Effective Number of Parties (ENP)
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ABCDEFGHIJKLMNOPQRSTUVWXYZAAABAC
1
country
election year
party 1 seats
party 2 seats
party 3 seats
party 4 seats
party 5 seats
party 6 seats
party 7 seats
party 8 seats
party 9 seats
party 10 seats
party 11 seats
party 12 seats
party 13 seats
ENP (Golosov)
ENP (Laakso-Taagepera)
ENP (Nb)
2
Norway201355482910109714.0205329164.3933241043.733025688
3
Iceland201621101087434.0756985125.0949935824.047496791
4
Sweden2014113844925222119164.2918474794.993276764.040886167
5
New Zealand2014603214112112.3376060632.9595714572.488119062
6
Denmark2015473734141398765.318919395.7468568214.735130538
7
Canada201518499441012.0005097982.5001969622.168576742
8
Ireland2016504423764323.4977430633.8040952943.292047647
9
Switzerland2015705546401278224.5259726084.9188644384.188003648
10
Finland20154938373415129515.515992535.8428279294.962230291
11
Australia201610695104411112.2974793842.4380546162.2709141
12
Luxembourg20132313136323.2336502813.9301310043.269413328
13
Netherlands201733201919141495543327.3724715078.1168831176.331168831
14
Germany201331119364632.2755175452.803259762.416099333
15
Austria2013524740241194.3118498184.5931970924.056213931
16
Malta201737301.8108108111.9784045841.894607697
17
United Kingdom
2017317262351210741112.2496976042.4755375872.263005387
18
Spain2016137857132985213.1656403533.800335053.177539788
19
Mauritius2014511621.3705498191.664103461.508522318
20
Uruguay2014654217412.1842989472.6435266082.314070997
21
Japan2014291734135212221.7887406972.3357752571.970293127
22
United States20162932401.8191126281.9804181281.899765378
23
Italy2013468242163663212.2829857842.8944792512.45685501
24
Cape Verde2016402931.8529387242.1159183671.957959184
25
France201735013645171081.7526945262.2328505511.924996704
26
South Korea20161231223862.5413580462.6520496622.500821579
27
Costa Rica201817141094214.2641443244.7292576424.041099409
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