159 forecasters

Ragnarök Question Series: if a global biological catastrophe occurs, will it reduce the human population by 95% or more?

7%chance

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Authors:

Opened:

Jan 13, 2019

Closes:

Dec 31, 2099

Scheduled resolution:

Jun 15, 2101

Spot Scoring Time:

Jan 14, 2019

Ragnarök Series

A massive eruption 74,000 years ago affected the whole planet – archaeologists use volcanic glass to figure out how people survived

The Conversation•Sep 11, 2025

The next pandemic could rattle civilization — and a new book warns we’re not ready for it

New York Post•Sep 8, 2025

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