Democracy Index (Economist Intelligence Unit) – The index studies the state of democracy across 167 countries/territories in the world. It consists of 60 indicators divided among 5 categories: electoral process and pluralism, civil liberties, functioning of government, political participation, and political culture.
Based on the respective scores of the countries, they are ranked as well as classified under four regime categories: full democracy (8-10), flawed democracy (6-7.99), hybrid regime (4-5.99), and authoritarian regime (0-3.99).