The most recent president, Hery Rajaonarimampianina, is far behind, with 7 percent.
The results released on Wednesday were from 17,097 of the 24,852 polling stations.
The November 7 election attracted a record 36 candidates, but pollsters projected that only three would have a chance at the top seat; Rajaonarimampianina, Rajoelina and Ravalomanana.
For a clear win in the first round, a candidate must obtain 50 percent plus one of the votes cast. If no candidate manages that figure then the island nation will head back to the ballot on December 19.