is the capital and the largest city of Sweden. It is the site of the national Swedish government, the Riksdag (parliament), and the official residence of the Swedish monarch as well as the prime minister. Since 1980, the monarch has resided at Drottningholm Palace outside of Stockholm and uses the Royal Palace of Stockholm as his workplace and official residence. As of 2009, the Stockholm metropolitan area is home to approximately 22% of Sweden's population, and contributes 28% of Sweden's gross domestic product.[citation needed] Stockholm is the most populous city in Sweden with a population of 825,057 in the municipality (2009), 1.25 million in the urban area (2005), and 2 million in the metropolitan area (2009).