# Name Parties Matches
ParlGov 49 49
Manifesto Project 33 33
ERDDA (2013) 22 22
CHES 21 21
EJPR PDY 36 36
Kitschelt (2013) 6 6
KUREP (2012) 6 6
Huber / Inglehart (1995) 7 7
EPAC (2018) 8 8
PPMD (2006) 10 10
CLEA 33 33
World Values Survey 8 8
EES 2014 5 5
PolCon 21 21
PPDB (2017) 6 6
CHISOLS 6 6
DPI 23 23
Jennings / Wlezien 5 5
Wikipedia 63 63
Global Elections DB 24 24
euandi (GPS) 8 8
Elections Global 46 46
MAPP 12 12
CSES-IMD 21 21
PIP 30 30
Mudde (2007) 7 7
The PopuList 15 15
V-Party 52 52
POPPA 8 8
TAP 10 10
PPMD (all) 10 10
ESS prtc* 30 30
ESS prtv* 29 29
GPS 2019 4 4