September 9th Is America’s Most Common Birthday

September 9, 2025

If you know someone celebrating a birthday today, you are not alone. September 9 holds the title for the most common birthday in the United States. In fact, the entire month of September sees a significant spike in births.

According to the Today Show, this trend lines up with December being a major month for conception. Think holiday spirit, cold weather, and time off from work. While September 9 takes the top spot, some of the least common birthdays are February 29 and December 25.

Beyond the numbers, birthdays can reveal a lot about how we celebrate milestones and reflect on our lives. Whether it’s a lavish party or a quiet dinner, birthdays are often about more than cake and candles. They’re a time to reset, appreciate growth, and think about what’s ahead.

So here’s a question to think about today: If you could change your birthday to any date, what would it be and why? Would you pick a date for better weather, fewer shared celebrations, or a symbolic meaning?

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