| Country | Year | |||||
|---|---|---|---|---|---|---|
| Belarus | 2025 | 4,296,035 | 4,949,064 | 9,245,099 | ||
| Bulgaria | 2025 | 3,248,537 | 3,426,541 | 6,675,078 | ||
| Czechia | 2025 | 5,228,060 | 5,380,947 | 10,609,007 | ||
| Hungary | 2025 | 4,547,421 | 4,986,281 | 9,533,702 | ||
| Slovakia | 2025 | 2,598,301 | 2,761,467 | 5,359,768 | ||
| Moldova | 2025 | 1,544,374 | 1,602,307 | 3,146,681 | ||
| Poland | 2025 | 18,087,492 | 19,360,319 | 37,447,811 | ||
| Romania | 2025 | 10,056,879 | 10,648,796 | 20,705,675 | ||
| Russia | 2025 | 64,145,623 | 74,744,858 | 138,890,481 | ||
| Ukraine | 2025 | 19,711,324 | 22,804,097 | 42,515,421 |