were created following the fall of the USSR in 1991 are:

The dissolution of Yugoslavia also resulted in the formation of new countries, although not as many as the 15 created after the fall of the Soviet Union. The nations that declared independence following the dissolution of Yugoslavia are:

Throughout the 1990s, more nations declared their independence. This includes:

The newest nations were formed in the 2000s. These nations are:

South Sudan is the newest nation in the world. It seceded from Sudan in 2011. Kosovo, officially the Republic of Kosovo, is a partially-recognized state. Kosovo has a territorial dispute with Serbia. It declared its independence in 2008 and, currently, 97 out of 193 UN members recognize Kosovo's independence.

Newest Countries 2021

Country Former Country Splitting Date Note 2021 Population
ArmeniaUSSR1991Became independent few months before Soviet Union collapsed2,968,127
AzerbaijanUSSR1991Became independent few months before Soviet Union collapsed10,223,342
BelarusUSSR1991Became independent few months before Soviet Union collapsed9,442,862
Bosnia And HerzegovinaYugoslaviaFebruary 29, 1992Yugoslavia dissolved in the early 1990s into five independent countries3,263,466
CroatiaYugoslaviaJune 25, 1991Yugoslavia dissolved in the early 1990s into five independent countries4,081,651
Czech RepublicCzechoslovakiaJanuary 1, 1993The Czech Republic and Slovakia became independent nations when Czechoslovakia dissolved. The peaceful separation was also known as the Velvet Divorce, after the Velvet Revolution which had led to the end of communist rule in Czechoslovakia.10,724,555
EritreaEthiopiaMay 25, 1993Eritrea, which was part of Ethiopia, seceded and gained independence. The two nations later became involved in a violent war over disputed territory. A peace agreement was reached in 2018.3,601,467
EstoniaUSSR1991Became independent few months before Soviet Union collapsed1,325,185
GeorgiaUSSR1991Became independent few months before Soviet Union collapsed3,979,765
GermanyEast Germany and West GermanyOctober 3, 1990East Germany and West Germany merged to form a unified Germany after the fall of the Iron Curtain83,900,473
KazakhstanUSSR1991Became independent few months before Soviet Union collapsed18,994,962
KyrgyzstanUSSR1991Became independent few months before Soviet Union collapsed6,628,356
LatviaUSSR1991Became independent few months before Soviet Union collapsed1,866,942
LithuaniaUSSR1991Became independent few months before Soviet Union collapsed2,689,862
Marshall IslandsUnited StatesSeptember 17, 1991The Marshall Islands was part of the Trust Territory of Pacific Islands (administered by the United States) and gained independence as a former colony59,610
MicronesiaUnited StatesSeptember 17, 1991Micronesia, previously known as the Caroline Islands, became independent from the United States116,254
MoldovaUSSR1991Became independent few months before Soviet Union collapsed4,024,019
MontenegroSerbia and MontenegroJune 3, 2006Montenegro was part of Serbia and Montenegro (also known as Yugoslavia) but gained independence after a referendum628,053
NamibiaSouth AfricaMarch 21, 1990Previously, Namibia was known as South West Africa when the latter was officially a German territory2,587,344
PalauUnited StatesOctober 1, 1994Palau was part of the Trust Territory of Pacific Islands (administered by the United States) and gained independence as a former colony.18,169
RussiaUSSR1991Became independent few months before Soviet Union collapsed145,912,025
SerbiaSerbia and MontenegroJune 5, 2006Two days later, Serbia became its own entity after Montenegro split8,697,550
SlovakiaCzechoslovakiaJanuary 1, 1993The Czech Republic and Slovakia became independent nations when Czechoslovakia dissolved. The peaceful separation was also known as the Velvet Divorce, after the Velvet Revolution which had led to the end of communist rule in Czechoslovakia.5,460,721
SloveniaYugoslaviaJune 25, 1991Yugoslavia dissolved in the early 1990s into five independent countries2,078,724
South SudanSudanJuly 9, 2011South Sudan peacefully seceded from Sudan following a January 2011 referendum. Sudan had been the site of two civil wars, and the referendum received near unanimous approval.11,381,378
TajikistanUSSR1991Became independent few months before Soviet Union collapsed9,749,627
Timor LesteIndonesiaMay 20, 2002East Timor (Timor-Leste) declared independence from Portugal in 1975 but did not become independent from Indonesia until 2002.1,343,873
TurkmenistanUSSR1991Became independent few months before Soviet Union collapsed6,117,924
UkraineUSSR1991Became independent few months before Soviet Union collapsed43,466,819
UzbekistanUSSR1991Became independent few months before Soviet Union collapsed33,935,763
YemenNorth and South YemenMay 22, 1990North and South Yemen merged to form a unified Yemen30,490,640

Newest Countries 2021