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How common is a January 31 birthday?

January 31 ranks 279th out of 366 days, averaging 10,927U.S. births per day between 1994 and 2014 — that's 23.8% more common than the rest of the calendar. Fewer babies arrive on your day than on a typical day of the year.

Rank
279th / 366
Avg. daily births
10,927
More common than
23.8% of days
Zodiac
Aquarius
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Your birthday is less common than average

January 31 ranks 279th out of 366 days, with an average of 10,927 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 April 26.

The days around it

Famous people born on Jan 31

No notable births recorded for this date.

YOUR BIRTHDAYJanuary 31 is quietly uncommonRanks 279th of 366 · 10,927 births/day#279SOURCE: CDC / SSA · 1994–2014BDAYRANK.COM
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Where Jan 31 sits on the calendar

Jan
Feb
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Every cell is one day of the year — yours is outlined.

More about January 31

  • Roughly 229,467 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 April 26.
  • This is day 31 of the year — 279th out of 366 for birth frequency.
  • The sign is Aquarius, one of the twelve zodiac signs tracked across the full calendar.