
Calculations by Max Roser based on Polity IV data, and data from Wimmer and Min (2006), Gapminder.org, UN Population 
Division (2015 Rev), and Our World In Data

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The Polity IV score captures the type of political regime for each country on a range from -10 
(full autocracy) to +10 (fulldemocracy). Regimes that fall into the middle of this spectrum are 
called anocracies.

Share of world citizens living under different political regimes

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middle

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Explore the global distribution of political regimes with this line chart, showcasing the Polity IV score's classification of countries.

Political Regimes

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