| # | Name | Parties | Matches |
|---|---|---|---|
| Mudde (2007) | 7 | 7 | |
| Elections Global | 46 | 46 | |
| DPI | 23 | 23 | |
| Global Elections DB | 24 | 24 | |
| WhoGov | 25 | 25 | |
| OPAMED | 2 | 2 | |
| EU-NED | 33 | 33 | |
| PAGED | 32 | 32 | |
| ARPD | 2 | 2 | |
| Wikipedia | 64 | 64 | |
| PIP | 30 | 30 | |
| CCDD 2018 | 9 | 9 | |
| Huber / Inglehart (1995) | 7 | 7 | |
| The PopuList | 15 | 15 | |
| Leaders Global | 17 | 17 | |
| CSES-IMD | 21 | 21 | |
| ESS prtv* | 31 | 31 | |
| Manifesto Project | 41 | 41 | |
| PPMD (all) | 10 | 10 | |
| GPD | 4 | 4 | |
| GPS 2019 | 4 | 4 | |
| ESS prtc* | 34 | 34 | |
| TAESD | 13 | 13 | |
| PPEPE (2021) | 4 | 4 | |
| Kitschelt (2013) | 6 | 6 | |
| POPPA | 8 | 8 | |
| EJPR PDY | 36 | 36 | |
| V-Party | 52 | 52 | |
| EPAC (2018) | 8 | 8 | |
| KUREP (2012) | 6 | 6 | |
| PPDB (2017) | 6 | 6 | |
| euandi (GPS) | 8 | 8 | |
| EES 2014 | 5 | 5 | |
| CLEA | 33 | 33 | |
| PolCon | 21 | 21 | |
| Poll of Polls | 24 | 24 | |
| TAP | 10 | 10 | |
| Jennings / Wlezien | 5 | 5 | |
| ERDDA (2013) | 22 | 22 | |
| PPMD (2006) | 10 | 10 | |
| World Values Survey | 8 | 8 | |
| ParlGov | 49 | 49 | |
| MAPP | 12 | 12 | |
| Wikipedia tags | 53 | 53 | |
| CHISOLS | 6 | 6 | |
| CHES | 21 | 21 |