Budapest is the capital and the most populous city of Hungary, and the tenth-largest city in the European Union by population within city limits. The city had an estimated population of 1,752,704 in 2016 distributed over a land area of about 525 square kilometres. Budapest is both a city and county, and forms the centre of the Budapest metropolitan area, which has an area of 7,626 square kilometres and a population of 3,303,786, comprising 33 percent of the population of Hungary. The Budapest metropolitan area had a GDP of $141.0 billion in 2016, accounting for 49.6 percent of the GDP of Hungary. GDP per capita in the city is $64,283, which means 148% of the EU average measured on purchasing power parity. Thereby the city is among the top 100 GDP performing cities in the world.