Complex sentence: Although Kenya is the biggest and most advanced economy in east and central Africa, and has an affluent urban minority, it has a Human Development Index (HDI) of 0.519, ranked 145 out of 186 in the world.
Split into simpler sentences: Although Kenya is the biggest and most advanced economy in east and central Africa, and has an affluent urban minority. It has a Human Development Index (HDI) of 0.519, ranked 145 out of 186 in the world.