The data only includes names that were registered at least 10 times within a calendar year. The dataset begins in the year 1900.
Department of Internal Affairs
Baby Name Popularity Over Time: Top baby names by year 2025
https://catalogue.data.govt.nz/dataset/baby-name-popularity-over-time
Under the "Data and Resources" headline select "Top baby names by year (table)". Figure.NZ reorganised the data structure to allow for better data visualisation.
File as imported: Baby Name Popularity Over Time: Top baby names by year 2025
From the dataset Baby Name Popularity Over Time: Top baby names by year 2025, this data was extracted:
E2:E74016
January 11, 2026
This dataset represents the top male and female first names based on births registered in New Zealand during each year.