Is May 4 a rare birthday? Ordinary
Rarer than 61% of all 366 dates.
May 4 in numbers
The odds, the star sign and the other dates that come with it.
Where May 4 ranks
From most common birthday to rarest, May 4 ranks in position #224, with 10,709 births a year. 223 other dates are more common. 95 dates are within 1% of its count, anywhere from #178 to #273, so the exact position is a close thing.
May 4 through the years
Where it ranked in the United States, year by year.
common
May 4 in other countries
May 4 is the 143rd rarest birthday in the United States. It is among the 50 rarest in 2 of the 26 other countries, and ranges from #8 in Brazil to #359 in Japan.
Brazil
#8 of 366
8,700 births on an average May 4
DATASUS, 1997–2024Slovenia
#19 of 366
59 births on an average May 4
SURS, 2000–2025Ecuador
#23 of 366
806 births on an average May 4
INEC, 2013–2023Argentina
#24 of 366
1,738 births on an average May 4
DEIS, 2018–2023Portugal
#30 of 366
311 births on an average May 4
INE Portugal, 1980–2025Peru
#49 of 366
1,259 births on an average May 4
INEI, 2019–2025France
#52 of 366
2,228 births on an average May 4
INSEE, 1998–2024Belgium
#63 of 366
338 births on an average May 4
Statbel, 1992–2025Norway
#98 of 366
163 births on an average May 4
SSB, 2011–2025Mexico
#123 of 366
5,160 births on an average May 4
INEGI, 2017–2023Hungary
#134 of 366
330 births on an average May 4
KSH, 1970–2020Switzerland
#150 of 366
224 births on an average May 4
FSO, 1969–2025Guatemala
#152 of 366
954 births on an average May 4
INE Guatemala, 2018–2024Finland
#164 of 366
142 births on an average May 4
Statistics Finland, 2010–2025Germany
#168 of 366
2,024 births on an average May 4
Destatis, 2014–2025Philippines
#183 of 366
4,424 births on an average May 4
PSA, 2006–2024Costa Rica
#194 of 366
166 births on an average May 4
INEC Costa Rica, 2014–2024Ireland
#211 of 366
167 births on an average May 4
CSO, 1980–2023Chile
#212 of 366
686 births on an average May 4
DEIS, 1990–2017New Zealand
#233 of 366
156 births on an average May 4
Stats NZ, 1980–2023England & Wales
#240 of 366
1,764 births on an average May 4
ONS, 1995–2025Denmark
#245 of 366
161 births on an average May 4
Statistics Denmark, 2007–2025Netherlands
#286 of 366
486 births on an average May 4
CBS, 1995–2025Malaysia
#292 of 366
1,364 births on an average May 4
DOSM, 2000–2022Latvia
#351 of 366
47 births on an average May 4
CSB, 1996–2025Japan
#359 of 366
2,122 births on an average May 4
e-Stat, 1996–2025
Famous people born on May 4
Ranked by how often people looked them up on Wikipedia last year.
Rory McIlroyNorthern Irish golfer · born 1989
Audrey HepburnBritish actress · born 1929
Will ArnettCanadian actor · born 1970
Randy TravisAmerican singer · born 1959
Kimora Lee SimmonsAmerican model and fashion designer · born 1975
Katherine JacksonMatriarch of Jackson entertainment family · born 1930
Cesc FàbregasSpanish footballer · born 1987
Erin AndrewsAmerican sportscaster and television personality · born 1978May against the other eleven
May 4 is the 16th rarest 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 4?
About 10,709 a year in the United States. It was at its most common in 1999, when 12,455 babies were born and it ranked #69 of 365; at its rarest in 1986, with 7,921 births at #365.
Is May 4 a common birthday?
In the United States, May 4 is the 143rd rarest of 366 dates, with about 10,709 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. 95 other dates are within 1% of May 4's count, spread from #178 to #273, 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 4 rarer in other countries?
In some. It is rarer in 7 of the 26 other countries we hold daily records for. It is at its rarest in Japan, at #359 of 366, and at its most common in Brazil, at #8.
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