Population
Population in thousands
| Country | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bulgaria | 8363 |
8312 |
8257 |
8211 |
8170 |
7910 |
7869 |
7824 |
7760 |
7740 |
7699 |
7660 |
7624 |
7586 |
7535 |
| Croatia | 4494 |
4572 |
4501 |
4554 |
4381 |
4437 |
4443 |
4442 |
4444 |
4443 |
4442 |
4439 |
4436 |
4432 |
4429 |
| Czech R | 10315 |
10304 |
10295 |
10283 |
10272 |
10224 |
10201 |
10202 |
10231 |
10236 |
10269 |
10334 |
10425 |
10490 |
10523 |
| Estonia | 1416 |
1400 |
1386 |
1376 |
1370 |
1364 |
1359 |
1354 |
1348 |
1347 |
1344 |
1342 |
1341 |
1340 |
1340 |
| Hungary | 10193 |
10155 |
10114 |
10068 |
10024 |
10188 |
10159 |
10130 |
10097 |
10088 |
10072 |
10056 |
10038 |
10023 |
10000 |
| Latvia | 2457 |
2434 |
2410 |
2390 |
2373 |
2355 |
2338 |
2325 |
2312 |
2301 |
2288 |
2276 |
2266 |
2255 |
2239 |
| Lithuania | 3602 |
3575 |
3549 |
3524 |
3499 |
3481 |
3469 |
3454 |
3425 |
3414 |
3394 |
3376 |
3358 |
3340 |
3287 |
| Poland | 38618 |
38650 |
38666 |
38654 |
38256 |
38251 |
38232 |
38205 |
38174 |
38166 |
38141 |
38121 |
38126 |
38151 |
38185 |
| Romania | 22608 |
22546 |
22503 |
22458 |
22435 |
22408 |
21795 |
21734 |
21642 |
21634 |
21588 |
21547 |
21514 |
21483 |
21448 |
| Russia | 147 739 |
147 105 |
146 539 |
145 943 |
145 559 |
143 954 |
145 167 |
144 566 |
143 461 |
143 114 |
142 488 |
142 115 |
141 957 |
141 909 |
142 938 |
| Slovakia | 5374 |
5383 |
5391 |
5395 |
5400 |
5379 |
5379 |
5380 |
5385 |
5387 |
5392 |
5398 |
5407 |
5419 |
5430 |
| Slovenia | 1991 |
1987 |
1983 |
1986 |
1990 |
1992 |
1996 |
1997 |
2000 |
2001 |
2007 |
2010 |
2021 |
2040 |
2049 |
| Ukraine | 51058 |
50595 |
50145 |
49674 |
49177 |
48690 |
48230 |
47813 |
47451 |
47105 |
46788 |
46510 |
46259 |
46053 |
45870 |