But what percentage of the Earth’s land surface is desert? Deserts actually make up 33%, or 1/3rd of the land’s surface area. That might sound like a surprisingly large amount, but that’s based on the official definition of a desert. Desert are any region on Earth that can have a moisture deficit over the course of a year. This massive polar desert accounts for approximately 14.2 million square kilometers (5.5 million square miles) of the Earth's surface. The largest hot desert on Earth is Africa's Sahara desert,... Key Points. Seen from space, the majority of the Earth’s surface is covered by oceans – that makes up 71% of the surface of the Earth, with the remaining 29% for land. 63 Views. B. Sea, Fertile Land, Desert, Hills and High mountains are essential part of nature's echo system and nature's cycl How Much Of The Earth Is Covered By Desert?33%How much part of land an Earth is desert?Deserts make up about 33% of earth's land area. how much of the earth's land surface is desert Since oceans cover so significant an expanse of Earth's surface, . 1/5th. Desert environments (arid lands/drylands) constitute the most widespread terrestrial biome on Earth covering about 35% of the land areas of the world (Fig. 1. By 2025, 1.8 billion people will experience absolute water scarcity, and 2/3 of the world will be living under water-stressed conditions. Largest Desert of the world is Sahara in Africa. Steerini Ltd > Uncategorized > how much of the earth's land surface is desert. Approximately 33% of land area or 9.5% of total area. how much of the earth's land surface is desert