The p(doom) database · person

Ryan Dahl’s p(doom)

0.01%
Creator of Node.js, co-founder of Deno · independent · Sep 14, 2026

In their words

Ryan Dahl (Creator of Node.js, co-founder of Deno) put their p(doom) at 0.01% (extinction, next 10 years), on X on Sep 14, 2026.

here are my priors for various doom scenarios in next 10 years p(extinction) = 0.0001

Source · re-checked against the primary source.

Opens with "10% chance of extinction indeed is ridiculous". Posted three edited versions that night; p(extinction) = 0.0001 in all of them. Same list: p(terminator war) 0.0002, p(>25% of white collar work disappears) 0.95.

In context

Among independent in the database (63 people), the median is 5%. Across all 223 people it is 10%. How the medians and the index are built.

A p(doom) is a personal, subjective estimate of the probability that advanced AI ends in human extinction or a comparable, irreversible catastrophe. Scope and timeframe differ from person to person, so compare with care: why p(doom) numbers disagree.

See all 300 statements in the database · everyone A–Z