How common is a March 31 birthday?
March 31 ranks 314th out of 366 days, averaging 10,807U.S. births per day between 1994 and 2014 — that's 14.2% more common than the rest of the calendar. Fewer babies arrive on your day than on a typical day of the year.
- Rank
- 314th / 366
- Avg. daily births
- 10,807
- More common than
- 14.2% of days
- Zodiac
- Aries
Get a personalized, frameable print of your birthday
Order now · $5Your birthday is less common than average
March 31 ranks 314th out of 366 days, with an average of 10,807 births per day. Fewer babies arrive on your day than on a typical day of the year.
Based on a typical 40-week pregnancy, you were likely conceived around June 25.
The days around it
Famous people born on Mar 31
- Johann Sebastian Bach · b. 1685composer
Classic
Love this? Get a personalized print of your birthday's rarity — ready to frame.
Order a print →Where Mar 31 sits on the calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every cell is one day of the year — yours is outlined.
More about March 31
- Roughly 226,947 people across the U.S. share this exact birthday, based on 21 years of records.
- Babies born on this date were most likely conceived around June 25.
- This is day 91 of the year — 314th out of 366 for birth frequency.
- The sign is Aries, one of the twelve zodiac signs tracked across the full calendar.