Complex sentence: In terms of purchasing power parity, South Africa has the fifth-highest per capita income in Africa, although poverty and inequality remain widespread, with about a quarter of the population unemployed and living on less than US $1.25 a day.
Split into simpler sentences: In terms of purchasing power parity, South Africa has the fifth-highest per capita income in Africa. However, there remains widespread poverty and inequality, with about a quarter of the population unemployed and living on less than US $1.25 a day.