Is September 28 a rare birthday? Popular
More common than 88% of all 366 dates.
September 28 in numbers
The odds, the star sign and the other dates that come with it.
Where September 28 ranks
From most common birthday to rarest, September 28 ranks in position #45, with 11,428 births a year. 321 other dates are rarer. 54 dates are within 1% of its count, anywhere from #24 to #78, so the exact position is a close thing.
September 28 through the years
Where it ranked in the United States, year by year.
common
September 28 in other countries
September 28 is the 45th most common birthday in the United States. It is among the 50 most common in 17 of the 26 other countries, and ranges from #3 in New Zealand to #257 in Brazil.
New Zealand
#3 of 366
171 births on an average September 28
Stats NZ, 1980–2023France
#6 of 366
2,277 births on an average September 28
INSEE, 1998–2024Finland
#11 of 366
152 births on an average September 28
Statistics Finland, 2010–2025Ireland
#11 of 366
183 births on an average September 28
CSO, 1980–2023England & Wales
#14 of 366
1,895 births on an average September 28
ONS, 1995–2025Malaysia
#15 of 366
1,502 births on an average September 28
DOSM, 2000–2022Netherlands
#15 of 366
534 births on an average September 28
CBS, 1995–2025Portugal
#16 of 366
319 births on an average September 28
INE Portugal, 1980–2025Denmark
#18 of 366
180 births on an average September 28
Statistics Denmark, 2007–2025Mexico
#18 of 366
5,710 births on an average September 28
INEGI, 2017–2023Philippines
#18 of 366
5,192 births on an average September 28
PSA, 2006–2024Japan
#22 of 366
2,985 births on an average September 28
e-Stat, 1996–2025Chile
#27 of 366
726 births on an average September 28
DEIS, 1990–2017Germany
#28 of 366
2,238 births on an average September 28
Destatis, 2014–2025Switzerland
#33 of 366
232 births on an average September 28
FSO, 1969–2025Slovenia
#45 of 366
58 births on an average September 28
SURS, 2000–2025Guatemala
#46 of 366
1,000 births on an average September 28
INE Guatemala, 2018–2024Costa Rica
#52 of 366
178 births on an average September 28
INEC Costa Rica, 2014–2024Hungary
#90 of 366
335 births on an average September 28
KSH, 1970–2020Norway
#106 of 366
162 births on an average September 28
SSB, 2011–2025Latvia
#118 of 366
55 births on an average September 28
CSB, 1996–2025Belgium
#125 of 366
331 births on an average September 28
Statbel, 1992–2025Peru
#132 of 366
1,219 births on an average September 28
INEI, 2019–2025Ecuador
#196 of 366
761 births on an average September 28
INEC, 2013–2023Argentina
#199 of 366
1,494 births on an average September 28
DEIS, 2018–2023Brazil
#257 of 366
7,733 births on an average September 28
DATASUS, 1997–2024
Famous people born on September 28
Ranked by how often people looked them up on Wikipedia last year.
Brigitte BardotFrench actress and activist · born 1934
Naomi WattsBritish actress · born 1968
Hilary DuffAmerican actress and singer · born 1987
Sheikh HasinaPrime Minister of Bangladesh (1996–2001; 2009–2024) · born 1947
Ranbir KapoorIndian actor · born 1982
Bam MargeraAmerican skateboarder and stuntman · born 1979
Isack HadjarFrench and Algerian racing driver · born 2004
Mira SorvinoAmerican actress · born 1967September against the other eleven
September 28 is the 11th rarest 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 28?
About 11,428 a year in the United States. It was at its most common in 1971, when 11,472 babies were born and it ranked #1 of 365; at its rarest in 2008, with 7,798 births at #321.
Is September 28 a common birthday?
In the United States, September 28 is the 45th most common of 366 dates, with about 11,428 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. 54 other dates are within 1% of September 28's count, spread from #24 to #78, 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 28 rarer in other countries?
In some. It is rarer in 10 of the 26 other countries we hold daily records for. It is at its rarest in Brazil, at #257 of 366, and at its most common in New Zealand, at #3.
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