| # | Name | Parties | Matches |
|---|---|---|---|
| ParlGov | 39 | 39 | |
| Manifesto Project | 20 | 20 | |
| ERDDA (2013) | 18 | 18 | |
| Morgan (1976) | 7 | 7 | |
| Mackie / Rose (1991) | 29 | 29 | |
| CHES | 8 | 8 | |
| EJPR PDY | 21 | 21 | |
| Huber / Inglehart (1995) | 5 | 5 | |
| PPMD (2006) | 6 | 6 | |
| CLEA | 39 | 39 | |
| Janda (1980) | 4 | 4 | |
| PolCon | 17 | 17 | |
| DPI | 13 | 13 | |
| Jennings / Wlezien | 8 | 8 | |
| Wikipedia | 38 | 38 | |
| Global Elections DB | 11 | 11 | |
| Laver / Hunt | 6 | 6 | |
| Elections Global | 23 | 23 | |
| IPOD | 15 | 15 | |
| MAPP | 11 | 11 | |
| CSES-IMD | 13 | 13 | |
| CCS | 11 | 11 | |
| PIP | 16 | 16 | |
| The PopuList | 7 | 7 | |
| V-Party | 29 | 29 | |
| TAP | 2 | 2 | |
| PPMD (all) | 10 | 10 | |
| ESS prtc* | 17 | 17 | |
| ESS prtv* | 19 | 19 | |
| GPS 2019 | 9 | 9 | |
| NPED | 7 | 7 | |
| WhoGov | 10 | 10 | |
| Leaders Global | 9 | 9 | |
| PAGED | 21 | 21 | |
| Wikipedia tags | 30 | 30 | |
| Poll of Polls | 9 | 9 |