🌊 Deadliest Floods in Recorded History
Direct answer: the deadliest flood in our documented records is the 1887 Yellow River Flood (1887), with an estimated 900,000 deaths (Estimates range from 900,000 to 2 million including famine deaths). Death tolls for events before modern record-keeping vary widely between sources; every figure below links to its citation.
| # | Event | Type | Country | Year | Estimated deaths |
|---|---|---|---|---|---|
| 1 | 1887 Yellow River Flood | Flood | China | 1887 | 900,000 * |
| 2 | 1931 China Floods | Flood | China | 1931 | 400,000 * |
| 3 | 2023 Storm Daniel — Derna Dam Floods | Flood | Libya | 2023 | 5,900 * |
| 4 | 2010 Pakistan Floods | Flood | Pakistan | 2010 | 1,985 * |
| 5 | 2022 Pakistan Floods | Flood | Pakistan | 2022 | 1,739 * |
* Figures marked with an asterisk carry significant uncertainty — open each event for its sources and uncertainty note. Historical death tolls, especially before 1900, are estimates that differ between reputable sources. Coverage depends on available documentation; see our methodology.