How common is a January 21 birthday?
January 21 ranks 302nd out of 366 days, averaging 10,866U.S. births per day between 1994 and 2014 — that's 17.5% more common than the rest of the calendar. Fewer babies arrive on your day than on a typical day of the year.
- Rank
- 302nd / 366
- Avg. daily births
- 10,866
- More common than
- 17.5% of days
- Zodiac
- Aquarius
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January 21 ranks 302nd out of 366 days, with an average of 10,866 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 16.
The days around it
Famous people born on Jan 21
No notable births recorded for this date.
Classic
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Jan
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Every cell is one day of the year — yours is outlined.
More about January 21
- Roughly 228,186 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 16.
- This is day 21 of the year — 302nd out of 366 for birth frequency.
- The sign is Aquarius, one of the twelve zodiac signs tracked across the full calendar.