With a population of ten thousand in 2011, Nauru ranks around 230th in the world by population. Its population density is 478 inhabitants per square kilometre (185 per square mile). The overall life expectancy in Nauru at birth is 59.7 years. The total fertility rate of 3.70 children per mother is one of the highest in the Oceania.
Nauru, officially the Republic of Nauru and formerly known as Pleasant Island, is an island nation in Micronesia in the South Pacific. Its nearest neighbour is Banaba Island in Kiribati, 300 km to the east. Nauru is the world's smallest island nation, covering just 21 square kilometres (8.1 sq mi).
The Australian Dollar (AUD; symbol A$) is legal tender. For further information, see the Australia section.