| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2028 | 4,247,753 | 4,894,416 | 9,142,169 | ||
| Bulgaria | 2028 | 3,176,501 | 3,352,063 | 6,528,564 | ||
| Czechia | 2028 | 5,215,147 | 5,361,280 | 10,576,427 | ||
| Hungary | 2028 | 4,498,383 | 4,927,734 | 9,426,117 | ||
| Slovakia | 2028 | 2,579,381 | 2,743,982 | 5,323,363 | ||
| Moldova | 2028 | 1,492,244 | 1,541,761 | 3,034,005 | ||
| Poland | 2028 | 17,867,722 | 19,159,297 | 37,027,019 | ||
| Romania | 2028 | 9,916,204 | 10,510,180 | 20,426,384 | ||
| Russia | 2028 | 63,621,981 | 74,170,968 | 137,792,949 | ||
| Ukraine | 2028 | 19,408,150 | 22,415,669 | 41,823,819 |