National population estimates give the best available measure of the population, by age and sex, usually living in New Zealand.

Key facts

At 31 March 2023:

• New Zealand’s estimated resident population was provisionally 5,199,100
• there were 2,616,000 females and 2,583,100 males
• the median age of females and males was 39.1 and 37.1 respectively.

During the year ended March 2023:

• New Zealand’s population grew by 84,100 (1.6 percent)
• estimated natural increase (births minus deaths) was 18,600
• estimated net migration (migrant arrivals minus migrant departures) was 65,400.

Note: International migration data used to derive population estimates for this release will be consistent with International migration: March 2023 published 12 May 2023.

Visit our website to read this information release and to download CSV files:

• National population estimates: At 31 March 2023
• CSV files for download

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