Africa-Eurasia (also called Afro-Eurasia, Eurafrasia,Afrasia and the Old World) is the world's biggest landmass. Around 85% (approximately 5.5 billion) of the world population lives there. It is split between the two continents of Africa and Eurasia, the latter of which has been historically further subdivided into Asia and Europe.
In geopolitics, the mainland of Africa-Eurasia (excluding islands such as the British Isles, Japan, Madagascar, and the Malay Archipelago) has been referred to as World Island.
The Old World includes Africa-Eurasia and its surrounding islands: