File:Average years of schooling versus GDP per capita.jpg - Wikipedia
Niger GDP Forecast 2017, Economic Data & Country Report | Gross Domestic Product per capita, growth & history
Max Roser no Twitter: "The world is very unequal in CO2 emissions and income: The US has a GDP per capita of 51.650 int-$ and per capita emissions are on average 16.5
Inequality of food consumption vs. GDP per capita, 2014