UNDP points to rapid improvement in living conditions in developing countries - According to the most recent United Nations Development Programme (UNDP) report on human development, living conditions in the countries of the South have risen sharply and not only in the big countries. Between 1990 and 2010, the South's share of the global middle class population expanded from 26% to 58%. By 2030, more than 80% of the world's middle class is projected to be residing in the South and to account...