|Союз Советских Социалистических Республик|
Soyuz Sovetskikh Sotsialisticheskikh Respublik
Ìsọ̀kan àwọn Orílẹ̀-èdè Olómìnira Sófíẹ́tì Sósíálístì
Union of Soviet Socialist Republics
|Flag||Coat of arms|
Пролетарии всех стран, соединяйтесь!
(Translit.: Proletarii vsekh stran, soyedinyaytes'!)
English: Workers of the world, unite!
The Internationale (1922–1944)
Hymn of the Soviet Union (1944–1991)
|The Soviet Union after World War II|
|Language(s)||Russian, many others|
|Government||Federal socialist republic, Single-party communist state|
| - 1922–1953 (first)||Joseph Stalin|
| - 1985–1991 (last)||Mikhail Gorbachev|
| - 1923–1924 (first)||Vladimir Lenin|
| - 1991 (last)||Ivan Silayev|
| - Established||December 30, 1922|
| - Disestablished||December 26, 19911|
| - 1991||22,402,200 km2 (8,649,538 sq mi)|
| - 1991 est.||293,047,571 |
| Density||13.1 /km2 (33.9 /sq mi)|
|Currency||Soviet ruble (SUR)|
|Internet TLD ||.su2|
|Calling code ||+7|
|1On December 21, 1991, eleven of the former socialist republics declared in Alma-Ata (with the twelfth republic – Georgia – attending as an observer) that with the formation of the Commonwealth of Independent States the Union of Soviet Socialist Republics ceases to exist.|
2Assigned on September 19, 1990, existing onwards.
3The governments of Estonia, Latvia, and Lithuania view themselves as continuous and unrelated to the respective Soviet republics.
Russia views the Estonian, Latvian, and Lithuanian SSRs as legal constituent republics of the USSR and predecessors of the modern Baltic states.
The Government of the United States and a number of other countries did not recognize the legal inclusion of Estonia, Latvia, and Lithuania in the USSR.