Presidential elections were held in Zaire on 29 July 1984. At the time, the country was a one-party state with the Popular Movement of the Revolution as the only legal party. Its leader, incumbent president Mobutu Sese Seko, was the only candidate, with voters asked to vote "yes" or "no" to his candidacy. The results showed 99.16% of voters casting a "yes" vote.
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Text from the Wikipedia article “1984 Zairean presidential election”, available under CC BY-SA 4.0.