^The first census in Russian history. The first and only census of the Russian Empire. The overall territory of the Empire comprised est. 22 440 000 km2, but the 1897 census excluded the Grand Duchy of Finland except the capital city Gelsingfors (now Helsinki). Along with the numbers presented, the census also shows 13,276 of Finland's Russian population, 13,158 abroad travelling on warships, 10,308 of the Russian population in the Protectorate of Bukhara and 3,919 in the Khanate of Khiva. Ukrainians labeled as Little Russians. Turks include the turkic peoples of Russia, i.e. Tatars, Bashkirs, Kazakhs, Turkmens, Azerbaijanis, Crimean Tatars, etc.
^Initially set to take place in 1933, but was delayed multiple times due to Joseph Stalin's policies of collectivization, forced famine and political repression which lowered the population drastically. The only one-day census in the Russian history. Proclaimed defective by the Soviet government in September 1937.
^Took place instead of the "defective" 1937 census.
^The population increased markedly as a result of the Soviet Union's territorial expansion by World War II.
^The first census after the breakup of the USSR indicating a marked decline after the demographic crisis of the early 1990s. Compared to the population of the Soviet Union as of 1989, Russia lost 49.4% of the population, including approximately 30 million ethnic Russians.
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