Polity data series
The Polity data series is a widely used data series in political science research.[1] The latest version, Polity V, contains coded annual information on the level of democracy for most independent states with greater than 500,000 total population and covers the years 1800–2018. Polity's conclusions about a state's level of democracy are based on an evaluation of that state's elections for competitiveness and openness, the nature of political participation in general, and the extent of checks on executive authority. For each year and country, a "Polity Score" is determined which ranges from -10 to +10, with -10 to -6 corresponding to autocracies, -5 to 5 corresponding to anocracies, and 6 to 10 to democracies.
| minimum value | maximum value | |
|---|---|---|
| autocracies | -10 | -6 |
| anocracies | -5 | 5 |
| democracies | 6 | 10 |
Number of nations 1800–2003 scoring 8 or higher on the Polity IV scale, a measure of democracy.
World map showing findings from the Polity IV data series report for 2013.
World map showing findings from the Polity IV data series report for 2017.
The Polity study was initiated in the late 1960s by Ted Robert Gurr; it is now continued by Gurr's former student, Monty G. Marshall, and sponsored by the Political Instability Task Force (PITF). The PITF is funded by the Central Intelligence Agency.[2]
The 2002 paper "Conceptualizing and Measuring Democracy" claimed several problems with commonly used democracy rankings, including Polity, opining that the criteria used to determine "democracy" were misleadingly narrow.[3]
Scores for 2018
| Country | Democracy | Autocracy | Polity datasets IV number[4][5] | Polity datasets IV category |
|---|---|---|---|---|
 Afghanistan | 1 | 2 | -1 | Closed Anocracy |
 Albania | 9 | 0 | 9 | Democracy |
 Algeria | 3 | 1 | 2 | Open Anocracy |
 Angola | 2 | 4 | -2 | Closed Anocracy |
 Argentina | 9 | 0 | 9 | Democracy |
 Armenia | 7 | 0 | 7 | Democracy |
.svg.png.webp){kind=small} Australia | 10 | 0 | 10 | Full Democracy |
 Austria | 10 | 0 | 10 | Full Democracy |
 Azerbaijan | 0 | 7 | -7 | Autocracy |
 Bahrain | 0 | 10 | -10 | Autocracy |
 Bangladesh | 0 | 6 | -6 | Autocracy |
 Belarus | 0 | 7 | -7 | Autocracy |
.svg.png.webp){kind=small} Belgium | 8 | 0 | 8 | Democracy |
 Benin | 7 | 0 | 7 | Democracy |
 Bhutan | 7 | 0 | 7 | Democracy |
 Bolivia | 7 | 0 | 7 | Democracy |
 Botswana | 8 | 0 | 8 | Democracy |
 Brazil | 8 | 0 | 8 | Democracy |
 Bulgaria | 9 | 0 | 9 | Democracy |
 Burkina Faso | 7 | 1 | 6 | Democracy |
 Burundi | 2 | 3 | -1 | Closed Anocracy |
 Cambodia | 0 | 4 | -4 | Closed Anocracy |
 Cameroon | 1 | 5 | -4 | Closed Anocracy |
.svg.png.webp){kind=small} Canada | 10 | 0 | 10 | Full Democracy |
 Cape Verde | 10 | 0 | 10 | Full Democracy |
 Central African Republic | 7 | 1 | 6 | Democracy |
 Chad | 1 | 3 | -2 | Closed Anocracy |
 Chile | 10 | 0 | 10 | Full Democracy |
 China | 0 | 7 | -7 | Autocracy |
 Colombia | 7 | 0 | 7 | Democracy |
