There are many Poorest Country in the World that based GDP (Gross Domestic Product) at PPP (Purchasing Power Parity), Most of the Poor Countries located in the region of Africa, they are not developed economically, although most of the income depending on agriculture. The Top countries of low income also depend on cost of living, currency value, population, Business activities, and Political activities. The most of the countries with corruption by the politicians and government officers that makes the country PPP lower. So the ranking given below of the country based on lowest PPP is surveyed by the International Monetary Fund.
The Top 20 List of the Poorest Countries in the World