Is March 9 a rare birthday? Ordinary
Rarer than 60% of all 366 dates.
March 9 in numbers
The odds, the star sign and the other dates that come with it.
Where March 9 ranks
From most common birthday to rarest, March 9 ranks in position #220, with 10,719 births a year. 219 other dates are more common. 93 dates are within 1% of its count, anywhere from #177 to #270, so the exact position is a close thing.
March 9 through the years
Where it ranked in the United States, year by year.
common
March 9 in other countries
March 9 is the 147th rarest birthday in the United States. It is among the 50 rarest in 5 of the 26 other countries, and ranges from #8 in Peru to #356 in the Philippines.
Peru
#8 of 366
1,295 births on an average March 9
INEI, 2019–2025Argentina
#30 of 366
1,720 births on an average March 9
DEIS, 2018–2023Brazil
#41 of 366
8,569 births on an average March 9
DATASUS, 1997–2024Latvia
#72 of 366
57 births on an average March 9
CSB, 1996–2025Ireland
#88 of 366
172 births on an average March 9
CSO, 1980–2023Ecuador
#127 of 366
777 births on an average March 9
INEC, 2013–2023Chile
#131 of 366
695 births on an average March 9
DEIS, 1990–2017Hungary
#133 of 366
330 births on an average March 9
KSH, 1970–2020Malaysia
#155 of 366
1,403 births on an average March 9
DOSM, 2000–2022Costa Rica
#188 of 366
167 births on an average March 9
INEC Costa Rica, 2014–2024Guatemala
#188 of 366
945 births on an average March 9
INE Guatemala, 2018–2024Denmark
#213 of 366
163 births on an average March 9
Statistics Denmark, 2007–2025Mexico
#233 of 366
4,915 births on an average March 9
INEGI, 2017–2023Norway
#252 of 366
150 births on an average March 9
SSB, 2011–2025Switzerland
#255 of 366
219 births on an average March 9
FSO, 1969–2025Belgium
#272 of 366
320 births on an average March 9
Statbel, 1992–2025Finland
#278 of 366
137 births on an average March 9
Statistics Finland, 2010–2025Portugal
#290 of 366
288 births on an average March 9
INE Portugal, 1980–2025New Zealand
#294 of 366
154 births on an average March 9
Stats NZ, 1980–2023England & Wales
#310 of 366
1,748 births on an average March 9
ONS, 1995–2025Slovenia
#313 of 366
50 births on an average March 9
SURS, 2000–2025Japan
#321 of 366
2,676 births on an average March 9
e-Stat, 1996–2025France
#325 of 366
2,069 births on an average March 9
INSEE, 1998–2024Netherlands
#327 of 366
479 births on an average March 9
CBS, 1995–2025Germany
#329 of 366
1,912 births on an average March 9
Destatis, 2014–2025Philippines
#356 of 366
4,015 births on an average March 9
PSA, 2006–2024
Famous people born on March 9
Ranked by how often people looked them up on Wikipedia last year.
Kimberly GuilfoyleAmerican diplomat · born 1969
Brittany SnowAmerican actress · born 1986
Oscar IsaacAmerican actor and musician · born 1979
Khaby LameSenegalese-Italian influencer · born 2000
Bobby FischerAmerican chess grandmaster · born 1943
Shashi TharoorIndian politician and author · born 1956
Raul JuliaPuerto Rican actor · born 1940
Yuri GagarinSoviet cosmonaut · born 1934March against the other eleven
March 9 is the 11th most common of the 31 days in March. All March birthdays.
March is the 6th rarest month of the year
An average March day sees 10,658 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on March 9?
About 10,719 a year in the United States. It was at its most common in 1971, when 10,766 babies were born and it ranked #34 of 365; at its rarest in 2014, with 6,742 births at #365.
Is March 9 a common birthday?
In the United States, March 9 is the 147th rarest of 366 dates, with about 10,719 births a year. That makes it an ordinary birthday: neither rare nor especially common.
What is the rarest March birthday?
In the United States, March 13: the 22nd rarest of all 366 dates, with about 10,340 births a year. The most common March birthday is March 1, the 147th most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 93 other dates are within 1% of March 9's count, spread from #177 to #270, 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 March 9 rarer in other countries?
In some. It is rarer in 14 of the 26 other countries we hold daily records for. It is at its rarest in the Philippines, at #356 of 366, and at its most common in Peru, 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