Tuvalu is a very small island country of . In terms of physical land size, Tuvalu is the fourth smallest country in the world, larger only than the Vatican City—0.44 km2; Monaco—1.95 km2 and Nauru—21 km2. it is the third-least populated independent country in the world, with a population of 10,507 (2017 Census). Because of the small size of the economy of Tuvalu, its foreign relations are limited to its most important partners. Tuvalu maintains close relations with Fiji, New Zealand, Australia (which has maintained a High Commission in Tuvalu since 2018), Japan, South Korea, Taiwan, the United States of America, the United Kingdom and the European Union. It has diplomatic relations with Taiwan.