# Name Parties Matches
ParlGov 87 87
Manifesto Project 55 55
Morgan (1976) 22 22
Mackie / Rose (1991) 51 51
EJPR PDY 35 35
Kitschelt (2013) 9 9
PPMD (2006) 12 12
CLEA 52 52
World Values Survey 5 5
PolCon 23 23
PPDB (2017) 10 10
CHISOLS 47 47
DPI 21 21
Wikipedia 89 89
Global Elections DB 25 25
Laver / Hunt 7 7
Elections Global 32 32
MAPP 12 12
CSES-IMD 29 29
V-Party 32 32
PPMD (all) 14 14
ESS prtc* 35 35
ESS prtv* 39 39
GPS 2019 10 10