| # | Name | Parties | Matches |
|---|---|---|---|
| Wikipedia | 24 | 24 | |
| V-Party | 22 | 22 | |
| CHISOLS | 6 | 6 | |
| DPI | 11 | 11 | |
| Kitschelt (2013) | 6 | 6 | |
| PolCon | 15 | 15 | |
| World Values Survey | 10 | 10 | |
| Coppedge (1997) | 35 | 35 | |
| Elections Global | 19 | 19 | |
| Global Elections DB | 10 | 10 | |
| Janda (1980) | 3 | 3 | |
| LAEDA | 11 | 11 | |
| Latinobarometer | 20 | 20 | |
| PPLA (2009) | 10 | 10 |