Is September 16 a rare birthday? Very common
More common than 97% of all 366 dates.

September 16 in numbers
The odds, the star sign and the other dates that come with it.
Where September 16 ranks
From most common birthday to rarest, September 16 ranks in position #13, with 11,671 births a year. 353 other dates are rarer. 16 dates are within 1% of its count, anywhere from #5 to #21, so the exact position is a close thing.
September 16 through the years
Where it ranked in the United States, year by year.
common
September 16 in other countries
September 16 is the 13th most common birthday in the United States. It is among the 50 most common in 16 of the 26 other countries, and ranges from #1 in Portugal to #287 in Mexico.
Portugal
#1 of 366
330 births on an average September 16
INE Portugal, 1980–2025Philippines
#5 of 366
5,335 births on an average September 16
PSA, 2006–2024Slovenia
#12 of 366
59 births on an average September 16
SURS, 2000–2025Germany
#14 of 366
2,255 births on an average September 16
Destatis, 2014–2025Hungary
#14 of 366
350 births on an average September 16
KSH, 1970–2020Costa Rica
#16 of 366
183 births on an average September 16
INEC Costa Rica, 2014–2024Guatemala
#16 of 366
1,042 births on an average September 16
INE Guatemala, 2018–2024Netherlands
#17 of 366
533 births on an average September 16
CBS, 1995–2025England & Wales
#19 of 366
1,875 births on an average September 16
ONS, 1995–2025New Zealand
#21 of 366
167 births on an average September 16
Stats NZ, 1980–2023Peru
#22 of 366
1,280 births on an average September 16
INEI, 2019–2025Chile
#24 of 366
735 births on an average September 16
DEIS, 1990–2017Ireland
#25 of 366
176 births on an average September 16
CSO, 1980–2023Belgium
#28 of 366
344 births on an average September 16
Statbel, 1992–2025Ecuador
#29 of 366
803 births on an average September 16
INEC, 2013–2023France
#48 of 366
2,231 births on an average September 16
INSEE, 1998–2024Finland
#51 of 366
148 births on an average September 16
Statistics Finland, 2010–2025Switzerland
#55 of 366
230 births on an average September 16
FSO, 1969–2025Latvia
#63 of 366
57 births on an average September 16
CSB, 1996–2025Malaysia
#87 of 366
1,427 births on an average September 16
DOSM, 2000–2022Japan
#88 of 366
2,865 births on an average September 16
e-Stat, 1996–2025Denmark
#89 of 366
173 births on an average September 16
Statistics Denmark, 2007–2025Brazil
#151 of 366
8,126 births on an average September 16
DATASUS, 1997–2024Norway
#151 of 366
159 births on an average September 16
SSB, 2011–2025Argentina
#240 of 366
1,457 births on an average September 16
DEIS, 2018–2023Mexico
#287 of 366
4,817 births on an average September 16
INEGI, 2017–2023
Famous people born on September 16
Ranked by how often people looked them up on Wikipedia last year.
Mickey RourkeAmerican actor · born 1952
Alexis BledelAmerican actress and model · born 1981
Nick JonasAmerican musician and actor · born 1992
Bryson DeChambeauAmerican professional golfer · born 1993
Amy PoehlerAmerican actress and comedian · born 1971
Henry V of EnglandKing of England from 1413 to 1422 · born 1386
Jennifer TillyAmerican actress · born 1958
Lee Kuan YewPrime Minister of Singapore from 1959 to 1990 · born 1923September against the other eleven
September 16 is the 11th most common of the 30 days in September. All September birthdays.
September is the most common month of the year
An average September day sees 11,448 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on September 16?
About 11,671 a year in the United States. It was at its most common in 1986, when 12,301 babies were born and it ranked #2 of 365; at its rarest in 2007, with 8,181 births at #310.
Is September 16 a common birthday?
In the United States, September 16 is the 13th most common of 366 dates, with about 11,671 births a year. That puts it among the more common birthdays.
What is the rarest September birthday?
In the United States, September 2: the 118th rarest of all 366 dates, with about 10,653 births a year. The most common September birthday is September 9, the most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 16 other dates are within 1% of September 16's count, spread from #5 to #21, 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 September 16 rarer in other countries?
In some. It is rarer in 23 of the 26 other countries we hold daily records for. It is at its rarest in Mexico, at #287 of 366, and at its most common in Portugal, at #1.
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