List of Top Richest Countries in the world A list of the 5 richest populated nations, countries, kingdoms and principalities on the planet in 2016. The countries with the highest GDP per capita (PPP). This 5 richest countries by gross domestic product (at purchasing power parity) per capita. Using the purchasing power parity (PPP) value of all final goods to show true value of dollar within a country in a given year. Oil nations continue to dominate the list in 2015 as they did in 2014. Here is the list of 5 Richest Countries in the world- #5 Kuwait - $74,646 GDP (PPP) per capita Kuwait is a small, relatively open economy and its citizens enjoy a per capita GDP (PPP) of $74,646. The highest-valued currency unit in the world currently is the The Kuwaiti dinar. With nearly 10% of the world's oil reserves, petroleum accounts for nearly half of GDP and 95% of export revenues and government income. In rec...