Largest desert (cold)

According to Official Guinness Records,

A “desert” is simply an area that has no or very little rainfall. By this definition, the largest desert is the Antarctic Ice Sheet, which covers around 98% of the continent of Antarctica, which is 14 million square kilometres (5.4 million square miles). The interior of the continent can experience as little as 50 millimetres (2 inches) of precipitation (water equivalent) per year.

For a complete list of 2011 records, please visit 2011 Guinness Records in Antarctica.

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Other Antarctica records that might interest you:

• Most sparsely populated continent
• Highest Seasonal Population Difference