| # | Name | Parties | Matches |
|---|---|---|---|
| Mudde (2007) | 3 | 3 | |
| Elections Global | 35 | 35 | |
| DPI | 21 | 21 | |
| Global Elections DB | 20 | 20 | |
| WhoGov | 18 | 18 | |
| OPAMED | 1 | 1 | |
| EU-NED | 32 | 32 | |
| PAGED | 20 | 20 | |
| ARPD | 1 | 1 | |
| ParlSpeech | 26 | 26 | |
| Wikipedia | 54 | 54 | |
| PIP | 17 | 17 | |
| CCDD 2018 | 9 | 9 | |
| Huber / Inglehart (1995) | 9 | 9 | |
| The PopuList | 9 | 9 | |
| Leaders Global | 13 | 13 | |
| CSES-IMD | 20 | 20 | |
| ESS prtv* | 22 | 22 | |
| Manifesto Project | 25 | 25 | |
| PPMD (all) | 11 | 11 | |
| GPD | 3 | 3 | |
| GPS 2019 | 9 | 9 | |
| ESS prtc* | 22 | 22 | |
| TAESD | 11 | 11 | |
| PPEPE (2021) | 6 | 6 | |
| Kitschelt (2013) | 5 | 5 | |
| POPPA | 12 | 12 | |
| CCS | 5 | 5 | |
| EJPR PDY | 33 | 33 | |
| V-Party | 40 | 40 | |
| KUREP (2012) | 5 | 5 | |
| PPDB (2017) | 5 | 5 | |
| euandi (GPS) | 10 | 10 | |
| EES 2014 | 8 | 8 | |
| CLEA | 34 | 34 | |
| PolCon | 26 | 26 | |
| Poll of Polls | 20 | 20 | |
| TAP | 6 | 6 | |
| ERDDA (2013) | 13 | 13 | |
| PPMD (2006) | 11 | 11 | |
| World Values Survey | 15 | 15 | |
| ParlGov | 47 | 47 | |
| MAPP | 12 | 12 | |
| Wikipedia tags | 51 | 51 | |
| CHISOLS | 27 | 27 | |
| CHES | 16 | 16 |