Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
... have a female householder with no husband present, and 16.6% are non-families. 13.2% of all households are made up of individuals and 4.4% have someone living alone who is ...