Burundi is the world’s poorest country, with a GDP per capita, PPP of $950.90. It has almost 14.8 million people and is growing at a rate of 2.77%, making it one of the fastest-growing countries in the world; however, Burundi faces the threat of overpopulation. Explore the world 's poorest countries , their economic struggles, and the factors influencing their GDP (PPP) per capita. In 2025, sub-Saharan Africa dominates the IMF’s poorest countries list, facing political instability and economic challenges like dependence on agriculture.