Figure derived from the Global Islands Explorer website, by adding the areas of mainland Africa (29,370,907 km2 (11,340,171 sq mi)) and mainland Eurasia (50,439,819 km2 (19,474,923 sq mi)).
Figure derived from the Global Islands Explorer website, by adding the areas of mainland North America (20,090,075 km2 (7,756,821 sq mi)) and mainland South America (17,609,548 km2 (6,799,084 sq mi)).
Figure derived from the Geoscience Australia website, the area of mainland Tasmania (64,519 km2 (24,911 sq mi)) has been deducted.[8] The Global Islands Explorer website has given a slightly larger figure of 7,618,696 km2 (2,941,595 sq mi) for the area of mainland Australia.