...Between 2015 and 2050, the world's population is projected to grow by one-third, to 9.3 billion people, with emerging market (EM) economies accounting for 99% of the increase. In absolute and percentage terms, the forecast growth is lower than the period from 1950 to 2015, when population jumped from 2.5 billion to 7.3 billion people, but the concentration in EMs (91% in 1950-2015) is greater. Over the last several decades, a number of EM economies have benefitted from favourable demographic conditions, growing quickly and reducing poverty. The decades ahead offer similar opportunities for another set of EMs....