Is January 27 a rare birthday? Uncommon
Rarer than 87% of all 366 dates.
January 27 in numbers
The odds, the star sign and the other dates that come with it.
Where January 27 ranks
From most common birthday to rarest, January 27 ranks in position #317, with 10,490 births a year. 316 other dates are more common. 62 dates are within 1% of its count, anywhere from #276 to #338, so the exact position is a close thing.
January 27 through the years
Where it ranked in the United States, year by year.
common
January 27 in other countries
January 27 is the 50th rarest birthday in the United States. It is among the 50 rarest in 3 of the 26 other countries, and ranges from #43 in Chile to #355 in Malaysia.
Chile
#43 of 366
718 births on an average January 27
DEIS, 1990–2017Japan
#112 of 366
2,835 births on an average January 27
e-Stat, 1996–2025Peru
#139 of 366
1,217 births on an average January 27
INEI, 2019–2025New Zealand
#162 of 366
158 births on an average January 27
Stats NZ, 1980–2023Argentina
#168 of 366
1,523 births on an average January 27
DEIS, 2018–2023Hungary
#175 of 366
327 births on an average January 27
KSH, 1970–2020Finland
#192 of 366
140 births on an average January 27
Statistics Finland, 2010–2025Brazil
#194 of 366
7,943 births on an average January 27
DATASUS, 1997–2024Denmark
#207 of 366
163 births on an average January 27
Statistics Denmark, 2007–2025Philippines
#220 of 366
4,384 births on an average January 27
PSA, 2006–2024Netherlands
#229 of 366
491 births on an average January 27
CBS, 1995–2025Germany
#235 of 366
1,973 births on an average January 27
Destatis, 2014–2025Belgium
#244 of 366
322 births on an average January 27
Statbel, 1992–2025France
#244 of 366
2,117 births on an average January 27
INSEE, 1998–2024Ireland
#253 of 366
165 births on an average January 27
CSO, 1980–2023Norway
#257 of 366
150 births on an average January 27
SSB, 2011–2025Switzerland
#257 of 366
219 births on an average January 27
FSO, 1969–2025Costa Rica
#261 of 366
163 births on an average January 27
INEC Costa Rica, 2014–2024Slovenia
#270 of 366
51 births on an average January 27
SURS, 2000–2025Mexico
#279 of 366
4,833 births on an average January 27
INEGI, 2017–2023Latvia
#281 of 366
51 births on an average January 27
CSB, 1996–2025England & Wales
#297 of 366
1,750 births on an average January 27
ONS, 1995–2025Guatemala
#313 of 366
907 births on an average January 27
INE Guatemala, 2018–2024Ecuador
#318 of 366
719 births on an average January 27
INEC, 2013–2023Portugal
#321 of 366
284 births on an average January 27
INE Portugal, 1980–2025Malaysia
#355 of 366
1,305 births on an average January 27
DOSM, 2000–2022
Famous people born on January 27
Ranked by how often people looked them up on Wikipedia last year.
Wolfgang Amadeus MozartComposer and musician · born 1756
Alan CummingScottish actor, producer, director, writer and presenter · born 1965
Mimi RogersAmerican actress · born 1956
Ruben AmorimPortuguese football manager · born 1985
Bridget FondaAmerican actress · born 1964
Wilhelm IIGerman Emperor from 1888 to 1918 · born 1859
John RobertsChief Justice of the United States since 2005 · born 1955
Patton OswaltAmerican comedian and actor · born 1969January against the other eleven
January 27 is the 15th 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 27?
About 10,490 a year in the United States. It was at its most common in 1971, when 10,442 babies were born and it ranked #77 of 365; at its rarest in 1980, with 8,258 births at #359.
Is January 27 a common birthday?
In the United States, January 27 is the 50th rarest of 366 dates, with about 10,490 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. 62 other dates are within 1% of January 27's count, spread from #276 to #338, 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 27 rarer in other countries?
In some. It is rarer in 3 of the 26 other countries we hold daily records for. It is at its rarest in Malaysia, at #355 of 366, and at its most common in Chile, at #43.
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