The 10 poorest countries in the world are all in Africa

Many Americans make more in a week than residents in some of the poorest countries earn in an entire year, according to a ranking of the poorest countries in the world based on gross national income (GNI). GNI includes residents' net incomes as well as the country's gross domestic product. Here are the 10 poorest countries by GNI per capita:

Democratic Republic of Congo: $680

Liberia: $683

Burundi: $691

Niger: $889

Guinea: $1,058

Malawi: $1,073

Mozambique: $1,098

Togo: $1,262

Madagascar: $1,320

Comoros: $1,361