জায়ার

a. Renamed from "Democratic Republic of the Congo" (République démocratique du Congo) on 27 October 1971.
b. Changed from Léopoldville in 1966.
c. Zaire became a de jure one-party state on 23 December 1970, but had been a de facto one-party state since May 20, 1967, the date on which the MPR (Mouvement Populaire de la Revolution) was established. Zaire formally adopted a multiparty system on April 24, 1990, when Mobutu delivered a speech proclaiming the end of the one-party system. The country adopted a three-party system de jure with the passage of Law No. 90-002 of July 5, 1990, which amended its constitution accordingly, but retained the one-party system of the MPR de facto.