| # | Name | Parties | Matches |
|---|---|---|---|
| Manifesto Project | 6 | 6 | |
| Wikipedia | 25 | 25 | |
| CLEA | 9 | 9 | |
| CHISOLS | 6 | 6 | |
| DPI | 13 | 13 | |
| Huber / Inglehart (1995) | 10 | 10 | |
| Kitschelt (2013) | 3 | 3 | |
| PolCon | 19 | 19 | |
| World Values Survey | 5 | 5 | |
| African Elections DB | 31 | 31 | |
| Afrobarometer (2016) | 3 | 3 | |
| CSES | 7 | 7 | |
| Global Elections DB | 4 | 4 |