Births by month, 1933-2015 (United States) and 1938-1991 (England & Wales)



A tibble with 1,644 rows and 6 columns.


UK Office of National Statistics; US Census Bureau.


The variables are as follows:

  • date. Year and month. (Day is arbitrarily set to 01 for all observations, data are monthly.)

  • month. Month of the year (1-12).

  • n_days. The number of days in a given month/year date.

  • births. Total live births for that month.

  • total_pop. National population estimate for that month.

  • country. United States or England & Wales.