The world 's 40 largest mega-regions produce two - thirds of global economic output and nearly nine in ten new patented innovations. 2
The world 's 40 largest mega-regions are home to some 18 % of the world 's population .
The world 's 40 largest mega-regions , which are home to some 18 % of the world 's population , produce two - thirds of global economic output and nearly nine in ten new patented innovations. 2