Is October 27 a rare birthday? Ordinary
Rarer than 58% of all 366 dates.

October 27 in numbers
The odds, the star sign and the other dates that come with it.
Where October 27 ranks
From most common birthday to rarest, October 27 ranks in position #214, with 10,738 births a year. 213 other dates are more common. 88 dates are within 1% of its count, anywhere from #170 to #258, so the exact position is a close thing.
October 27 through the years
Where it ranked in the United States, year by year.
common
October 27 in other countries
October 27 is the 153rd rarest birthday in the United States. It is among the 50 rarest in 4 of the 26 other countries, and ranges from #35 in Costa Rica to #348 in Ireland.
Costa Rica
#35 of 366
180 births on an average October 27
INEC Costa Rica, 2014–2024Philippines
#58 of 366
4,958 births on an average October 27
PSA, 2006–2024Chile
#73 of 366
708 births on an average October 27
DEIS, 1990–2017Malaysia
#74 of 366
1,440 births on an average October 27
DOSM, 2000–2022Mexico
#79 of 366
5,335 births on an average October 27
INEGI, 2017–2023Belgium
#82 of 366
335 births on an average October 27
Statbel, 1992–2025New Zealand
#154 of 366
158 births on an average October 27
Stats NZ, 1980–2023Portugal
#161 of 366
299 births on an average October 27
INE Portugal, 1980–2025Germany
#193 of 366
2,005 births on an average October 27
Destatis, 2014–2025France
#195 of 366
2,140 births on an average October 27
INSEE, 1998–2024Denmark
#197 of 366
164 births on an average October 27
Statistics Denmark, 2007–2025Slovenia
#202 of 366
53 births on an average October 27
SURS, 2000–2025England & Wales
#228 of 366
1,767 births on an average October 27
ONS, 1995–2025Finland
#250 of 366
138 births on an average October 27
Statistics Finland, 2010–2025Japan
#264 of 366
2,724 births on an average October 27
e-Stat, 1996–2025Netherlands
#280 of 366
487 births on an average October 27
CBS, 1995–2025Ecuador
#299 of 366
729 births on an average October 27
INEC, 2013–2023Norway
#301 of 366
143 births on an average October 27
SSB, 2011–2025Hungary
#303 of 366
313 births on an average October 27
KSH, 1970–2020Switzerland
#308 of 366
211 births on an average October 27
FSO, 1969–2025Guatemala
#315 of 366
906 births on an average October 27
INE Guatemala, 2018–2024Latvia
#315 of 366
50 births on an average October 27
CSB, 1996–2025Peru
#318 of 366
1,126 births on an average October 27
INEI, 2019–2025Brazil
#330 of 366
7,413 births on an average October 27
DATASUS, 1997–2024Argentina
#340 of 366
1,334 births on an average October 27
DEIS, 2018–2023Ireland
#348 of 366
159 births on an average October 27
CSO, 1980–2023
Famous people born on October 27
Ranked by how often people looked them up on Wikipedia last year.
Theodore RooseveltPresident of the United States from 1901 to 1909 · born 1858
Marla MaplesAmerican actress, model, singer and host · born 1963
Kelly OsbourneEnglish television personality · born 1984
John CleeseEnglish comedian and actor · born 1939
Sylvia PlathAmerican poet and writer · born 1932
Luiz Inácio Lula da SilvaPresident of Brazil (2003–2011; since 2023) · born 1945
Lonzo BallAmerican basketball player · born 1997
Scott WeilandAmerican singer · born 1967October against the other eleven
October 27 is the 6th rarest of the 31 days in October. All October birthdays.
October is the 5th most common month of the year
An average October day sees 10,872 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on October 27?
About 10,738 a year in the United States. It was at its most common in 2015, when 12,485 babies were born and it ranked #69 of 365; at its rarest in 2024, with 6,743 births at #346.
Is October 27 a common birthday?
In the United States, October 27 is the 153rd rarest of 366 dates, with about 10,738 births a year. That makes it an ordinary birthday: neither rare nor especially common.
What is the rarest October birthday?
In the United States, October 31: the 11th rarest of all 366 dates, with about 9,798 births a year. The most common October birthday is October 1, the 71st most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 88 other dates are within 1% of October 27's count, spread from #170 to #258, 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 October 27 rarer in other countries?
In some. It is rarer in 14 of the 26 other countries we hold daily records for. It is at its rarest in Ireland, at #348 of 366, and at its most common in Costa Rica, at #35.
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