Why do two people in a room often share a birthday?
Birthday Match Magic
Why do two people in a room often share a birthday?
You walk into a party with twenty-three people. Someone says, "Hey, does anyone here share a birthday?" Two hands go up. Wait — what? Twenty-three people, three hundred sixty-five days in a year… shouldn't that be super rare?
Here's the trick your brain plays on you. You're thinking, "What are the odds that someone here shares MY birthday?" That's a different question. That one really IS rare — about one in sixteen if there are twenty-three people.
