The 1939 Soviet census (Russian: Всесоюзная перепись населения 1939, romanized: Vsesoyuznaya perepis naseleniya 1939, lit.
[5] It form contained sixteen questions and was printed in twenty-two languages, as well as providing, for the first and only time, a way to count both convicted criminals and political detainees.
While follow-up checks and several other new tabulation methods were instituted, forms were not issued to keep track of double counting.
have claimed that all the issues with fudged numbers and mistakes discredit the census as a reliable source.
[1] The 5 largest nationalities in the USSR were found to be Russians, Ukrainians, Belarusians, Uzbeks, and Tatars.