| Region | Capital/Center | ISO Code | # Municipalities | Area [km2] | Population 2011 | Population 2021 | Population 2026 (Est.) |
|---|---|---|---|---|---|---|---|
| Riga | Riga | LV-RIX | 1 | 304 | 658640 | 614610 | 602100 |
| Pierīga | Riga (surroundings) | LV-PIE | 9 | 10135 | 371431 | 385733 | 394200 |
| Vidzeme | Valmiera | LV-VID | 10 | 15245 | 211309 | 185556 | 178400 |
| Kurzeme | Kuldīga | LV-KUR | 8 | 13606 | 270498 | 237341 | 228600 |
| Zemgale | Jelgava | LV-ZEM | 6 | 10732 | 254461 | 227152 | 219300 |
| Latgale | Daugavpils | LV-LAT | 9 | 14547 | 304032 | 250535 | 235900 |