| # | Name | Parties | Matches |
|---|---|---|---|
| Manifesto Project | 41 | 41 | |
| Wikipedia | 65 | 65 | |
| CHES | 11 | 11 | |
| CLEA | 17 | 17 | |
| CHISOLS | 7 | 7 | |
| DPI | 6 | 6 | |
| ESS prtc* | 25 | 25 | |
| ESS prtv* | 13 | 13 | |
| Kitschelt (2013) | 7 | 7 | |
| PolCon | 19 | 19 | |
| PPMD (2006) | 5 | 5 | |
| World Values Survey | 11 | 11 | |
| CSES | 8 | 8 | |
| EPAC (2018) | 20 | 20 | |
| Jennings / Wlezien | 6 | 6 | |
| Mudde (2007) | 4 | 4 | |
| Parties-PostYug | 29 | 29 | |
| TAP | 3 | 3 |