Is August 13 a rare birthday? Ordinary
More common than 72% of all 366 dates.

August 13 in numbers
The odds, the star sign and the other dates that come with it.
Where August 13 ranks
From most common birthday to rarest, August 13 ranks in position #103, with 11,121 births a year. 263 other dates are rarer. 26 dates are within 1% of its count, anywhere from #92 to #118, so the exact position is a close thing.
August 13 through the years
Where it ranked in the United States, year by year.
common
August 13 in other countries
August 13 is the 103rd most common birthday in the United States. It is among the 50 most common in 1 of the 26 other countries, and ranges from #27 in Denmark to #307 in Brazil.
Denmark
#27 of 366
178 births on an average August 13
Statistics Denmark, 2007–2025Belgium
#61 of 366
338 births on an average August 13
Statbel, 1992–2025Netherlands
#71 of 366
520 births on an average August 13
CBS, 1995–2025Finland
#76 of 366
147 births on an average August 13
Statistics Finland, 2010–2025Hungary
#77 of 366
338 births on an average August 13
KSH, 1970–2020Portugal
#95 of 366
303 births on an average August 13
INE Portugal, 1980–2025France
#101 of 366
2,197 births on an average August 13
INSEE, 1998–2024New Zealand
#108 of 366
159 births on an average August 13
Stats NZ, 1980–2023Norway
#114 of 366
162 births on an average August 13
SSB, 2011–2025Germany
#116 of 366
2,111 births on an average August 13
Destatis, 2014–2025Slovenia
#116 of 366
55 births on an average August 13
SURS, 2000–2025Malaysia
#141 of 366
1,407 births on an average August 13
DOSM, 2000–2022Latvia
#147 of 366
55 births on an average August 13
CSB, 1996–2025Costa Rica
#182 of 366
167 births on an average August 13
INEC Costa Rica, 2014–2024Mexico
#193 of 366
4,988 births on an average August 13
INEGI, 2017–2023Ireland
#195 of 366
167 births on an average August 13
CSO, 1980–2023England & Wales
#198 of 366
1,778 births on an average August 13
ONS, 1995–2025Guatemala
#214 of 366
939 births on an average August 13
INE Guatemala, 2018–2024Japan
#253 of 366
2,733 births on an average August 13
e-Stat, 1996–2025Philippines
#256 of 366
4,324 births on an average August 13
PSA, 2006–2024Chile
#268 of 366
679 births on an average August 13
DEIS, 1990–2017Switzerland
#279 of 366
216 births on an average August 13
FSO, 1969–2025Ecuador
#282 of 366
736 births on an average August 13
INEC, 2013–2023Peru
#283 of 366
1,148 births on an average August 13
INEI, 2019–2025Argentina
#284 of 366
1,410 births on an average August 13
DEIS, 2018–2023Brazil
#307 of 366
7,517 births on an average August 13
DATASUS, 1997–2024
Famous people born on August 13
Ranked by how often people looked them up on Wikipedia last year.
Alfred HitchcockEnglish filmmaker · born 1899
Sebastian StanRomanian and American actor · born 1982
Fidel CastroLeader of Cuba from 1959 to 2011 · born 1926
SrideviIndian actress · born 1963
Debi MazarAmerican actress · born 1964
Alan ShearerEnglish former footballer and pundit · born 1970
Demetrious JohnsonAmerican mixed martial artist · born 1986
John SlatteryAmerican actor and director · born 1962August against the other eleven
August 13 is the rarest of the 31 days in August. All August birthdays.
August is the 2nd most common month of the year
An average August day sees 11,405 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on August 13?
About 11,121 a year in the United States. It was at its most common in 1974, when 10,213 babies were born and it ranked #6 of 365; at its rarest in 2006, with 7,871 births at #323.
Is August 13 a common birthday?
In the United States, August 13 is the 103rd most common of 366 dates, with about 11,121 births a year. That makes it an ordinary birthday: neither rare nor especially common.
What is the rarest August birthday?
In the United States, August 13: the 103rd most common of all 366 dates, with about 11,121 births a year. The most common August birthday is August 16, the 16th most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 26 other dates are within 1% of August 13's count, spread from #92 to #118, 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 August 13 rarer in other countries?
In some. It is rarer in 19 of the 26 other countries we hold daily records for. It is at its rarest in Brazil, at #307 of 366, and at its most common in Denmark, at #27.
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