Registered births by age of mother and nuptiality, Australia, 1975 onwards

Births registered in Australia each year since 1975 by single year of the mother's age and by whether the parents were married, from the ABS. Updated yearly.

This is the 2026-10-03 version of this dataset on publicdata.au, with 7,400 rows and 6 fields. The same version is kept at https://publicdata.au/d/au-births-by-age-of-mother/v/2026-10-03/ in 9 formats, with every earlier version and a query API. Each Zenodo version of this record is one publicdata.au version.

The data is published by Australian Bureau of Statistics under CC BY 4.0, https://creativecommons.org/licenses/by/4.0/. The licence requires this attribution:

Australian Bureau of Statistics, Registered births, nuptiality by age of mother, 1975 onwards (BIRTHS_AGE_MOTHER), ABS Data Explorer, sourced 3 October 2026, https://explore.data.abs.gov.au/vis?df[ds]=ABS_ABS_TOPICS&df[id]=BIRTHS_AGE_MOTHER&df[ag]=ABS&df[vs]=1.0.0, licensed under CC BY 4.0.

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The rows are in data.parquet, data.csv, data.json and data.xlsx. schema.json describes the fields, and publicdata.json names the version, licence, attribution and the SHA-256 of the publisher's file.