3%
It is called a swamp.
swamp
swamp or marsh
swamp
The Okeefenokee Swamp
10% of the world
54
A swamp is a type of wetland, which is a land form that is characterized by having saturated soil. So, a swamp is both land and water, with the majority of the area being covered in water.
Wetlands are treeless shallow areas usually covered with water. They are transitionally between terrestrial and aquatic ecosystems. They are among the most biologically productive natural ecosystems in the world.
There are several large swamps all over the world. The three largest are the Sudd Swamp in Sudan, the Okefenokee Swamp in the United States, and the Sundarbans Swamp Delta in Bangladesh.
more than half
2/3 of it is covered in WATER