Source: Statistics New Zealand
National population estimates: At 31 March 2025 (2023-base) – 15 May 2025 – National population estimates give the best available measure of the population, by age and sex, usually living in Aotearoa New Zealand.
With the release of Estimated resident population (2023-base): At 30 June 2023 on 16 April 2025, we revised population estimates between 30 June 2018 and 30 June 2023, and rebased population estimates after 30 June 2023. This is the usual revision that occurs after new census and post-enumeration survey results are available.
Estimated resident population 2023: Data sources and methods has more information.
All population estimates from 30 June 2023 are now 2023-base.
Key facts
At 31 March 2025:
- the estimated resident population of Aotearoa New Zealand was 5,330,600 (provisionally)
- there were 2,680,100 females and 2,650,500 males
- the median age of females and males was 38.9 and 37.3 years respectively.
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