Max Roser בטוויטר: "Economic and political systems can make a huge difference. Here is the comparison of North and South Korea over the last 200 years. (little difference in the past, today
GDP per Capita (PPP) - Comparison between Korea and North Korea
Gypsy Scholar: Bye-Bye, North Korea?
GDP per Capita (PPP) - North Korea
North Korea in the Dark: Freedom Matters | Policy Matters