Geography
Pie Chart of the World's Largest Deserts
Last reviewed on 2026-05-22.
Geography — verifiable data, editable template
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Antarctica is technically the largest desert on Earth — desert is defined by precipitation, not heat. The Sahara is the largest hot desert. Areas in million km².
The data
- Antarctic — 14.2 million km²
- Arctic — 13.9 million km²
- Sahara — 9.2 million km²
- Australian — 2.7 million km²
- Arabian — 2.3 million km²
- Gobi — 1.3 million km²
- Kalahari — 0.93 million km²
- Patagonian — 0.67 million km²
Source
USGS / National Geographic desert classifications.
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