| population | |
| Central Province | 2558716 |
| Eastern Province | 1500000 |
| North Central Province | 1259567 |
| population | |
| North Western Province | 2370075 |
| Northern Province | 1058762 |
| Province of Uva | 1259800 |
| population | |
| Sabaragamuwa Province | 1918880 |
| Southern Province | 2464732 |
| Western Province | 5821710 |
