| 2012 | |
|---|---|
| Demerara-Mahaica | 159 375 |
| East Berbice-Corentyne | 54 689 |
| Essequibo Islands-West Demerara | 53 991 |
| Mahaica-Berbice | 24 987 |
| Pomeroon-Supenaam | 23 256 |
| Upper Demerara-Berbice | 20 201 |
| Barima-Waini | 13 193 |
| Upper Takutu-Upper Essequibo | 11 759 |
| Cuyuni-Mazaruni | 8 654 |
| Potaro-Siparuni | 5 045 |