A family member who is already a New Zealand citizen or resident can sponsor you to come to New Zealand if you are:

• Partner – you are the husband, wife, defacto or civil union partner of a New Zealand citizen or resident.
• Parent – you have a child who is a New Zealand citizen or resident.
• Dependent child – you are a dependent child with a parent who is a New Zealand citizen or resident.
• Sibling or adult child – you are the brother, sister or adult child of a New Zealand citizen or resident.

See the Parent Retirement Category if you have a child who is a New Zealand citizen or resident and you are able to invest NZ$1 million in New Zealand for four years.

Partner:

A new partnership is often the reason people choose to leave their homeland and start a new life in New Zealand. And many have found New Zealand a great place to live, work and raise a family.

• If you are a partner of a New Zealand resident
• If you wish to move to New Zealand to join your partner, you will need to apply for residence in New Zealand. 

Your partner must be a New Zealand citizen or resident, and support your application.

Learn more: Partner Category

Parents:

If you wish to sponsor your parent(s), you must be a New Zealand citizen or resident and must be eligible to sponsor your parent(s).

Learn more: Parents Category

Child of a New Zealand resident:

You and your parent(s) may wish to be reunited in New Zealand. Your parent(s) may have already settled here and now, you’d like to come to New Zealand to live with them.

If you are a dependent child and wish to move to New Zealand to live with your parent(s), you will need to apply for residence in New Zealand. Your parent must be a New Zealand citizen or resident and be living in New Zealand.

Learn more: Dependent Child Category

Brother, sister or adult child:

If you wish to sponsor your brother, sister or adult child, you must be a New Zealand citizen or resident and must be eligible to sponsor your relative.

Learn more: Brother, Sister or Adult Child Category

Source: Immigration New Zealand