Ranked: The Most and Least Common Birthdays in America
How Common Is Your Birthday in America?
Key Takeaways
- Eight of America’s 10 most common birthdays fall in September, reflecting a strong seasonal pattern in births.
- Major holidays are among the least common birthdays, a pattern that may partly reflect the scheduling of planned deliveries around these dates.
- December shows a striking contrast: Christmas Day is the rarest regularly occurring birthday, while December 28 ranks sixth most common.
Have you ever wondered how many people share your birthday?

