| 2000 | 2005 | 2010 | 2011 | 2012 | |
|---|---|---|---|---|---|
| Riga | 11 800 | 20 300 | 22 300 | 23 900 | 26 300 |
| Pieriga | 5 500 | 8 500 | 10 500 | 12 200 | 12 900 |
| Kurzeme | 6 200 | 10 600 | 10 600 | 12 900 | 12 800 |
| Zemgale | 4 400 | 7 100 | 9 000 | 9 900 | 10 900 |
| Vidzeme | 4 300 | 7 200 | 8 800 | 9 500 | 9 700 |
| Latgale | 3 500 | 5 700 | 7 200 | 8 500 | 9 200 |