 Comoros | 0 | 3 | -3 | Closed Anocracy |
 Congo Brazzaville | 0 | 4 | -4 | Closed Anocracy |
 Congo Kinshasa | 1 | 4 | -3 | Closed Anocracy |
 Costa Rica | 10 | 0 | 10 | Full Democracy |
 Croatia | 9 | 0 | 9 | Democracy |
 Cuba | 1 | 6 | -5 | Closed Anocracy |
 Cyprus | 10 | 0 | 10 | Full Democracy |
 Czech Republic | 9 | 0 | 9 | Democracy |
 Denmark | 10 | 0 | 10 | Full Democracy |
 Djibouti | 3 | 0 | 3 | Open Anocracy |
 Dominican Republic | 8 | 1 | 7 | Democracy |
 East Timor | 9 | 1 | 8 | Democracy |
 Ecuador | 6 | 1 | 5 | Open Anocracy |
 Egypt | 0 | 4 | -4 | Closed Anocracy |
 El Salvador | 8 | 0 | 8 | Democracy |
 Equatorial Guinea | 0 | 6 | -6 | Autocracy |
 Eritrea | 0 | 7 | -7 | Autocracy |
 Estonia | 9 | 0 | 9 | Democracy |
 Ethiopia | 3 | 2 | 1 | Open Anocracy |
 Fiji | 4 | 0 | 4 | Open Anocracy |
 Finland | 10 | 0 | 10 | Full Democracy |
 France | 9 | 0 | 9 | Democracy |
 Gabon | 4 | 1 | 3 | Open Anocracy |
 Gambia | 4 | 0 | 4 | Open Anocracy |
 Georgia | 8 | 1 | 7 | Democracy |
 Germany | 10 | 0 | 10 | Full Democracy |
 Ghana | 8 | 0 | 8 | Democracy |
 Greece | 10 | 0 | 10 | Full Democracy |
 Guatemala | 9 | 1 | 8 | Democracy |
 Guinea | 4 | 0 | 4 | Open Anocracy |
 Guinea-Bissau | 7 | 1 | 6 | Democracy |
 Guyana | 8 | 1 | 7 | Democracy |
 Haiti | 6 | 1 | 5 | Open Anocracy |
 Honduras | 7 | 0 | 7 | Democracy |
 Hungary | 10 | 0 | 10 | Full Democracy |
 India | 9 | 0 | 9 | Democracy |
 Indonesia | 9 | 0 | 9 | Democracy |
 Iran | 0 | 7 | -7 | Autocracy |
 Iraq | 6 | 0 | 6 | Democracy |
 Ireland | 10 | 0 | 10 | Full Democracy |
 Israel | 7 | 1 | 6 | Democracy |
 Italy | 10 | 0 | 10 | Full Democracy |
 Ivory Coast | 5 | 1 | 4 | Open Anocracy |
 Jamaica | 9 | 0 | 9 | Democracy |
 Japan | 10 | 0 | 10 | Full Democracy |
 Jordan | 2 | 5 | -3 | Closed Anocracy |
 Kazakhstan | 0 | 6 | -6 | Autocracy |
 Kenya | 9 | 0 | 9 | Democracy |
 Kosovo | 8 | 0 | 8 | Democracy |
 Kuwait | 0 | 7 | -7 | Autocracy |
 Kyrgyzstan | 8 | 0 | 8 | Democracy |
 Laos | 0 | 7 | -7 | Autocracy |
 Latvia | 8 | 0 | 8 | Democracy |
 Lebanon | 6 | 0 | 6 | Democracy |
 Lesotho | 9 | 1 | 8 | Democracy |
 Liberia | 8 | 1 | 7 | Democracy |
 Lithuania | 10 | 0 | 10 | Full Democracy |
 Luxembourg | 10 | 0 | 10 | Full Democracy |
 Macedonia | 9 | 0 | 9 | Democracy |
 Madagascar | 6 | 0 | 6 | Democracy |
 Malawi | 6 | 0 | 6 | Democracy |
 Malaysia | 7 | 0 | 7 | Democracy |
 Mali | 6 | 1 | 5 | Open Anocracy |
 Mauritania | 0 | 2 | -2 | Closed Anocracy |
 Mauritius | 10 | 0 | 10 | Full Democracy |
 Mexico | 8 | 0 | 8 | Democracy |
 Moldova | 9 | 0 | 9 | Democracy |
 Mongolia | 10 | 0 | 10 | Full Democracy |
 Montenegro | 9 | 0 | 9 | Democracy |
 Morocco | 1 | 5 | -4 | Closed Anocracy |
 Mozambique | 6 | 1 | 5 | Open Anocracy |
 Myanmar | 8 | 0 | 8 | Democracy |
 Namibia | 6 | 0 | 6 | Democracy |
 Nepal | 8 | 1 | 7 | Democracy |
 Netherlands | 10 | 0 | 10 | Full Democracy |
 New Zealand | 10 | 0 | 10 | Full Democracy |
 Nicaragua | 7 | 1 | 6 | Democracy |
