Leap Year Birthday Calculator

Born on Feb 29? Find your real birthday count & the next Leap Day. Or check anyone's next Leap Year birthday.

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1 in 1,461 people are born on Feb 29 — the rarest birthday!

Calendar Age--years old

Next Leap Year Birthday

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How It Works

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Leap Year Birthday Calculator

People born on February 29 — called "Leaplings" — only have a true calendar birthday once every 4 years. This calculator shows how many leap year birthdays you've had, and what your "official" birthday is in non-leap years.

Quick facts: ~5 million Leaplings worldwide. Probability of being born on Feb 29: ~1 in 1,461. Most common celebration date in non-leap years: February 28.

When Are Leap Years?

A year is a leap year if it is: 1. Divisible by 4 (e.g., 2024 ✅) 2. But NOT divisible by 100 (e.g., 1900 ❌) 3. UNLESS also divisible by 400 (e.g., 2000 ✅)

Recent leap years: 2000, 2004, 2008, 2012, 2016, 2020, 2024. Next: 2028.

Leap Birthdays Count — By Birth Year

BornAge in 2026Feb 29 Birthdays Had
Feb 29, 1992349 (1992–2024)
Feb 29, 1996308 (1996–2024)
Feb 29, 2000267 (2000–2024)
Feb 29, 2004226 (2004–2024)
Feb 29, 2008185 (2008–2024)
Feb 29, 2012144 (2012–2024)
Feb 29, 2016103 (2016–2024)
Feb 29, 202062 (2020, 2024)
Feb 29, 202421 (2024 only)

Frequently Asked Questions

Your chronological age is the same as anyone else born on the same day — you don't age slower! But your "exact birthday" only falls on Feb 29 every 4 years. In non-leap years, most people celebrate on Feb 28 or Mar 1.
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