As of 2015, the region of Ottawa-Gatineau has the sixth highest total household income of all Canadian metropolitan areas ($82,052). The median household income after taxes is $73,745 which is higher than the national median of $61,348. The unemployment rate in Ottawa in 2016 was 7.2%, lower than the national rate of 7.7%. In 2019 Mercer ranks Ottawa with the third highest quality of living of any Canadian city, and 19th highest in the world. It is also rated the second cleanest city in Canada, and third cleanest city in the world.