Papua New Guinea largest towns are also located, including Port Moresby (capital) and Lae; other major islands within Papua New Guinea include New Ireland, New Britain, Manus and Bougainville. Papua New Guinea is one of the few regions close to the equator that experience snowfall, which occurs in the most elevated parts of the mainland. The border between Papua New Guinea and Indonesia was confirmed by treaty with Australia before independence in 1974. Maritime boundaries with Australia were confirmed by a treaty in 1978. Papua New Guinea is part of the Australasia ecozone, which also includes Australia, New Zealand, eastern Indonesia, and several
Languages of Papua New Guinea far west as Malagasy in Madagascar, as far east as Rapa Nui on Easter Island, and as far as north as the Formosan languages of Taiwan. Austronesian has several primary branches, all but one of which are found exclusively on Taiwan. 64.2% of the population of Papua New Guinea over 15 years of age are literate. Languages of Papua New Guinea The languages of Papua New Guinea today number over 850. These languages are spoken by the inhabited tribal groups of Papua New Guinea and Indonesia. In 2006, Prime Minister Sir Michael Somare stated that "Papua New Guinea has 832