| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2001 | 4,635,207 | 5,272,380 | 9,907,587 | ||
| Bulgaria | 2001 | 3,814,045 | 3,962,984 | 7,777,029 | ||
| Czechia | 2001 | 4,941,326 | 5,218,475 | 10,159,801 | ||
| Hungary | 2001 | 4,782,469 | 5,250,779 | 10,033,248 | ||
| Slovakia | 2001 | 2,598,573 | 2,751,144 | 5,349,717 | ||
| Moldova | 2001 | 1,963,621 | 2,129,460 | 4,093,081 | ||
| Poland | 2001 | 18,581,862 | 19,691,179 | 38,273,041 | ||
| Romania | 2001 | 10,836,540 | 11,355,335 | 22,191,875 | ||
| Russia | 2001 | 67,612,897 | 77,448,782 | 145,061,679 | ||
| Ukraine | 2001 | 22,262,733 | 25,882,720 | 48,145,453 |