Is October a rare birth month? Common
No. October is the 5th most common of the twelve in the United States, with about 10,872 births per day.

October in numbers
One of the twenty rarest birthdays of the year is in October, and none of the twenty most common.
October 1 is the most common day, October 31 the rarest
October 1#71 of 366 ยท 11,326 births a yearMost common and rarest October birthdays
The five most common October birthdays
Why October ranks #5
October is the slope down from September: the 5th most common of the twelve, still a shade above an average day.
- Halloween. Octoberย 31 is the rarest October birthday, #356 of 366 and 10% below an average day. Parents who can choose a date tend to skip it, but it is a mild dip, not a Christmas-scale shutdown.
- Still riding the ridge. The most common October date is Octoberย 1, #71 of 366: the last of the September peak.
- The 13th. Octoberย 13 is #303, well below the 12th and the 14th: the superstition shows up in October too.
October in 27 countries
October is #5 of the twelve in the United States. Across the other 26 countries it runs from #2 in Guatemala, Mexico, Malaysia, New Zealand and the Philippines to #11 in Argentina.
RarestMost common
October against the other eleven
October averages about 10,872 births per day, the 5th most common of the twelve. By total births it climbs to #4, helped by its 31 days.
October is #5 of the twelve by births per day
About 10,872 a day in the United States; September, the most common, has 11,448.
Quick answers
Is October a rare birth month?
No. In US birth records October is the 5th most common of the twelve, with about 10,872 births per day. Octoberย 1 is the most common October birthday; Octoberย 31 is the rarest.
How many babies are born in October?
About 337,046 a year in the United States, #4 of the twelve by total births. Per day that is about 10,872, the 5th most common of the twelve.
What is the most common October birthday?
Octoberย 1, #71 of 366 in the United States, with about 11,326 births a year (+4.4% against an average day). The rarest October date is Octoberย 31, #356.
What is the most common birth month?
September, with about 11,448 US births per day. The rarest month per day is January. February has the fewest births in total because it is the shortest month, not because its days are the rarest.