There is a good reference on Immigration New Zealand website pertaining least living cost in New Zealand for foreign students and their families.
As a fee-paying foreign student lives in New Zealand, the recommended least living cost is NZD$1250/month.
Details(See U3.20.25):
https://www.immigration.govt.nz/opsmanual/#43653.htm
If you want to bring your family members with you as visitors, for one person the recommended least living cost is NZ $1,000 per month, or NZ $400 per month if the accommodation fee has been paid.
Details:
https://www.immigration.govt.nz/new-zealand-visas/apply-for-a-visa/criteria/partners-of-student-visa-holders-visitor-visa?nationality=nationality-CHN&country=residence-NZL&applying=no
如果是一个人留学新西兰，新西兰移民局已经提供了一个很准确的生活费数字：每个月不少于1250纽币。
详见如下网址的U3.20.25条：
中文翻译：http://www.kiwi2china.com/kmsRead/admission/43653.html
英文网址：https://www.immigration.govt.nz/opsmanual/#43653.htm
如果留学生还携带了配偶或者有家长陪读，根据新西兰移民局的要求，配偶或陪读家长需要准备最低每个月1000纽币的生活费。如果已经支付了房租，则只需要准备最低每个月400纽币的生活费。
详见如下网址的Funds or Sponsorship
https://www.immigration.govt.nz/new-zealand-visas/apply-for-a-visa/criteria/partners-of-student-visa-holders-visitor-visa?nationality=nationality-CHN&country=residence-NZL&applying=no
如果准备携带子女一起陪读，需要的生活费最低标准也是每个人每个月1000纽币。如果已经支付了房租，则只需要准备最低每个人每个月400纽币的生活费。
详见如下网址的Funds or Sponsorship
https://www.immigration.govt.nz/new-zealand-visas/apply-for-a-visa/criteria/dependent-children-of-student-visa-holders-visitor-visa?nationality=nationality-CHN&country=residence-NZL&applying=no
如果留学生的孩子有资格享受当地免费教育，则每个孩子需要准备的生活费标准是每个月1250纽币。
详见如下网址的Funds or Sponsorship
https://www.immigration.govt.nz/new-zealand-visas/apply-for-a-visa/criteria/dependent-child-student-visa?nationality=nationality-CHN&country=residence-NZL&applying=no
