source : Wall Street Journal According to the African Development Bank Group , the middle class now accounts for nearly 34% of the total population, which represents 313 millions people. It's a great uptick (more than 60%) since the beginning of the last decade, but major improvements remain to be done to enlarge further this group and include more the too many people that remain standing at the bottom of the pyramid . Expanding from the data of the African Development Group, the Wall Street Journal contends that A New Class of Consumers Grows in Africa . " Sustained economic growth in Africa has produced for the first time a broad middle class, one that cuts across the continent and is on par with the size of the middle classes in the billion-person emerging markets of China and India. The rise of a middle class in the world's poorest continent is a dramatic marker for the global economy. At a time when the U.S., Europe and Japan are struggling to grow, Afri