The most popular birthday in the United States is September 9th. This date is consistently cited as the most common birthday across multiple sources, including research spanning over two decades.
Why is September 9th so popular?
The popularity of this birthday can be attributed to a simple reason: conception often occurs around the holiday season, leading to an increase in births nine months later, in September.
Other popular birthdays:
While September 9th is the undisputed champion, other September birthdays also make the top 10 list, including September 19th and 12th.
In conclusion, September 9th reigns supreme as the most popular birthday in the US.
