The top 5 rarest birthdays in the United States are:
- December 25 (Christmas Day): This is the least common birthday due to its association with a major holiday.
- January 1 (New Year's Day): Similar to Christmas Day, it falls on a holiday, resulting in fewer births.
- December 24 (Christmas Eve): Another holiday-related birthday that experiences a drop in births.
- July 4 (Independence Day): This day sees fewer births due to the national holiday.
- February 29 (Leap Day): This day only occurs every four years, making it naturally the rarest birthday.
While these are considered the rarest birthdays, it's important to note that birth rates can fluctuate slightly each year.