 Niger | 6 | 1 | 5 | Open Anocracy |
 Nigeria | 8 | 1 | 7 | Democracy |
 North Korea | 0 | 10 | -10 | Autocracy |
 Norway | 10 | 0 | 10 | Full Democracy |
 Oman | 0 | 8 | -8 | Autocracy |
 Pakistan | 7 | 0 | 7 | Democracy |
 Panama | 9 | 0 | 9 | Democracy |
 Papua New Guinea | 5 | 0 | 5 | Open Anocracy |
 Paraguay | 9 | 0 | 9 | Democracy |
 Peru | 9 | 0 | 9 | Democracy |
 Philippines | 8 | 0 | 8 | Democracy |
 Poland | 10 | 0 | 10 | Full Democracy |
 Portugal | 10 | 0 | 10 | Full Democracy |
 Qatar | 0 | 10 | -10 | Autocracy |
 Romania | 9 | 0 | 9 | Democracy |
 Russia | 5 | 1 | 4 | Open Anocracy |
 Rwanda | 0 | 3 | -3 | Closed Anocracy |
 Saudi Arabia | 0 | 10 | -10 | Autocracy |
 Senegal | 7 | 0 | 7 | Democracy |
 Serbia | 9 | 1 | 8 | Democracy |
 Sierra Leone | 8 | 1 | 7 | Democracy |
 Singapore | 2 | 4 | -2 | Closed Anocracy |
 Slovak Republic | 10 | 0 | 10 | Full Democracy |
 Slovenia | 10 | 0 | 10 | Full Democracy |
 Solomon Islands | 9 | 1 | 8 | Democracy |
 Somalia | 5 | 0 | 5 | Open Anocracy |
 South Africa | 9 | 0 | 9 | Democracy |
 South Korea | 8 | 0 | 8 | Democracy |
 Spain | 10 | 0 | 10 | Full Democracy |
 Sri Lanka | 7 | 1 | 6 | Democracy |
 Sudan | 0 | 4 | -4 | Closed Anocracy |
 Suriname | 6 | 1 | 5 | Open Anocracy |
 Eswatini | 0 | 9 | -9 | Autocracy |
 Sweden | 10 | 0 | 10 | Full Democracy |
 Switzerland | 10 | 0 | 10 | Full Democracy |
 Syria | 0 | 9 | -9 | Autocracy |
 Taiwan | 10 | 0 | 10 | Full Democracy |
 Tajikistan | 1 | 4 | -3 | Closed Anocracy |
 Tanzania | 4 | 1 | 3 | Open Anocracy |
 Thailand | 0 | 3 | -3 | Closed Anocracy |
 Togo | 1 | 3 | -2 | Closed Anocracy |
 Trinidad and Tobago | 10 | 0 | 10 | Full Democracy |
 Tunisia | 7 | 0 | 7 | Democracy |
 Turkey | 0 | 4 | -4 | Closed Anocracy |
 Turkmenistan | 0 | 8 | -8 | Autocracy |
 Uganda | 1 | 2 | -1 | Closed Anocracy |
 Ukraine | 5 | 1 | 4 | Open Anocracy |
 United Arab Emirates | 0 | 8 | -8 | Autocracy |
 United Kingdom | 8 | 0 | 8 | Democracy |
 United States | 8 | 0 | 8 | Democracy |
 Uruguay | 10 | 0 | 10 | Full Democracy |
 Uzbekistan | 0 | 9 | -9 | Autocracy |
 Venezuela | 1 | 4 | -3 | Closed Anocracy |
 Vietnam | 0 | 7 | -7 | Autocracy |
 Zambia | 6 | 0 | 6 | Democracy |
 Zimbabwe | 5 | 1 | 4 | Open Anocracy |
See also
References
- Casper, Gretchen, and Claudiu Tufis. 2003. “Correlation Versus Interchangeability: the Limited Robustness of Empirical Finding on Democracy Using Highly Correlated Data Sets.” Political Analysis 11: 196-203.
- Polity IV Country Report 2010: Canada http://www.systemicpeace.org/polity/Canada2010.pdf
- Gerardo L. Munck, Jay Verkuilen (February 2002), "Conceptualizing and measuring democracy: Evaluating Alternative Indices" (PDF), Comparative Political Studies, 35 (1): 5–34, CiteSeerX 10.1.1.469.3177, doi:10.1177/001041400203500101
- "Polity IV Annual Time-Series, 1800-2018". Retrieved 31 August 2019.
- "INSCR Data Page". 2019-06-02.
External links
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