Is October 21 a rare birthday? Ordinary
Rarer than 62% of all 366 dates.
October 21 in numbers
The odds, the star sign and the other dates that come with it.
Where October 21 ranks
From most common birthday to rarest, October 21 ranks in position #229, with 10,696 births a year. 228 other dates are more common. 93 dates are within 1% of its count, anywhere from #183 to #276, so the exact position is a close thing.
October 21 through the years
Where it ranked in the United States, year by year.
common
October 21 in other countries
October 21 is the 138th rarest birthday in the United States. It is among the 50 rarest in 3 of the 26 other countries, and ranges from #38 in Malaysia to #338 in Argentina.
Malaysia
#38 of 366
1,471 births on an average October 21
DOSM, 2000–2022New Zealand
#42 of 366
163 births on an average October 21
Stats NZ, 1980–2023Philippines
#63 of 366
4,940 births on an average October 21
PSA, 2006–2024Costa Rica
#102 of 366
173 births on an average October 21
INEC Costa Rica, 2014–2024Chile
#111 of 366
699 births on an average October 21
DEIS, 1990–2017Mexico
#115 of 366
5,188 births on an average October 21
INEGI, 2017–2023Portugal
#118 of 366
301 births on an average October 21
INE Portugal, 1980–2025France
#133 of 366
2,179 births on an average October 21
INSEE, 1998–2024Germany
#149 of 366
2,044 births on an average October 21
Destatis, 2014–2025Belgium
#157 of 366
329 births on an average October 21
Statbel, 1992–2025England & Wales
#163 of 366
1,794 births on an average October 21
ONS, 1995–2025Japan
#180 of 366
2,780 births on an average October 21
e-Stat, 1996–2025Denmark
#190 of 366
164 births on an average October 21
Statistics Denmark, 2007–2025Finland
#194 of 366
140 births on an average October 21
Statistics Finland, 2010–2025Slovenia
#197 of 366
53 births on an average October 21
SURS, 2000–2025Peru
#218 of 366
1,187 births on an average October 21
INEI, 2019–2025Netherlands
#225 of 366
492 births on an average October 21
CBS, 1995–2025Ecuador
#245 of 366
749 births on an average October 21
INEC, 2013–2023Guatemala
#272 of 366
922 births on an average October 21
INE Guatemala, 2018–2024Hungary
#294 of 366
316 births on an average October 21
KSH, 1970–2020Norway
#300 of 366
143 births on an average October 21
SSB, 2011–2025Ireland
#310 of 366
163 births on an average October 21
CSO, 1980–2023Brazil
#312 of 366
7,500 births on an average October 21
DATASUS, 1997–2024Latvia
#321 of 366
50 births on an average October 21
CSB, 1996–2025Switzerland
#326 of 366
209 births on an average October 21
FSO, 1969–2025Argentina
#338 of 366
1,339 births on an average October 21
DEIS, 2018–2023
Famous people born on October 21
Ranked by how often people looked them up on Wikipedia last year.
Benjamin NetanyahuPrime Minister of Israel (1996–1999; 2009–2021; 2022–present) · born 1949
Glen PowellAmerican actor · born 1988
Kim KardashianAmerican media personality · born 1980
Carrie FisherAmerican actress and writer · born 1956
Doja CatAmerican rapper · born 1995
Andrew ScottIrish actor · born 1976
Judy SheindlinAmerican court-show arbitrator · born 1942
Peter MandelsonBritish politician and diplomat · born 1953October against the other eleven
October 21 is the 5th rarest of the 31 days in October. All October birthdays.
October is the 5th most common month of the year
An average October day sees 10,872 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on October 21?
About 10,696 a year in the United States. It was at its most common in 1969, when 10,674 babies were born and it ranked #56 of 365; at its rarest in 1973, with 7,046 births at #359.
Is October 21 a common birthday?
In the United States, October 21 is the 138th rarest of 366 dates, with about 10,696 births a year. That makes it an ordinary birthday: neither rare nor especially common.
What is the rarest October birthday?
In the United States, October 31: the 11th rarest of all 366 dates, with about 9,798 births a year. The most common October birthday is October 1, the 71st most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 93 other dates are within 1% of October 21's count, spread from #183 to #276, so the position inside that group would shift with a different set of years. That band is the accurate answer; the rank is the simple one. At the ends — Christmas Day, New Year's Day — nothing is close.
Is October 21 rarer in other countries?
In some. It is rarer in 9 of the 26 other countries we hold daily records for. It is at its rarest in Argentina, at #338 of 366, and at its most common in Malaysia, at #38.
How this is counted
Every date is ranked by how many babies are born on it in the United States. Live births by day of birth from the CDC's National Center for Health Statistics, 1989–2024.
Updated October 2026