Developing Countries: Developing countries are nations with a lower standard of living, less developed industries, and lower human development index (HDI) compared to more industrialized nations. Low-income countries are a subset of developing countries.
Poverty: Poverty refers to the state of being extremely poor, lacking the resources and opportunities necessary for a decent standard of living. Poverty is a key characteristic of low-income countries.
Gross National Income (GNI): Gross National Income is the total value of all goods and services produced within a country, plus any income earned by its citizens from overseas sources, divided by the country's population. Low-income countries have a low GNI per capita.