(CNN)Washington state and Pennsylvania will offer a third gender option on driver's licenses, so people who don't identify as female or male can choose X instead.
The changes will bring the number of states that offer a third option to at least 14. Washington, DC, and New York City do, as well.
"Identity is a fundamental human right," Washington state's Department of Licensing Director Teresa Berntsen said in a statement released by Gov. Jay Inslee, a Democrat.
"The driver's l