"In Mexico City we are going to vote for 50 candidates. If even discerning people with access to social media aren't checking the candidates, imagine the people who don't have this access," 22-year-old accounting student Maria Alejandra Mares told Reuters. "They're going to vote blind."

Voting is not mandatory in Mexico and there is no minimum turnout required to legitimize an election.

Just 37% of 1,000 people polled by Buendia & Marquez said they would come out to vote, compared to 61% who participated in the vote last June that elected President Sheinbaum.