TRUST INDEX: Yes, photo ID cards are required to vote in Mexico Mexican voter ID cards are free, and are granted by a federal, autonomous institution Tags: TIJUANA, MEXICO - JUNE 30: The Mexican flag flies near the U.S.-Mexico border on June 30, 2018 in Tijuana, Mexico. (Photo by Mario Tama/Getty Images) (2018 Getty Images) A widely-shared Facebook meme suggest that voters in Mexico must undergo a more rigorous standard to be able to vote. The meme, which has been posted by several users, touches on conservative sentiments behind the voter ID laws being enacted in different states—including Georgia and Texas—and effectively makes the argument: If Mexico requires such strict voter ID protocols, why can’t the U.S.?