About one third of Africa is covered by the Sahara Desert. Most of northern Africa is desert.
About one third of the land surface of the world is arid or semi-arid.
About one third of the earth's land surface is covered by deserts.
The northern third of Africa is nearly covered by the Sahara.
About 20% of the deserts are covered by sand. Others are covered by soil or rock.
Denmark
89% to 93% of the Middle East is covered by desert. These numbers depend on the varying definitions of "the Middle East".
About one third of the land surface of the earth is desert.
Deserts cover 33% (one third) of the earth's land surface is covered by deserts.
The northern quarter of Chile is covered by the Atacama Desert.
Deserts account for 33-35% of the earth's land surface.
About 25% of the Atacama Desert is located in southern Peru. The major portion is found in Chile with smaller portions in Bolivia and Argentina. About 25% of the country of Chile is covered by the Atacama.