January 21 Birthday Statistics
People born on January 21 have a Aquarius birthday, the Garnet birthstone, and the Carnation and snowdrop birth flower. This date is day 21 of a leap-year calendar and has a U.S. birthday rank of #290 out of 366 (2000–2014 births).
January 21 Birthday Overview
A January 21 birthday falls in winter and carries the traditional symbols of January: Garnet as the birthstone and Carnation and snowdrop as the birth flower. The zodiac sign is Aquarius, a Air sign represented by the Water bearer.
The U.S. rank compares this date with all 366 calendar birthdays using recorded birth counts from 2000–2014. The counts and calculation method appear below.
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What Happened on January 21?
The curated event list does not include an exact same-date entry for this birthday. The What Happened on My Birthday? tool can show nearby date facts and related calendar notes.
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How Common Is January 21?
January 21 ranks #290 of 366 by total births in this U.S. dataset. The file records 164,719 births on this month and day across 2000–2014, or 0.265% of its 62,187,024 recorded births.
- Average when this date occurred
- 10,981.3 births across 15 occurrences
- Lowest recorded count for this date
- 7,563 in 2007
- Highest recorded count for this date
- 12,822 in 2009
These are historical counts for the United States, not a worldwide ranking or a forecast. Weekdays, holidays and year-to-year changes can affect the counts; this comparison does not establish their causes.
Source: U.S. births, 2000–2014, from the Social Security Administration dataset published by FiveThirtyEight. BirthdayStatistics.com aggregates the recorded counts by month and day. Data licensed CC BY 4.0. Method and limitations.