In the US it also varies a lot on a state by state basis.[1] Handy image: https://img.washingtonpost.com/news/get-there/wp-content/uploads/sites/37/2015/01/Map

In the US it also varies a lot on a state by state basis.[1] Handy image: https://img.washingtonpost.com/news/get-there/wp-content/uploads/sites/37/2015/01/Map-1pct-by-state-01-23-14.jpg https://img.washingtonpost.com/news/get-there/wp-content/upl... [1] http://www.epi.org/publication/income-inequality-by-state-1917-to-2012/ http://www.epi.org/publication/income-inequality-by-state-19...