Most common birthday worldwide
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How rare is my name.
Do you know someone who has the same birthday as you?
According to the "birthday paradox," in a random group of 23 people, there is about a 50% chance two people will share a birthday.
Any more than that, and it gets increasingly likely that a pair of matching birthdays exist.
According to birth data from the Centers for Disease Control and Prevention and the Social Security Administration, here are the most popular days to blow out the candles in the United States.
Start the day smarter.
Top 10 most common birthdays
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What is the most common birthday?
In fact, the entire top 10 list is made of September birthdays between Sept. 9 and 20. Count backward and you’re just in time for the holidays, since pregnancy is an average of 40 weeks from last menstruation.
Why the holidays?
Perhaps because there’s more holiday cheer in the air, and it could have something to do with the fact that many people have free time on vacation days they take around Christmas and New Year’s, to celebrate with family and friends
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