Russia
(upgraded to fully Communist)
|
1917 |
White Russia
(upgraded to partly Communist)
|
1917 |
Estonia
(upgraded to partly Communist)
|
1917 |
Poland
(upgraded to partly Communist)
|
1918 |
Georgia
(upgraded to partly Communist)
|
1918 |
Armenia
(upgraded to partly Communist)
|
1918 |
Germany
(upgraded to partly Communist)
|
1918 |
Transcaspia (Turkmenistan)
(upgraded to partly Communist)
|
1918 |
Turkestan (Uzbekistan & Tajikistan)
(upgraded to fully Communist)
|
1918 |
|
Kara-Kyrgyz (Kyrgyzstan)
(upgraded to fully Communist)
|
1918 |
Mongolia
(upgraded to partly Communist)
|
1918 |
Hungary
(upgraded to fully Communist 1919; downgraded to officially non-Communist)
|
1919 |
Denmark
(upgraded to fully Communist 1919; downgraded to officially non-Communist)
|
1919 |
Czechoslovakia
(upgraded to partly Communist 1919; downgraded to officially non-Communist)
|
1919 |
Afghanistan
(upgraded to partly Communist)
|
1919 |
Kyrgyz (Kazakhstan)
(upgraded to fully Communist)
|
1920 |
|
Ukraine
(upgraded to fully Communist)
|
1920 |
Lithuania
(upgraded to partly Communist 1918; downgraded to officially non-Communist)
|
1920 |
Latvia
(upgraded to partly Communist 1918; downgraded to officially non-Communist)
|
1920 |
Finland
(upgraded to partly Communist 1918; downgraded to officially non-Communist)
|
1920 |
Azerbaijan
(upgraded to fully Communist)
|
1920 |
Persia
(upgraded to partly Communist)
|
1920 |
China
(upgraded to partly Communist)
|
1920 |
|
|
Nations under essential or full Communist control
Openly Communist-dominated governments, or Communist-controlled regions within the country
Nations in which Communist control remains more concealed (or insufficient information to make a determination)