a New Zealand citizen, or entitled to live in New Zealand indefinitely, and
living or normally living in New Zealand (with some exceptions), and
below the age of eligibility for NZ Super (currently 65).
You can't join KiwiSaver if you're:
holding a temporary, visitor, work or student permit
living overseas, unless you're a government employee:
serving outside New Zealand, and
employed on New Zealand terms and conditions, and
serving in a jurisdiction where offers of KiwiSaver scheme membership are lawful.