Nauru Government Republic, UN Member State (1999), Member of the Commonwealth (1968) Capital Yaren Population 10 840 Land area 21 km² Max height above sea level 71 m EEZ 308 480 km² GDP Year 2014 Currency Australian dollar Languages English Nauruan GDP per capita 11 015 USD Useful links Government of the Republic of Nauru Visiting Nauru Survey of reef invertebrate resources in the Republic of Nauru, May 2015 Pacific Community Membership 1969