New Delhi: More than half of the population of the poorest nations in the world, does not have enough money to buy food, forget having a decent standard of living, and in some regions of Africa, they stare at starvation.In these regions in the world, mostly seven out of ten people live on less than two dollars a day. Here is the list of world's top ten poorest nations according to per capita income measured in US $:1. CongoCongo tops the chart in the list of poorest countries around the globe. As per International Monetary Fund (2012) reports the estimated annual per capita income here is US $ 237.2. MalawiMalawi, officially the Republic of Malawi, is a landlocked country in southeast Africa that was formerly known as Nyasaland. It is bordered by Zambia to the northwest, Tanzania to the northeast, and Mozambique on the east, south and west. As per IMF (2012) reports the estimated annual per capita income here is US $ 253. 3. BurundiIt is a landlocked country in the Great Lakes region of Eastern Africa. As per IMF (2012) reports the estimated annual per capita income here is US $ 282. 4. NigerIt is a landlocked country in Western Africa, named after the Niger River. As per IMF(2012) reports the estimated annual per capita income here is US $ 408.5. Liberia It is a country in West Africa bordered by Sierra Leone to its west, Guinea to its north and Côte d'Ivoire to its east. It covers an area of 111,369 km2 (43,000 sq mi) and is home to about 3.7 million people. As per IMF(2012) reports the estimated annual per capita income here is US $ 436.6. Central African Republic It is a landlocked country in Central Africa. As per IMF (2012) reports the estimated annual per capita income here is US $ 447.7. MadagascarIt is an island country in the Indian Ocean, off the southeastern coast of Africa. As per IMF (2012) reports the estimated annual per capita income here is US $ 451.8. EthiopiaThis country is located in the Horn of Africa. As per IMF (2012) reports the estimated annual per capita income here is US $ 483.9. GambiaThis country is located in the West Africa. As per IMF (2012) reports the estimated annual per capita income here is US $ 503.10. GuineaGuinea lies in West Africa.It is Formerly known as French Guinea. As per IMF (2012) reports the estimated annual per capita income here is US $519.