Is August 4 a rare birthday? Popular
More common than 78% of all 366 dates.
August 4 in numbers
The odds, the star sign and the other dates that come with it.
Where August 4 ranks
From most common birthday to rarest, August 4 ranks in position #81, with 11,289 births a year. 285 other dates are rarer. 47 dates are within 1% of its count, anywhere from #50 to #97, so the exact position is a close thing.
August 4 through the years
Where it ranked in the United States, year by year.
common
August 4 in other countries
August 4 is the 81st most common birthday in the United States. It is among the 50 most common in 4 of the 26 other countries, and ranges from #15 in Finland to #303 in Argentina.
Finland
#15 of 366
151 births on an average August 4
Statistics Finland, 2010–2025Germany
#36 of 366
2,218 births on an average August 4
Destatis, 2014–2025Belgium
#40 of 366
341 births on an average August 4
Statbel, 1992–2025Hungary
#42 of 366
345 births on an average August 4
KSH, 1970–2020Denmark
#53 of 366
176 births on an average August 4
Statistics Denmark, 2007–2025Norway
#54 of 366
167 births on an average August 4
SSB, 2011–2025France
#58 of 366
2,222 births on an average August 4
INSEE, 1998–2024Slovenia
#70 of 366
56 births on an average August 4
SURS, 2000–2025Japan
#72 of 366
2,883 births on an average August 4
e-Stat, 1996–2025New Zealand
#84 of 366
160 births on an average August 4
Stats NZ, 1980–2023Netherlands
#86 of 366
518 births on an average August 4
CBS, 1995–2025England & Wales
#94 of 366
1,817 births on an average August 4
ONS, 1995–2025Mexico
#112 of 366
5,193 births on an average August 4
INEGI, 2017–2023Latvia
#124 of 366
55 births on an average August 4
CSB, 1996–2025Costa Rica
#135 of 366
171 births on an average August 4
INEC Costa Rica, 2014–2024Portugal
#150 of 366
299 births on an average August 4
INE Portugal, 1980–2025Ecuador
#152 of 366
771 births on an average August 4
INEC, 2013–2023Switzerland
#152 of 366
224 births on an average August 4
FSO, 1969–2025Philippines
#217 of 366
4,385 births on an average August 4
PSA, 2006–2024Malaysia
#224 of 366
1,385 births on an average August 4
DOSM, 2000–2022Brazil
#238 of 366
7,805 births on an average August 4
DATASUS, 1997–2024Ireland
#262 of 366
165 births on an average August 4
CSO, 1980–2023Chile
#269 of 366
679 births on an average August 4
DEIS, 1990–2017Peru
#272 of 366
1,157 births on an average August 4
INEI, 2019–2025Guatemala
#280 of 366
919 births on an average August 4
INE Guatemala, 2018–2024Argentina
#303 of 366
1,393 births on an average August 4
DEIS, 2018–2023
Famous people born on August 4
Ranked by how often people looked them up on Wikipedia last year.
Barack ObamaPresident of the United States from 2009 to 2017 · born 1961
Billy Bob ThorntonAmerican actor, filmmaker, and singer-songwriter · born 1955
Meghan, Duchess of SussexAmerican member of the British royal family · born 1981
Daniel Dae KimAmerican actor · born 1968
Greta GerwigAmerican actress and filmmaker · born 1983
Kishore KumarIndian singer and actor · born 1929
Louis ArmstrongAmerican jazz trumpeter and singer · born 1901
Cole SprouseAmerican actor · born 1992August against the other eleven
August 4 is the 6th 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 4?
About 11,289 a year in the United States. It was at its most common in 1981, when 11,697 babies were born and it ranked #1 of 365; at its rarest in 2002, with 7,689 births at #325.
Is August 4 a common birthday?
In the United States, August 4 is the 81st most common of 366 dates, with about 11,289 births a year. That puts it among the more common birthdays.
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. 47 other dates are within 1% of August 4's count, spread from #50 to #97, 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 4 rarer in other countries?
In some. It is rarer in 17 of the 26 other countries we hold daily records for. It is at its rarest in Argentina, at #303 of 366, and at its most common in Finland, at #15.
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