Deserts are defined by aridity (<250 mm/yr precipitation), not temperature. Here are the ten largest non-polar deserts:
| Rank | Desert | Area (km²) | Location | Type |
|---|---|---|---|---|
| 1 | Sahara | 9,200,000 | North Africa | Subtropical hot |
| 2 | Arabian | 2,330,000 | Arabian Peninsula | Subtropical hot |
| 3 | Gobi | 1,300,000 | Mongolia, China | Cold winter |
| 4 | Kalahari | 900,000 | Botswana, Namibia, South Africa | Subtropical semi-arid |
| 5 | Patagonian | 673,000 | Argentina, Chile | Cold winter |
| 6 | Great Victoria | 647,000 | Australia | Subtropical hot |
| 7 | Syrian | 520,000 | Syria, Jordan, Iraq, Saudi Arabia | Subtropical hot |
| 8 | Great Basin | 492,000 | USA (NV, UT, ID, OR, CA) | Cold winter |
| 9 | Chihuahuan | 450,000 | Mexico, USA | Subtropical hot |
| 10 | Great Sandy (Australia) | 400,000 | Western Australia | Subtropical hot |