The process, which is free in Mexico City, comes after legal reform in 2014 allowing adults to change their gender on birth certificates and electoral cards if they identify as a different gender from the one assigned at birth. Transgender people face many hurdles when they cannot update legal documents such as ID cards to reflect their gender identity. It took until last year, however, for the rest of the country to follow suit with Tamaulipas becoming the final state to do so in October.Īnother 131 people in the capital are set to complete administrative gender-change processes, the city government said. In 2009, Mexico City became the first jurisdiction in Latin America to legalize same-sex marriage.