Polity IV

data series in political science research

The Polity IV scale is a yearly assessment that assesses most sovereign states with a population above 500,000. They are split into five categories: full democracies, democracies, open anocracies, closed anocracies, and autocracies.

Status by country:

Full Democracies (Score of 10):

United States Canada United Kingdom Germany Japan

Democracies (Score of 9 to 6):

Mexico (8 points) Brazil (8 points) France (9 points) Turkey (9 points) India (9 points)

Open anocracies (Score of 5 to 1):

Venezuela (4 points) Nigeria (5 points) Russia (4 points)

Closed anocracies (Score of -1 to -5):

Morocco (-3 points) Egypt (-3 points) Afghanistan (-1 point)

Autocracies (Score of -6 to -10):

Cuba (-7 points) Syria (-9 points) Iran (-7 points) China (-7 points) North Korea (-10 points)