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).
... older. The median age is 41 years. For every 100 females there are 98.0 males. For every 100 females age 18 and over, there are 96.5 males.
The median income for a ...