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How common is a May 21 birthday?

May 21 ranks 132nd out of 366 days, averaging 11,298U.S. births per day between 1994 and 2014 — that's 64.1% more common than the rest of the calendar. More babies arrive on your day than on a typical day of the year.

Rank
132nd / 366
Avg. daily births
11,298
More common than
64.1% of days
Zodiac
Gemini
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Your birthday is more common than average

May 21 ranks 132nd out of 366 days, with an average of 11,298 births per day. More 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 August 15.

The days around it

Famous people born on May 21

No notable births recorded for this date.

YOUR BIRTHDAYMay 21 is reliably popularRanks 132nd of 366 · 11,298 births/day#132SOURCE: CDC / SSA · 1994–2014BDAYRANK.COM
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Where May 21 sits on the calendar

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

More about May 21

  • Roughly 237,258 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 August 15.
  • This is day 142 of the year — 132nd out of 366 for birth frequency.
  • The sign is Gemini, one of the twelve zodiac signs tracked across the full calendar.