Is January 9 a rare birthday? Rare
Rarer than 93% of all 366 dates.
January 9 in numbers
The odds, the star sign and the other dates that come with it.
Where January 9 ranks
From most common birthday to rarest, January 9 ranks in position #340, with 10,380 births a year. 339 other dates are more common. 31 dates are within 1% of its count, anywhere from #318 to #349, so the exact position is a close thing.
January 9 through the years
Where it ranked in the United States, year by year.
common
January 9 in other countries
January 9 is the 27th rarest birthday in the United States. It is among the 50 rarest in 5 of the 26 other countries, and ranges from #62 in Guatemala to #347 in Latvia.
Guatemala
#62 of 366
984 births on an average January 9
INE Guatemala, 2018–2024Chile
#76 of 366
707 births on an average January 9
DEIS, 1990–2017Argentina
#93 of 366
1,606 births on an average January 9
DEIS, 2018–2023Philippines
#115 of 366
4,657 births on an average January 9
PSA, 2006–2024Costa Rica
#148 of 366
170 births on an average January 9
INEC Costa Rica, 2014–2024Mexico
#157 of 366
5,075 births on an average January 9
INEGI, 2017–2023New Zealand
#187 of 366
157 births on an average January 9
Stats NZ, 1980–2023Peru
#200 of 366
1,195 births on an average January 9
INEI, 2019–2025Finland
#211 of 366
139 births on an average January 9
Statistics Finland, 2010–2025Brazil
#219 of 366
7,880 births on an average January 9
DATASUS, 1997–2024Belgium
#223 of 366
323 births on an average January 9
Statbel, 1992–2025Portugal
#229 of 366
294 births on an average January 9
INE Portugal, 1980–2025Ireland
#240 of 366
166 births on an average January 9
CSO, 1980–2023Hungary
#242 of 366
322 births on an average January 9
KSH, 1970–2020England & Wales
#243 of 366
1,763 births on an average January 9
ONS, 1995–2025Switzerland
#267 of 366
218 births on an average January 9
FSO, 1969–2025Germany
#273 of 366
1,950 births on an average January 9
Destatis, 2014–2025Slovenia
#293 of 366
50 births on an average January 9
SURS, 2000–2025Netherlands
#295 of 366
484 births on an average January 9
CBS, 1995–2025Norway
#299 of 366
144 births on an average January 9
SSB, 2011–2025France
#315 of 366
2,078 births on an average January 9
INSEE, 1998–2024Denmark
#326 of 366
155 births on an average January 9
Statistics Denmark, 2007–2025Japan
#328 of 366
2,661 births on an average January 9
e-Stat, 1996–2025Malaysia
#330 of 366
1,337 births on an average January 9
DOSM, 2000–2022Ecuador
#341 of 366
706 births on an average January 9
INEC, 2013–2023Latvia
#347 of 366
48 births on an average January 9
CSB, 1996–2025
Famous people born on January 9
Ranked by how often people looked them up on Wikipedia last year.
Richard NixonPresident of the United States from 1969 to 1974 · born 1913
Joan BaezAmerican contemporary folk musician · born 1941
Nina DobrevCanadian actress · born 1989
Catherine, Princess of WalesMember of the British royal family · born 1982
Jimmy PageEnglish guitarist · born 1944
J. K. SimmonsAmerican actor · born 1955
Nicola PeltzAmerican actress · born 1995
Joely RichardsonBritish actress · born 1965January against the other eleven
January 9 is the 6th 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 9?
About 10,380 a year in the United States. It was at its most common in 2020, when 11,061 babies were born and it ranked #126 of 366; at its rarest in 2005, with 7,052 births at #361.
Is January 9 a common birthday?
In the United States, January 9 is the 27th rarest of 366 dates, with about 10,380 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. 31 other dates are within 1% of January 9's count, spread from #318 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 9 rarer in other countries?
In some. It is rarer in 2 of the 26 other countries we hold daily records for. It is at its rarest in Latvia, at #347 of 366, and at its most common in Guatemala, at #62.
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