Qatar is the top country by real GNI per capita based on PPP in the world. As of 2015, real GNI per capita based on PPP in Qatar was 130,880.19 constant 2011 international $. The top 5 countries also includes Macau, Brunei Darussalam, Singapore, and Kuwait.
GNI per capita based on purchasing power parity (PPP). PPP GNI is gross national income (GNI) converted to international dollars using purchasing power parity rates. An international dollar has the same purchasing power over GNI as a U.S. dollar has in the United States. GNI is the sum of value added by all resident producers plus any product taxes (less subsidies) not included in the valuation of output plus net receipts of primary income (compensation of employees and property income) from abroad.