Lifestyle The most and least common birthdays have been revealed — and they may surprise you By Eric Todisco Published Jan. 5, 2025, 11:33 a.m. ET ...

Of the other holidays on the most popular birthday list, New Year’s Day (January 1) is 364th, Valentine’s Day (February 14) is 185th, St. Patrick’s Day (March 17) is 284th, July 4th is 46th ...

The least common birthday is leap day, or February 29. But because the day only occurs once every four years, it’s obvious it would yield the least amount of birthdays.

Friends celebrating someone’s birthday. Getty Images/iStockphoto Unsurprisingly, Christmas Day (December 25) is the second least-common birthday, with an average of 1,378 births each year.