Change your gender on your official ID
If you’ve changed your gender, or if your gender has been wrongly recorded, you can update your official identification. You can record your gender as M (male), F (female) or X (gender diverse).
Change your passport
To change the gender on your passport, you need to complete a passport application form and pay for a new passport.
Change your driver licence record
Visit the New Zealand Transport Agency website for information about updating your driver licence.