| Years | Leader | % Correct |
|---|---|---|
| 1924–1953 | Joseph Stalin | 99%
|
| 1917–1924 | Vladimir Lenin | 97%
|
| 1985–1991 | Mikhail Gorbachev | 80%
|
| 1953–1964 | Nikita Khrushchev | 65%
|
| 1964–1982 | Leonid Brezhnev | 51%
|
| 1982–1984 | Yuri Andropov | 28%
|
| 1984–1985 | Konstantin Chernenko | 17%
|