KeptStars research · birthdays
Calculated 2026-11-09.

Install openpyxl. Run python analyze.py. Original ONS workbook and chart data are included. Table12 is the source; Table6 and published chart averages provide cross-checks. Keep ONS OGLv3 attribution.

DATA LICENCE: Open Government Licence v3.0
https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/
KeptStars Team; Contains public sector information licensed under the Open Government Licence v3.0. Source: Office for National Statistics.

Public study: https://keptstars.com/blog/birthday-frequency-england-wales
Method and limitations: method.json
