UPDATE August 1, 2016
Apple adds more gender diverse emoji in iOS 10
More than one hundred new and redesigned emoji characters will be available to iPhone and iPad users this fall with iOS 10. This exciting update brings more gender options to existing characters, including new female athletes and professionals, adds beautiful redesigns of popular emoji, a new rainbow flag and more family options.
Apple is working closely with the Unicode Consortium to ensure that popular emoji characters reflect the diversity of people everywhere.
Images of iOS 10 diversity emoji