| # | Name | Parties | Matches |
|---|---|---|---|
| ParlGov | 53 | 53 | |
| Manifesto Project | 29 | 29 | |
| ERDDA (2013) | 17 | 17 | |
| CHES | 21 | 21 | |
| EJPR PDY | 32 | 32 | |
| Kitschelt (2013) | 6 | 6 | |
| KUREP (2012) | 6 | 6 | |
| Huber / Inglehart (1995) | 7 | 7 | |
| EPAC (2018) | 10 | 10 | |
| PPMD (2006) | 13 | 13 | |
| CLEA | 35 | 35 | |
| World Values Survey | 16 | 16 | |
| EES 2014 | 9 | 9 | |
| PolCon | 15 | 15 | |
| CHISOLS | 14 | 14 | |
| DPI | 25 | 25 | |
| Jennings / Wlezien | 7 | 7 | |
| Wikipedia | 40 | 40 | |
| Global Elections DB | 12 | 12 | |
| euandi (GPS) | 10 | 10 | |
| Elections Global | 18 | 18 | |
| MAPP | 16 | 16 | |
| CSES-IMD | 15 | 15 | |
| PIP | 18 | 18 | |
| Mudde (2007) | 2 | 2 | |
| The PopuList | 12 | 12 | |
| V-Party | 26 | 26 | |
| POPPA | 10 | 10 | |
| TAP | 7 | 7 | |
| GPD | 3 | 3 | |
| PPMD (all) | 16 | 16 | |
| ESS prtc* | 17 | 17 | |
| ESS prtv* | 17 | 17 | |
| GPS 2019 | 8 | 8 | |
| WhoGov | 18 | 18 | |
| Leaders Global | 7 | 7 | |
| PPEPE (2021) | 6 | 6 | |
| PAGED | 25 | 23 | |
| EU-NED | 42 | 42 | |
| Wikipedia tags | 35 | 35 | |
| Poll of Polls | 22 | 22 | |
| TAESD | 10 | 10 |