| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2027 | 4,264,381 | 4,913,221 | 9,177,602 | ||
| Bulgaria | 2027 | 3,200,551 | 3,377,174 | 6,577,725 | ||
| Czechia | 2027 | 5,220,814 | 5,369,151 | 10,589,965 | ||
| Hungary | 2027 | 4,515,368 | 4,947,963 | 9,463,331 | ||
| Slovakia | 2027 | 2,586,432 | 2,750,551 | 5,336,983 | ||
| Moldova | 2027 | 1,509,822 | 1,561,958 | 3,071,780 | ||
| Poland | 2027 | 17,945,869 | 19,231,107 | 37,176,976 | ||
| Romania | 2027 | 9,964,295 | 10,557,554 | 20,521,849 | ||
| Russia | 2027 | 63,802,301 | 74,370,983 | 138,173,284 | ||
| Ukraine | 2027 | 19,511,706 | 22,547,421 | 42,059,127 |