"The number of signatures has clearly exceeded the minimum needed," said Vicente Bello, coordinator for the referendum effort.
Government election authorities now have 20 days to review and affirm that finding.
Opponents of the regime finished giving their fingerprints to electoral authorities earlier yesterday, wrapping up a key stage in their drive for a referendum to remove him.
Already used to queuing for hours to buy food in an economic crisis, this week they lined up at electoral offices for a sometime frustrating process.
One voter in the northern city of Maracay, civil servant Felix Rodriguez, skipped work to come and give his signature.
He has no flour, milk or meat in his kitchen. His old truck is broken down and there are no spare parts available.
"Prices are going up every day, on top of the shortages," he said. "Whether you have money or not, you've got problems."
In Maracay the electoral office opened late, due to electricity cuts.
"I took a risk by leaving work," he explained. In the end, he said angrily, "I won't be able to validate my signature."
Yesterday was the fifth and last day of the fingerprinting process, which could make or break the bid to hold a recall vote on Maduro.
The opposition MUD coalition has accused the government of sabotaging the process through delays, obstacles and veiled threats to suspend the process.
Of the 1.3 million signatures recorded by the electoral board in the initial petition, at least 200,000 must be authenticated to pass to the next phase, with a minimum amount required in every state.
