Medium
Mind-Bending Impossible Riddles
20 XP

The Birthday Probability

2,730 solved 72% solve rate 28% fail rate
How many people must be in a room for there to be a 50% chance two share a birthday?
Only 72% solve this correctly
2,730 attempts
Earn +20 XP for solving
Quick Answer & Explanation
23 people

The answer to this riddle is 23 people. Difficulty: Medium ยท Solved by 2,730 puzzle lovers.

Think carefully about the key words: 23 people
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