Is January 23 a rare birthday? Uncommon
Rarer than 75% of all 366 dates.

January 23 in numbers
The odds, the star sign and the other dates that come with it.
Where January 23 ranks
From most common birthday to rarest, January 23 ranks in position #275, with 10,601 births a year. 274 other dates are more common. 87 dates are within 1% of its count, anywhere from #226 to #313, so the exact position is a close thing.
January 23 through the years
Where it ranked in the United States, year by year.
common
January 23 in other countries
January 23 is the 92nd rarest birthday in the United States. It is among the 50 rarest in 3 of the 26 other countries, and ranges from #49 in Japan to #352 in Malaysia.
Japan
#49 of 366
2,923 births on an average January 23
e-Stat, 1996–2025Chile
#72 of 366
708 births on an average January 23
DEIS, 1990–2017Guatemala
#88 of 366
973 births on an average January 23
INE Guatemala, 2018–2024Peru
#98 of 366
1,233 births on an average January 23
INEI, 2019–2025Argentina
#111 of 366
1,587 births on an average January 23
DEIS, 2018–2023Philippines
#155 of 366
4,510 births on an average January 23
PSA, 2006–2024Slovenia
#155 of 366
54 births on an average January 23
SURS, 2000–2025Switzerland
#162 of 366
224 births on an average January 23
FSO, 1969–2025Netherlands
#165 of 366
497 births on an average January 23
CBS, 1995–2025Finland
#178 of 366
141 births on an average January 23
Statistics Finland, 2010–2025Belgium
#186 of 366
326 births on an average January 23
Statbel, 1992–2025New Zealand
#196 of 366
157 births on an average January 23
Stats NZ, 1980–2023Brazil
#200 of 366
7,938 births on an average January 23
DATASUS, 1997–2024Germany
#213 of 366
1,990 births on an average January 23
Destatis, 2014–2025England & Wales
#214 of 366
1,772 births on an average January 23
ONS, 1995–2025Hungary
#217 of 366
325 births on an average January 23
KSH, 1970–2020Mexico
#220 of 366
4,933 births on an average January 23
INEGI, 2017–2023Norway
#236 of 366
152 births on an average January 23
SSB, 2011–2025France
#238 of 366
2,120 births on an average January 23
INSEE, 1998–2024Costa Rica
#239 of 366
164 births on an average January 23
INEC Costa Rica, 2014–2024Portugal
#264 of 366
290 births on an average January 23
INE Portugal, 1980–2025Latvia
#269 of 366
51 births on an average January 23
CSB, 1996–2025Denmark
#282 of 366
159 births on an average January 23
Statistics Denmark, 2007–2025Ecuador
#319 of 366
718 births on an average January 23
INEC, 2013–2023Ireland
#336 of 366
161 births on an average January 23
CSO, 1980–2023Malaysia
#352 of 366
1,310 births on an average January 23
DOSM, 2000–2022
Famous people born on January 23
Ranked by how often people looked them up on Wikipedia last year.
XXXTentacionAmerican rapper and singer-songwriter · born 1998
Mariska HargitayAmerican actress · born 1964
Subhas Chandra BoseIndian nationalist leader · born 1897
Sully SullenbergerAmerican pilot and diplomat · born 1951
Tiffani ThiessenAmerican actress · born 1974
Rutger HauerDutch actor · born 1944
Arjen RobbenDutch association footballer · born 1984
Richard Dean AndersonAmerican actor · born 1950January against the other eleven
January 23 is the 11th most common 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 23?
About 10,601 a year in the United States. It was at its most common in 1973, when 9,272 babies were born and it ranked #66 of 365; at its rarest in 2000, with 7,712 births at #353.
Is January 23 a common birthday?
In the United States, January 23 is the 92nd rarest of 366 dates, with about 10,601 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. 87 other dates are within 1% of January 23's count, spread from #226 to #313, 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 23 rarer in other countries?
In some. It is rarer in 4 of the 26 other countries we hold daily records for. It is at its rarest in Malaysia, at #352 of 366, and at its most common in Japan, 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