Major Deserts of the World: Top 10 by Area

World's Largest Deserts (Non-Polar)

Deserts are defined by aridity (<250 mm/yr precipitation), not temperature. Here are the ten largest non-polar deserts:

RankDesertArea (km²)LocationType
1Sahara9,200,000North AfricaSubtropical hot
2Arabian2,330,000Arabian PeninsulaSubtropical hot
3Gobi1,300,000Mongolia, ChinaCold winter
4Kalahari900,000Botswana, Namibia, South AfricaSubtropical semi-arid
5Patagonian673,000Argentina, ChileCold winter
6Great Victoria647,000AustraliaSubtropical hot
7Syrian520,000Syria, Jordan, Iraq, Saudi ArabiaSubtropical hot
8Great Basin492,000USA (NV, UT, ID, OR, CA)Cold winter
9Chihuahuan450,000Mexico, USASubtropical hot
10Great Sandy (Australia)400,000Western AustraliaSubtropical hot

Polar Deserts (Larger Than All Above)

  • Antarctic Polar Desert: ~14,000,000 km²
  • Arctic Polar Desert: ~2,600,000–5,000,000 km² (Greenland, Canadian Archipelago, Russian islands)

Notable Mentions

  • Atacama (Chile/Peru): ~105,000 km² — driest non-polar desert
  • Namib (Namibia/Angola): ~81,000 km² — oldest desert (55–80 Myr)
  • Thar (India/Pakistan): ~200,000 km² — most densely populated desert
  • Taklamakan (China): ~337,000 km² — shifting sand dunes, Silk Road
  • Mojave (USA): ~124,000 km² — Joshua trees, Death Valley
  • Sonoran (USA/Mexico): ~260,000 km² — saguaro cactus
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