Is January 15 a rare birthday? Rare
Rarer than 95% of all 366 dates.
January 15 in numbers
The odds, the star sign and the other dates that come with it.
Where January 15 ranks
From most common birthday to rarest, January 15 ranks in position #346, with 10,327 births a year. 345 other dates are more common. 19 dates are within 1% of its count, anywhere from #330 to #349, so the exact position is a close thing.
January 15 through the years
Where it ranked in the United States, year by year.
common
January 15 in other countries
January 15 is the 21st rarest birthday in the United States. It is among the 50 rarest in 2 of the 26 other countries, and ranges from #49 in Chile to #344 in England & Wales.
Chile
#49 of 366
717 births on an average January 15
DEIS, 1990–2017Guatemala
#87 of 366
973 births on an average January 15
INE Guatemala, 2018–2024Argentina
#109 of 366
1,588 births on an average January 15
DEIS, 2018–2023Philippines
#116 of 366
4,636 births on an average January 15
PSA, 2006–2024Portugal
#132 of 366
301 births on an average January 15
INE Portugal, 1980–2025Japan
#145 of 366
2,806 births on an average January 15
e-Stat, 1996–2025New Zealand
#147 of 366
158 births on an average January 15
Stats NZ, 1980–2023Peru
#167 of 366
1,206 births on an average January 15
INEI, 2019–2025Brazil
#196 of 366
7,942 births on an average January 15
DATASUS, 1997–2024Belgium
#208 of 366
325 births on an average January 15
Statbel, 1992–2025Hungary
#227 of 366
324 births on an average January 15
KSH, 1970–2020Germany
#231 of 366
1,976 births on an average January 15
Destatis, 2014–2025Switzerland
#243 of 366
220 births on an average January 15
FSO, 1969–2025Mexico
#249 of 366
4,882 births on an average January 15
INEGI, 2017–2023Denmark
#250 of 366
161 births on an average January 15
Statistics Denmark, 2007–2025Netherlands
#250 of 366
489 births on an average January 15
CBS, 1995–2025France
#261 of 366
2,107 births on an average January 15
INSEE, 1998–2024Ireland
#278 of 366
164 births on an average January 15
CSO, 1980–2023Latvia
#284 of 366
51 births on an average January 15
CSB, 1996–2025Ecuador
#285 of 366
734 births on an average January 15
INEC, 2013–2023Norway
#288 of 366
145 births on an average January 15
SSB, 2011–2025Finland
#299 of 366
136 births on an average January 15
Statistics Finland, 2010–2025Costa Rica
#309 of 366
160 births on an average January 15
INEC Costa Rica, 2014–2024Slovenia
#314 of 366
50 births on an average January 15
SURS, 2000–2025Malaysia
#322 of 366
1,344 births on an average January 15
DOSM, 2000–2022England & Wales
#344 of 366
1,731 births on an average January 15
ONS, 1995–2025
Famous people born on January 15
Ranked by how often people looked them up on Wikipedia last year.
Martin Luther King Jr.American minister and civil rights activist · born 1929
Ben ShapiroAmerican political commentator · born 1984
Claudia WinklemanEnglish television presenter · born 1972
Dove CameronAmerican actress and singer · born 1996
PitbullAmerican rapper · born 1981
Chloe KellyEnglish footballer · born 1998
Regina KingAmerican actress and director · born 1971
Drew BreesAmerican football player and television analyst · born 1979January against the other eleven
January 15 is the 4th rarest of the 31 days in January. All January birthdays.
January is the rarest month of the year
An average January day sees 10,394 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on January 15?
About 10,327 a year in the United States. It was at its most common in 1971, when 10,874 babies were born and it ranked #18 of 365; at its rarest in 2006, with 7,227 births at #357.
Is January 15 a common birthday?
In the United States, January 15 is the 21st rarest of 366 dates, with about 10,327 births a year. That puts it on the rarer side of the calendar.
What is the rarest January birthday?
In the United States, January 1: the 2nd rarest of all 366 dates, with about 7,731 births a year. The most common January birthday is January 4, the 179th most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 19 other dates are within 1% of January 15's count, spread from #330 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 January 15 rarer in other countries?
No. January 15 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 England & Wales, at #344 of 366, and at its most common in Chile, at #49.
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