Is March 18 a rare birthday? Uncommon
Rarer than 76% of all 366 dates.
March 18 in numbers
The odds, the star sign and the other dates that come with it.
Where March 18 ranks
From most common birthday to rarest, March 18 ranks in position #279, with 10,580 births a year. 278 other dates are more common. 85 dates are within 1% of its count, anywhere from #236 to #321, so the exact position is a close thing.
March 18 through the years
Where it ranked in the United States, year by year.
common
March 18 in other countries
March 18 is the 88th rarest birthday in the United States. It is among the 50 rarest in 6 of the 26 other countries, and ranges from #10 in Peru to #352 in Ireland.
Peru
#10 of 366
1,292 births on an average March 18
INEI, 2019–2025Brazil
#29 of 366
8,611 births on an average March 18
DATASUS, 1997–2024Ecuador
#65 of 366
793 births on an average March 18
INEC, 2013–2023Chile
#87 of 366
704 births on an average March 18
DEIS, 1990–2017Argentina
#100 of 366
1,599 births on an average March 18
DEIS, 2018–2023Latvia
#163 of 366
54 births on an average March 18
CSB, 1996–2025Finland
#193 of 366
140 births on an average March 18
Statistics Finland, 2010–2025Switzerland
#198 of 366
222 births on an average March 18
FSO, 1969–2025Japan
#204 of 366
2,766 births on an average March 18
e-Stat, 1996–2025Hungary
#218 of 366
325 births on an average March 18
KSH, 1970–2020Guatemala
#228 of 366
935 births on an average March 18
INE Guatemala, 2018–2024Norway
#231 of 366
152 births on an average March 18
SSB, 2011–2025Malaysia
#234 of 366
1,383 births on an average March 18
DOSM, 2000–2022Belgium
#237 of 366
323 births on an average March 18
Statbel, 1992–2025New Zealand
#240 of 366
156 births on an average March 18
Stats NZ, 1980–2023Germany
#249 of 366
1,961 births on an average March 18
Destatis, 2014–2025Denmark
#253 of 366
161 births on an average March 18
Statistics Denmark, 2007–2025England & Wales
#313 of 366
1,747 births on an average March 18
ONS, 1995–2025Portugal
#313 of 366
285 births on an average March 18
INE Portugal, 1980–2025Netherlands
#316 of 366
481 births on an average March 18
CBS, 1995–2025Slovenia
#321 of 366
49 births on an average March 18
SURS, 2000–2025Costa Rica
#328 of 366
159 births on an average March 18
INEC Costa Rica, 2014–2024Philippines
#331 of 366
4,095 births on an average March 18
PSA, 2006–2024Mexico
#336 of 366
4,667 births on an average March 18
INEGI, 2017–2023France
#349 of 366
2,039 births on an average March 18
INSEE, 1998–2024Ireland
#352 of 366
158 births on an average March 18
CSO, 1980–2023
Famous people born on March 18
Ranked by how often people looked them up on Wikipedia last year.
Lily CollinsEnglish and American actress · born 1989
Sutton FosterAmerican actress, singer, and dancer · born 1975
Grover ClevelandPresident of the United States from 1885 to 1889 and from 1893 to 1897 · born 1837
Queen LatifahAmerican rapper and actress · born 1970
Adam LevineAmerican singer · born 1979
Luc BessonFrench filmmaker · born 1959
Vanessa WilliamsAmerican singer, actress and 1984 Miss America · born 1963
Shashi KapoorIndian actor and producer · born 1938March against the other eleven
March 18 is the 8th rarest 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 18?
About 10,580 a year in the United States. It was at its most common in 1983, when 10,827 babies were born and it ranked #60 of 365; at its rarest in 2018, with 6,753 births at #357.
Is March 18 a common birthday?
In the United States, March 18 is the 88th rarest of 366 dates, with about 10,580 births a year. That puts it on the rarer side of the calendar.
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. 85 other dates are within 1% of March 18's count, spread from #236 to #321, 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 18 rarer in other countries?
In some. It is rarer in 9 of the 26 other countries we hold daily records for. It is at its rarest in Ireland, at #352 of 366, and at its most common in Peru, at #10.
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