1 Norway 9.80 Full democracy Constitutional monarchy and parliamentary democracy, unicameralism
2 Iceland 9.65 Full democracy Parliamentary republic and parliamentary democracy, unicameralism
3 Denmark 9.52 Full democracy Constitutional monarchy and parliamentary democracy, unicameralism
4 Sweden 9.50 Full democracy Constitutional monarchy and parliamentary democracy, unicameralism
5 New Zealand 9.26 Full democracy Constitutional monarchy and parliamentary democracy, unicameralism, semi-direct democracy
6 Australia 9.22 Full democracy Federalism, constitutional monarchy and parliamentary democracy, bicameralism
7 Finland 9.19 Full democracy Parliamentary republic and parliamentary democracy, unicameralism, semi-direct democracy on a local but not national level
8 Switzerland 9.09 Full democracy Federalism, Parliamentary republic, semi-direct democracy, bicameralism
9 Canada 9.08 Full democracy Federalism, constitutional monarchy and parliamentary democracy, bicameralism, semi-direct democracy
10 Netherlands 8.99 Full democracy Constitutional monarchy, parliamentary democracy, bicameralism
11 Luxembourg 8.88 Full democracy Constitutional monarchy and parliamentary democracy, unicameralism
12 Ireland 8.79 Full democracy Parliamentary republic and parliamentary democracy, bicameralism
13 Austria 8.49 Full democracy Federalism, parliamentary republic and parliamentary democracy, bicameralism
14 Germany 8.38 Full democracy Federalism, parliamentary republic and parliamentary democracy, bicameralism
15 Malta 8.28 Full democracy Parliamentary republic and parliamentary democracy, unicameralism
16 Czech Republic 8.19 Full democracy Parliamentary republic and parliamentary democracy, bicameralism
17 United States 8.18 Full democracy Federalism, Constitutional republic, presidential system, bicameralism
18 Spain 8.16 Full democracy Constitutional monarchy and parliamentary democracy, bicameralism
19 United Kingdom 8.16 Full democracy Constitutional monarchy and parliamentary democracy, bicameralism
20 South Korea 8.11 Full democracy Presidential system, unicameralism
21 Uruguay 8.10 Full democracy Presidential system, bicameralism
22 Japan 8.08 Full democracy Constitutional monarchy and parliamentary democracy, bicameralism
23 Belgium 8.05 Full democracy Federalism, Constitutional monarchy and parliamentary democracy, bicameralism
24 Mauritius 8.04 Full democracy Parliamentary republic and parliamentary democracy
24 Costa Rica 8.04 Full democracy Presidential system
26 Portugal 8.02 Full democracy Parliamentary republic and parliamentary democracy