About 97%. (according to How_many_percent_of_Egypt_is_desert, a little more info here: What_percent_of_land_in_Egypt_is_barren_desert)
Desert biome
30%
About 33% of the land surface of the earth is desert.
Libya does.
Australia has the largest percentage of desert land among the continents, with around 18% of its total land area classified as desert. The vast interior of the continent is dominated by arid and semi-arid regions, including the Great Victoria Desert and the Simpson Desert. This significant proportion of desert land is a defining feature of Australia's geography and climate.
Deserts make up 33% of the Land's surface
About 20 percent of the land in deserts is covered by sand.
Australia has the largest percentage of deserts, with about 18% of its land area classified as desert.
Desert and the Nile River Valley. Also the Nile river Delta.
Deserts make up 33% of the land surface of the earth.
about 30 percent
Deserts cover 33% of the land surface of the earth.