# Name Parties Matches
Manifesto Project 16 16
ParlGov 21 21
Wikipedia 42 42
CHES 14 14
CLEA 17 17
EJPR PDY 16 16
V-Party 31 31
CHISOLS 14 14
DPI 18 18
ESS prtc* 25 25
ESS prtv* 27 27
Huber / Inglehart (1995) 6 6
Kitschelt (2013) 5 5
PolCon 12 12
PPMD (2006) 8 8
World Values Survey 6 6
CCS 8 8
CSES-IMD 10 10
Elections Global 40 40
ERDDA (2013) 10 10
euandi (GPS) 6 6
Global Elections DB 4 4
Janda (1980) 1 1
Jennings / Wlezien 5 5
KUREP (2012) 6 6
MAPP 11 11
Mudde (2007) 1 1
PIP 12 12
POPPA 7 7
PPDB (2017) 4 4
TAP 4 4
The PopuList 8 8
EES 2014 3 3