| # | Name | Parties | Matches |
|---|---|---|---|
| Wikipedia | 20 | 20 | |
| CLEA | 22 | 22 | |
| V-Party | 13 | 13 | |
| CHISOLS | 3 | 3 | |
| DPI | 15 | 15 | |
| Kitschelt (2013) | 7 | 7 | |
| PolCon | 8 | 8 | |
| World Values Survey | 3 | 3 | |
| Coppedge (1997) | 21 | 21 | |
| Elections Global | 12 | 12 | |
| Global Elections DB | 6 | 6 | |
| LAEDA | 7 | 7 | |
| Latinobarometer | 18 | 18 | |
| PPLA (2009) | 12 | 12 |