Why do countries have a federal type of government?

Typically countries have a federal type of democratic government because the country itself is either very large or very culturally/ ethnically/ ideologically diverse(like India or Nigeria). read more

Countries which do not fit any of the above systems (e.g. transitional government or unclear political situations) No government Note: this chart represent de jure systems of government, not the de facto degree of democracy. read more

The list is colour-coded according to the type of government, for example: blue represents a republic with an executive head of state, and pink is a constitutional monarchy with a ceremonial head of state. The colour-coding also appears on the following map, representing the same government categories. read more