He isn't. He assumed presidency in violation of the country's constitutional procedure. You should also read up on that election. IIRC, he was on the ballot 10

He isn't. He assumed presidency in violation of the country's constitutional procedure. You should also read up on that election. IIRC, he was on the ballot 10 times or so out of 20-something options (a few also had the same person as a candidate, but none nearly as much as Maduro).