Annual births by age of mother

Number of annual live births by broad age group of mother in England and Wales for mid-year to mid-year periods from 1 July 2000 to 30 June 2020.

Original data for Lower Super Output Areas (LSOA) published by the Office for National Statistics here and here. Data aggregated to higher geographies by the Greater London Authority.

Data and Resources

birthsbyward20midyear01to20.csv

data best fit and aggregated to 2020 ward boundaries
birthsbylad20midyear01to20.csv

data aggregated to 2020 local authority districts
birthsbymsoamidyear01to20.csv

data aggregated to 2011 MSOAs
birthsbylad11midyear01to20.csv

data aggregated to 2011 local authority districts
birthsbyregionmidyear01to20.csv

data aggregated to regions

Additional Info

Field	Value
Source	https://data.london.gov.uk/dataset/annual-births-by-age-of-mother-v864q
Last Updated	December 11, 2025, 17:02 (UTC)
Created	October 23, 2025, 10:03 (UTC)