Is July 21 a rare birthday? Popular
More common than 83% of all 366 dates.
July 21 in numbers
The odds, the star sign and the other dates that come with it.
Where July 21 ranks
From most common birthday to rarest, July 21 ranks in position #64, with 11,343 births a year. 302 other dates are rarer. 53 dates are within 1% of its count, anywhere from #38 to #91, so the exact position is a close thing.
July 21 through the years
Where it ranked in the United States, year by year.
common
July 21 in other countries
July 21 is the 64th most common birthday in the United States. It is among the 50 most common in 7 of the 26 other countries, and ranges from #12 in Denmark to #360 in Belgium.
Denmark
#12 of 366
181 births on an average July 21
Statistics Denmark, 2007–2025Germany
#16 of 366
2,251 births on an average July 21
Destatis, 2014–2025Hungary
#22 of 366
349 births on an average July 21
KSH, 1970–2020France
#30 of 366
2,251 births on an average July 21
INSEE, 1998–2024Ireland
#31 of 366
175 births on an average July 21
CSO, 1980–2023Slovenia
#32 of 366
58 births on an average July 21
SURS, 2000–2025Finland
#33 of 366
149 births on an average July 21
Statistics Finland, 2010–2025England & Wales
#56 of 366
1,834 births on an average July 21
ONS, 1995–2025Latvia
#69 of 366
57 births on an average July 21
CSB, 1996–2025Netherlands
#92 of 366
516 births on an average July 21
CBS, 1995–2025Switzerland
#94 of 366
227 births on an average July 21
FSO, 1969–2025Norway
#97 of 366
163 births on an average July 21
SSB, 2011–2025Portugal
#104 of 366
303 births on an average July 21
INE Portugal, 1980–2025Mexico
#142 of 366
5,118 births on an average July 21
INEGI, 2017–2023Japan
#184 of 366
2,779 births on an average July 21
e-Stat, 1996–2025Philippines
#207 of 366
4,400 births on an average July 21
PSA, 2006–2024Brazil
#213 of 366
7,900 births on an average July 21
DATASUS, 1997–2024Ecuador
#216 of 366
758 births on an average July 21
INEC, 2013–2023Malaysia
#237 of 366
1,382 births on an average July 21
DOSM, 2000–2022New Zealand
#238 of 366
156 births on an average July 21
Stats NZ, 1980–2023Costa Rica
#259 of 366
163 births on an average July 21
INEC Costa Rica, 2014–2024Peru
#270 of 366
1,158 births on an average July 21
INEI, 2019–2025Chile
#297 of 366
675 births on an average July 21
DEIS, 1990–2017Argentina
#318 of 366
1,377 births on an average July 21
DEIS, 2018–2023Guatemala
#342 of 366
887 births on an average July 21
INE Guatemala, 2018–2024Belgium
#360 of 366
243 births on an average July 21
Statbel, 1992–2025
Famous people born on July 21
Ranked by how often people looked them up on Wikipedia last year.
Robin WilliamsAmerican actor and comedian · born 1951
Erling HaalandNorwegian footballer · born 2000
Ernest HemingwayAmerican author and journalist · born 1899
Josh HartnettAmerican actor · born 1978
Betty GilpinAmerican actress · born 1986
Juno TempleBritish actress · born 1989
Rory CulkinAmerican actor · born 1989
Cat StevensBritish musician · born 1948July against the other eleven
July 21 is the 16th rarest of the 31 days in July. All July birthdays.
July is the 3rd most common month of the year
An average July day sees 11,238 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on July 21?
About 11,343 a year in the United States. It was at its most common in 1992, when 12,924 babies were born and it ranked #6 of 366; at its rarest in 1974, with 7,433 births at #339.
Is July 21 a common birthday?
In the United States, July 21 is the 64th most common of 366 dates, with about 11,343 births a year. That puts it among the more common birthdays.
What is the rarest July birthday?
In the United States, July 4: the 4th rarest of all 366 dates, with about 8,692 births a year. The most common July birthday is July 7, the 5th most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 53 other dates are within 1% of July 21's count, spread from #38 to #91, 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 July 21 rarer in other countries?
In some. It is rarer in 18 of the 26 other countries we hold daily records for. It is at its rarest in Belgium, at #360 of 366, and at its most common in Denmark, at #12.
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