| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2040 | 4,041,290 | 4,647,639 | 8,688,929 | ||
| Bulgaria | 2040 | 2,900,263 | 3,048,071 | 5,948,334 | ||
| Czechia | 2040 | 5,113,044 | 5,224,958 | 10,338,002 | ||
| Hungary | 2040 | 4,262,361 | 4,644,356 | 8,906,717 | ||
| Slovakia | 2040 | 2,457,603 | 2,623,524 | 5,081,127 | ||
| Moldova | 2040 | 1,279,929 | 1,304,485 | 2,584,414 | ||
| Poland | 2040 | 16,716,645 | 18,022,821 | 34,739,466 | ||
| Romania | 2040 | 9,277,019 | 9,880,464 | 19,157,483 | ||
| Russia | 2040 | 61,602,719 | 71,616,003 | 133,218,722 | ||
| Ukraine | 2040 | 18,217,920 | 20,846,071 | 39,063,991 |