Soviet census
The following is a summary of censuses carried out in the Soviet Union:
| Year | Territory | Total population | Rank | Density per km2 | Change | Urban population | Share | Males | Share | Females | Share | Largest city | Second largest city | Third largest city | Ethnic Russians | Share | Ethnic minorities | Notes |
| 1926 | 21 176 187 | 147 027 915 | 3rd | 6.94 | 7.5% | 26 314 114 | 71 043 352 | 75 984 563 | Moscow | Leningrad | Kiev | 77 791 124 | ||||||
| 1937 | 21 176 187 | 162 039 470 | 3rd | 7.65 | 10.2% | 43 729 514 | 27.0% | 75 789 892 | 46.8% | 84 331 656 | 53.2% | Moscow | Leningrad | 93 933 065 | 58.0% | |||
| 1939 | 21 176 187 | 170 557 093 | 4th | 8.05 | 5.3% | 56 125 139 | 32.9% | 81 694 889 | 48.0% | 88 862 204 | 52.0% | Moscow | Leningrad | Kiev | 99 591 520 | 58.4% | ||
| 1959 | 22 402 200 | 208 826 650 | 3rd | 9.32 | 22.4% | 99 977 695 | 47.9% | 94 050 303 | 45.0% | 114 776 347 | 55.0% | Moscow | Leningrad | Kiev | 114 113 579 | 54.6% | ||
| 1970 | 22 402 200 | 241 720 134 | 3rd | 10.79 | 15.7% | 135 991 514 | 56.2% | 111 399 377 | 46.1% | 130 320 757 | 53.9% | Moscow | Leningrad | Kiev | 129 015 140 | 53.4% | ||
| 1979 | 22 402 200 | 262 436 227 | 3rd | 11.71 | 8.6% | 163 585 944 | 62.3% | 122 328 833 | 46.6% | 140 107 394 | 53.4% | Moscow | Leningrad | Kiev | 137 397 089 | 52.3% | ||
| 1989 | 22 402 200 | 286 730 817 | 3rd | 12.80 | 9.3% | 188 813 355 | 65.8% | 135 360 790 | 47.2% | 151 370 027 | 52.8% | Moscow | Leningrad | Kiev | 145 155 489 | 50.6% |