Is May 15 a rare birthday? Ordinary
More common than 59% of all 366 dates.
May 15 in numbers
The odds, the star sign and the other dates that come with it.
Where May 15 ranks
From most common birthday to rarest, May 15 ranks in position #150, with 10,893 births a year. 216 other dates are rarer. 69 dates are within 1% of its count, anywhere from #121 to #190, so the exact position is a close thing.
May 15 through the years
Where it ranked in the United States, year by year.
common
May 15 in other countries
May 15 is the 150th 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 Brazil to #354 in Costa Rica.
Brazil
#15 of 366
8,679 births on an average May 15
DATASUS, 1997–2024Ecuador
#16 of 366
810 births on an average May 15
INEC, 2013–2023Norway
#32 of 366
170 births on an average May 15
SSB, 2011–2025Portugal
#45 of 366
309 births on an average May 15
INE Portugal, 1980–2025Peru
#60 of 366
1,255 births on an average May 15
INEI, 2019–2025Switzerland
#76 of 366
228 births on an average May 15
FSO, 1969–2025Malaysia
#78 of 366
1,437 births on an average May 15
DOSM, 2000–2022Japan
#82 of 366
2,869 births on an average May 15
e-Stat, 1996–2025Belgium
#89 of 366
334 births on an average May 15
Statbel, 1992–2025England & Wales
#107 of 366
1,811 births on an average May 15
ONS, 1995–2025Hungary
#109 of 366
332 births on an average May 15
KSH, 1970–2020Latvia
#116 of 366
55 births on an average May 15
CSB, 1996–2025Germany
#118 of 366
2,100 births on an average May 15
Destatis, 2014–2025Argentina
#130 of 366
1,570 births on an average May 15
DEIS, 2018–2023France
#136 of 366
2,178 births on an average May 15
INSEE, 1998–2024Netherlands
#151 of 366
499 births on an average May 15
CBS, 1995–2025Philippines
#160 of 366
4,502 births on an average May 15
PSA, 2006–2024Finland
#169 of 366
142 births on an average May 15
Statistics Finland, 2010–2025Guatemala
#185 of 366
946 births on an average May 15
INE Guatemala, 2018–2024Slovenia
#196 of 366
53 births on an average May 15
SURS, 2000–2025Ireland
#204 of 366
167 births on an average May 15
CSO, 1980–2023Mexico
#217 of 366
4,936 births on an average May 15
INEGI, 2017–2023Chile
#225 of 366
684 births on an average May 15
DEIS, 1990–2017Denmark
#226 of 366
162 births on an average May 15
Statistics Denmark, 2007–2025New Zealand
#301 of 366
154 births on an average May 15
Stats NZ, 1980–2023Costa Rica
#354 of 366
155 births on an average May 15
INEC Costa Rica, 2014–2024
Famous people born on May 15
Ranked by how often people looked them up on Wikipedia last year.
Ousmane DembéléFrench footballer · born 1997
Andy MurrayBritish former tennis player · born 1987
Jamie-Lynn SiglerAmerican actress · born 1981
Brian EnoBritish musician · born 1948
Kevin Von ErichAmerican professional wrestler · born 1957
David KrumholtzAmerican actor · born 1978
Emmitt SmithAmerican football player · born 1969
Ray LewisAmerican football player · born 1975May against the other eleven
May 15 is the 4th most common of the 31 days in May. All May birthdays.
May is the 6th most common month of the year
An average May day sees 10,702 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on May 15?
About 10,893 a year in the United States. It was at its most common in 2001, when 12,829 babies were born and it ranked #55 of 365; at its rarest in 1977, with 7,521 births at #357.
Is May 15 a common birthday?
In the United States, May 15 is the 150th most common of 366 dates, with about 10,893 births a year. That makes it an ordinary birthday: neither rare nor especially common.
What is the rarest May birthday?
In the United States, May 27: the 20th rarest of all 366 dates, with about 10,322 births a year. The most common May birthday is May 24, the 105th most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 69 other dates are within 1% of May 15's count, spread from #121 to #190, 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 May 15 rarer in other countries?
In some. It is rarer in 11 of the 26 other countries we hold daily records for. It is at its rarest in Costa Rica, at #354 of 366, and at its most common in Brazil, 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