The Great Divide: Global income inequality and its cost is a project by a group called The Global Post, done in partnership with The Pulitzer Center with support from The Ford Foundation.
Here’s how they introduce the project:
Income inequality is surging, and there are few countries where it is rising faster than the United States. The distance between rich and poor is greater in America than nearly all other developed countries, making the US a leader in a trend that economists warn has dire consequences. GlobalPost sets out on a reporting journey to get at the ‘ground truth’ of inequality through the lenses of education, race, immigration, health care, government, labor and natural resources. The hope is to hold a mirror up to the US to see how it compares to countries around the world.
I’m embedding the interactive below, but there’s much, much more to the site. I’m adding it to The Best Resources About Wealth & Income Inequality.