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Hannah Ritchie

Hannah Ritchie

Deputy Editor, Our World in Data

Appears in 1 story

Stories

The 99% drop: how humanity became almost disaster-proof

New Capabilities

Active researcher

In the 1920s, natural disasters killed an average of 500,000 people per year. Today, with four times the global population, that number has dropped to roughly 45,000—a 99% decline in the per-capita death rate. The transformation happened not through divine intervention or luck, but through a century of investment in weather satellites, building codes, early warning networks, and agricultural science that turned existential threats into manageable emergencies.

Updated Jan 22