Is May 27 a rare birthday? Rare
Rarer than 95% of all 366 dates.
May 27 in numbers
The odds, the star sign and the other dates that come with it.
Where May 27 ranks
From most common birthday to rarest, May 27 ranks in position #347, with 10,322 births a year. 346 other dates are more common. 18 dates are within 1% of its count, anywhere from #331 to #349, so the exact position is a close thing.
May 27 through the years
Where it ranked in the United States, year by year.
common
May 27 in other countries
May 27 is the 20th rarest birthday in the United States. It is among the 50 rarest in 1 of the 26 other countries, and ranges from #91 in Norway to #341 in Mexico.
Norway
#91 of 366
164 births on an average May 27
SSB, 2011–2025Brazil
#95 of 366
8,334 births on an average May 27
DATASUS, 1997–2024Belgium
#96 of 366
334 births on an average May 27
Statbel, 1992–2025Ecuador
#103 of 366
783 births on an average May 27
INEC, 2013–2023Germany
#120 of 366
2,093 births on an average May 27
Destatis, 2014–2025Ireland
#120 of 366
170 births on an average May 27
CSO, 1980–2023Latvia
#129 of 366
55 births on an average May 27
CSB, 1996–2025Argentina
#137 of 366
1,559 births on an average May 27
DEIS, 2018–2023Portugal
#139 of 366
300 births on an average May 27
INE Portugal, 1980–2025Denmark
#149 of 366
167 births on an average May 27
Statistics Denmark, 2007–2025Finland
#165 of 366
142 births on an average May 27
Statistics Finland, 2010–2025Malaysia
#178 of 366
1,398 births on an average May 27
DOSM, 2000–2022France
#198 of 366
2,140 births on an average May 27
INSEE, 1998–2024Peru
#199 of 366
1,195 births on an average May 27
INEI, 2019–2025England & Wales
#211 of 366
1,773 births on an average May 27
ONS, 1995–2025Slovenia
#212 of 366
52 births on an average May 27
SURS, 2000–2025Netherlands
#215 of 366
493 births on an average May 27
CBS, 1995–2025Hungary
#232 of 366
324 births on an average May 27
KSH, 1970–2020Switzerland
#232 of 366
220 births on an average May 27
FSO, 1969–2025Guatemala
#258 of 366
926 births on an average May 27
INE Guatemala, 2018–2024Chile
#274 of 366
678 births on an average May 27
DEIS, 1990–2017Japan
#275 of 366
2,718 births on an average May 27
e-Stat, 1996–2025New Zealand
#298 of 366
154 births on an average May 27
Stats NZ, 1980–2023Philippines
#301 of 366
4,233 births on an average May 27
PSA, 2006–2024Costa Rica
#312 of 366
160 births on an average May 27
INEC Costa Rica, 2014–2024Mexico
#341 of 366
4,649 births on an average May 27
INEGI, 2017–2023
Famous people born on May 27
Ranked by how often people looked them up on Wikipedia last year.
Lily-Rose DeppFrench and American actress and singer · born 1999
Christopher LeeEnglish actor and singer · born 1922
Henry KissingerAmerican diplomat and politician · born 1923
Matheus CunhaBrazilian footballer · born 1999
Paul BettanyEnglish actor · born 1971
Joseph FiennesEnglish actor · born 1970
Daniel JonesAmerican football player · born 1997
Lisa LopesAmerican rapper · born 1971May 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 27?
About 10,322 a year in the United States. It was at its most common in 2009, when 14,130 babies were born and it ranked #5 of 365; at its rarest in 1979, with 7,945 births at #359.
Is May 27 a common birthday?
In the United States, May 27 is the 20th rarest of 366 dates, with about 10,322 births a year. That puts it on the rarer side of the calendar.
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. 18 other dates are within 1% of May 27's count, spread from #331 to #349, 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 27 rarer in other countries?
No. May 27 is more common in all 26 other countries we hold daily records for than it is in the United States. It is at its rarest in Mexico, at #341 of 366, and at its most common in Norway, at #91.
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