President Emmerson Mnangagwar, who won a controversial election two years ago, said foreign observers were biased.
Zimbabwe will hold its next General Election in 2023 and the 77-year-old ruler is accused of trying to create a one party state by clamping down on the mainstream opposition.
The Zimbabwean leader accuses Western countries such as the United States of plotting to topple him.
Zimbabwe President Emmerson Mnangagwa wants southern African countries to start holding their elections without international observers.
President Mnangagwa was speaking at a state dinner he hosted for visiting Malawi President Lazarus Chakwera, who began a two-day state visit on Wednesday.
