One-party state

A one-party state, single-party state, one-party system, or single-party system is a type of sovereign state in which only one political party has the right to form the government, usually based on the existing constitution.[1] All other parties are either outlawed or allowed to take only a limited and controlled participation in elections. Sometimes the term "de facto one-party state" is used to describe a dominant-party system that, unlike the one-party state, allows (at least nominally) democratic multiparty elections, but the existing practices or balance of political power effectively prevent the opposition from winning power.

World's states colored by form of government1

Although it is predated by the 1714 to 1783 "age of the Whig oligarchy" in Great Britain,[2] the rule of the Committee of Union and Progress (CUP) over the Ottoman Empire following the 1913 coup d'etat is often considered the first one-party state.[3]


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