Generally, the continental landmasses are not all classified as islands despite being completely surrounded by water. However, because the definition of continent varies between geographers, the
Americas are sometimes defined as two separate continents while
mainland Australia is sometimes defined as an island as well as a continent. Nevertheless, for the purposes of this list, mainland Australia along with the other three major landmasses have been listed as continental landmasses for comparison. The figures are approximations and are for the four continental landmasses only. ==Islands with areas of or greater==