| # | Name | Parties | Matches |
|---|---|---|---|
| CLEA | 5 | 5 | |
| World Values Survey | 6 | 6 | |
| Janda (1980) | 1 | 1 | |
| PolCon | 4 | 4 | |
| CHISOLS | 3 | 3 | |
| Afrobarometer (2016) | 3 | 3 | |
| DPI | 7 | 7 | |
| Wikipedia | 23 | 23 | |
| Elections Global | 8 | 8 | |
| V-Party | 13 | 13 | |
| GPS 2019 | 6 | 6 | |
| WhoGov | 10 | 10 | |
| Leaders Global | 8 | 8 | |
| ARPD | 4 | 4 | |
| Wikipedia tags | 16 | 16 |