USSR nationality redistribution by republic, 1979-1989: from published results of the 1989 all-Union census

"An additional report on the results of the 1989 population census...describes changes in the ethnic composition of Soviet republics and other major regions (e.g., Siberia), as well as changes in the spatial distribution of the country's major ethnic groups. Data from the major 1989 Goskomstat source publication are refined and supplemented by information from more recent sources. Coverage is in a format similar to the reported ethnic results of the 1979 population census...to facilitate comparability."