Russian Soviet Federative Socialist Republic Russian SFSR
Japan Karafuto Prefecture [1945]
Russia Russian Federation
Ukraine Ukraine
Belarus Republic of Belarus
Estonia Republic of Estonia
Latvia Republic of Latvia
Lithuania Republic of Lithuania
Moldova Republic of Moldova
Armenia Republic of Armenia
Azerbaijan Republic of Azerbaijan
Georgia (country) Georgia
Kazakhstan Republic of Kazakhstan
Kyrgyzstan Kyrgyz Republic
Tajikistan Republic of Tajikistan
Uzbekistan Republic of Uzbekistan
Turkmenistan Turkmenistan

Treaties concluded or ratified by the  Soviet Union (1922–91). At international law, the Russian Federation was recognised as the successor state to the Soviet Union, so unless denounced, a treaty ratified by the Soviet Union remains in force for Russia.