# Name Parties Matches
ParlGov 37 37
Manifesto Project 25 25
Mackie / Rose (1991) 49 49
EJPR PDY 20 20
Kitschelt (2013) 5 5
Huber / Inglehart (1995) 5 5
PPMD (2006) 6 6
CLEA 29 29
World Values Survey 5 5
Thomas (1975) 8 8
PolCon 34 34
CHISOLS 21 21
DPI 11 11
Jennings / Wlezien 8 8
Wikipedia 60 60
Laver / Hunt 6 6
Elections Global 50 50
CSES-IMD 10 10
PIP 19 19
V-Party 45 45
PPMD (all) 13 13
GPS 2019 7 7