Regional summary
| Constituency | 2000 | 2004 | 2008 | 2012 | 2016 |
|---|---|---|---|---|---|
| Ahafo Region | 2 | 1 | 1 | ||
| Ashanti Region | 1 | 3 | 1 | ||
| Bono Region | 2 | 1 | |||
| Bono East Region | 1 | 1 | 1 | 1 | 1 |
| Central Region | 3 | 1 | 1 | 4 | 5 |
| Eastern Region | 2 | 1 | 1 | 2 | 1 |
| Greater Accra Region | 1 | 3 | 1 | 3 | 3 |
| North East Region | 1 | 2 | 1 | 1 | |
| Northern Region | 1 | 3 | 3 | 4 | |
| Oti Region | 1 | 1 | 1 | 1 | 1 |
| Savannah Region | 2 | 2 | 1 | ||
| Upper East Region | 2 | 3 | 4 | 3 | 3 |
| Upper West Region | 2 | 3 | 1 | 3 | |
| Volta Region | 1 | ||||
| Western Region | 5 | 3 | 2 | 2 | 2 |
| Western North Region | 2 | 1 | 1 | 2 | |
| Total | 20 | 24 | 19 | 28 | 30 |