Is December 18 a rare birthday? Popular
More common than 77% of all 366 dates.

December 18 in numbers
The odds, the star sign and the other dates that come with it.
Where December 18 ranks
From most common birthday to rarest, December 18 ranks in position #85, with 11,273 births a year. 281 other dates are rarer. 41 dates are within 1% of its count, anywhere from #57 to #98, so the exact position is a close thing.
December 18 through the years
Where it ranked in the United States, year by year.
common
December 18 in other countries
December 18 is the 85th most common birthday in the United States. It is among the 50 most common in 5 of the 26 other countries, and ranges from #21 in Ireland to #346 in Finland.
Ireland
#21 of 366
177 births on an average December 18
CSO, 1980–2023New Zealand
#34 of 366
164 births on an average December 18
Stats NZ, 1980–2023Chile
#35 of 366
720 births on an average December 18
DEIS, 1990–2017Belgium
#44 of 366
340 births on an average December 18
Statbel, 1992–2025Portugal
#46 of 366
308 births on an average December 18
INE Portugal, 1980–2025France
#56 of 366
2,223 births on an average December 18
INSEE, 1998–2024Costa Rica
#78 of 366
175 births on an average December 18
INEC Costa Rica, 2014–2024Philippines
#101 of 366
4,732 births on an average December 18
PSA, 2006–2024England & Wales
#111 of 366
1,811 births on an average December 18
ONS, 1995–2025Mexico
#124 of 366
5,157 births on an average December 18
INEGI, 2017–2023Japan
#132 of 366
2,816 births on an average December 18
e-Stat, 1996–2025Hungary
#159 of 366
328 births on an average December 18
KSH, 1970–2020Germany
#165 of 366
2,026 births on an average December 18
Destatis, 2014–2025Guatemala
#183 of 366
947 births on an average December 18
INE Guatemala, 2018–2024Argentina
#204 of 366
1,490 births on an average December 18
DEIS, 2018–2023Brazil
#258 of 366
7,723 births on an average December 18
DATASUS, 1997–2024Switzerland
#261 of 366
219 births on an average December 18
FSO, 1969–2025Netherlands
#269 of 366
488 births on an average December 18
CBS, 1995–2025Slovenia
#273 of 366
51 births on an average December 18
SURS, 2000–2025Denmark
#276 of 366
159 births on an average December 18
Statistics Denmark, 2007–2025Malaysia
#284 of 366
1,369 births on an average December 18
DOSM, 2000–2022Peru
#307 of 366
1,138 births on an average December 18
INEI, 2019–2025Latvia
#312 of 366
50 births on an average December 18
CSB, 1996–2025Ecuador
#328 of 366
714 births on an average December 18
INEC, 2013–2023Norway
#329 of 366
135 births on an average December 18
SSB, 2011–2025Finland
#346 of 366
129 births on an average December 18
Statistics Finland, 2010–2025
Famous people born on December 18
Ranked by how often people looked them up on Wikipedia last year.
Brad PittAmerican actor · born 1963
Billie EilishAmerican singer-songwriter · born 2001
Joseph StalinLeader of the Soviet Union from 1924 to 1953 · born 1878
Steven SpielbergAmerican filmmaker · born 1946
Jayden DanielsAmerican football player · born 2000
Katie HolmesAmerican actress · born 1978
Ray LiottaAmerican actor · born 1954
Angie StoneAmerican singer and actress · born 1961December against the other eleven
December 18 is the 8th most common of the 31 days in December. All December birthdays.
December is the 4th rarest month of the year
An average December day sees 10,633 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on December 18?
About 11,273 a year in the United States. It was at its most common in 1972, when 10,101 babies were born and it ranked #7 of 366; at its rarest in 1983, with 8,170 births at #359.
Is December 18 a common birthday?
In the United States, December 18 is the 85th most common of 366 dates, with about 11,273 births a year. That puts it among the more common birthdays.
What is the rarest December birthday?
In the United States, December 25: the rarest of all 366 dates, with about 6,546 births a year. The most common December birthday is December 28, the 6th most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 41 other dates are within 1% of December 18's count, spread from #57 to #98, 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 December 18 rarer in other countries?
In some. It is rarer in 19 of the 26 other countries we hold daily records for. It is at its rarest in Finland, at #346 of 366, and at its most common in Ireland, at #21.
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