How common is a December 31 birthday?
December 31 ranks 349th out of 366 days, averaging 10,433U.S. births per day between 1994 and 2014 — that's 4.7% more common than the rest of the calendar. Fewer babies arrive on your day than on a typical day of the year.
- Rank
- 349th / 366
- Avg. daily births
- 10,433
- More common than
- 4.7% of days
- Zodiac
- Capricorn
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December 31 ranks 349th out of 366 days, with an average of 10,433 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 March 26.
The days around it
Famous people born on Dec 31
- Anthony Hopkins · b. 1937actor
Classic
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Every cell is one day of the year — yours is outlined.
More about December 31
- Roughly 219,093 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 March 26.
- This is day 366 of the year — 349th out of 366 for birth frequency.
- The sign is Capricorn, one of the twelve zodiac signs tracked across the full calendar.