# Name Parties Matches
ParlGov 26 26
Manifesto Project 18 18
Mackie / Rose (1991) 24 24
CHES 11 11
EJPR PDY 19 19
Kitschelt (2013) 7 7
Huber / Inglehart (1995) 6 6
Ray (1999) 14 14
PPMD (2006) 10 10
CLEA 32 32
World Values Survey 11 11
PolCon 13 13
CHISOLS 6 6
DPI 8 8
Jennings / Wlezien 8 8
Wikipedia 26 26
Global Elections DB 9 9
Elections Global 15 15
IPOD 12 12
MAPP 15 15
CSES-IMD 14 14
CCS 14 14
PIP 17 17
Mudde (2007) 5 5
The PopuList 9 9
V-Party 11 11
POPPA 11 11
TAP 8 8
GPD 3 3
PPMD (all) 10 10
ESS prtc* 26 26
ESS prtv* 25 25
GPS 2019 10 10