How Do I Find ~ Statistics and Data

The Democracy and Dictatorship Project (DD) classifies political regimes as democracy and dictatorship. Classification of democracies is either parliamentary, semi-presidential (mixed), or presidential. Classification of dictatorships is either military, civilian or royal. The data set covers 202 countries from 1946 to 2008.

Freedom in the World tracks global trends in political rights and civil liberties for 195 countries (+15 territories) since 1973. Specifically, it analyzes the electoral process, political pluralism and participation, the functioning of the government, freedom of expression and of belief, associational and organizational rights, the rule of law, and personal autonomy and individual rights.

The Polity Project codes authority characteristics of states in the world system for purposes of comparative, quantitative analysis. Its latest release, the Polity 5 dataset covers all major, independent states in the global system over the period 1800-2018.

Varieties of Democracy (V-Dem) provides a multidimensional and disaggregated dataset that reflects the complexity of the concept of democracy as a system of rule that goes beyond the simple presence of elections. The V-Dem project distinguishes between five high-level principles of democracy: electoral, liberal, participatory, deliberative, and egalitarian, and collects data to measure these principles (483 V-Dem indicators, 82 indices and 5 high-level indices). The data set covers 202 countries from 1789 to 2020.