U.K. data reveals September 27 as most common birthday while December 26 ranks least popular

A new tool from the Daily Mail reveals the popularity of birthdays in the U.K. from 1995 to 2023. September 27 is the most common birthday, with an average of 1,944 births, while December 26 is the least common, averaging 1,311 births. The analysis shows that September birthdays are popular due to couples planning for school year age and holiday conceptions. Other notable dates include Christmas Day as the second least common and New Year’s Day ranking 364th. The data indicates a total of 19,051,773 live births in England and Wales during the period, with 2023 seeing the lowest average births since the late 1970s. Similar trends are observed in the U.S., where September is also the most popular month.