🏚️ Dying in an earthquake vs 👯 Having identical twins
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You're 600.0× more likely to have identical twins
than to die in an earthquake
Periods differ: Having identical twins is framed as per birth (natural, approx.), while Dying in an earthquake is lifetime (US avg). The multiplier is a raw ratio of the 1-in-X figures — not a normalized lifetime risk. Compare cautiously.
Dying in an earthquake
1 in 150,000
lifetime (US avg)
Having identical twins
1 in 250
per birth (natural, approx.)
How we calculated this
Each figure is “1 in X.” The larger X is the rarer event. Dividing that number by the more common one gives the multiplier: you're 600.0× more likely to have identical twins. When the periods differ, this is a raw ratio of those figures, not a lifetime-normalized risk.
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You're 600.0× more likely to have identical twins (1 in 250, per birth (natural, approx.)) than to die in an earthquake (1 in 150,000, lifetime (US avg)). ⚠️ Periods differ (per birth (natural, approx.) vs lifetime (US avg)) — compare cautiously. — How Likely Is That? https://www.howlikelyisthat.com/compare/odds-of-dying-in-an-earthquake-vs-odds-of-having-identical-twins
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