| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | |
|---|---|---|---|---|---|---|---|---|
| Vidzeme | 15.347 | 15.347 | 15.258 | 15.246 | 15.245 | 15.245 | 15.245 | 15.245 |
| Latgale | 14.547 | 14.547 | 14.547 | 14.549 | 14.550 | 14.550 | 14.550 | 14.550 |
| Kurzeme | 13.601 | 13.601 | 13.601 | 13.596 | 13.597 | 13.597 | 13.607 | 13.607 |
| Zemgale | 10.742 | 10.742 | 10.742 | 10.733 | 10.733 | 10.733 | 10.732 | 10.732 |
| Pieriga | 10.045 | 10.045 | 10.134 | 10.132 | 10.133 | 10.133 | 10.135 | 10.135 |
| Riga | 307 | 307 | 307 | 303 | 304 | 304 | 304 | 304 |