Checking one's assumptions about "Africa" has become a trope -- but it's still important to do, and still surprising. In The Fastest Billion, economist Charles Robertson and his co-authors suggest that behind the stereotyped narrative are some jawdropping indicators of extreme economic and social growth. He and colleagues make the case that Africa is moving away -- quickly -- from the "bottom billion" and  "will be the fastest continent to reach the fourth economic age ... of high-income, low-corruption and generally democratic norms." Rich in resources, and powered by young people who are holding leaders to account in new ways, Africa’s economies are now returning some of the highest growth rates on Earth. How will this trend play out?
 
Robertson, a leading emerging markets specialist, is the global chief economist and head of the macro-strategy unit at Renaissance Capital, where he covers the global economic themes having the greatest impact on emerging markets.