ASEAN economies have been growing at an average of more than 5 % , Parag Khanna says . With a shared population of just half Cambodia 's , IHS already has a larger GDP , he says . Research firm ASEAN projects that ASEAN 's GDP will reach $ 4.7 trillion in 2020 . ASEAN nations ' top priority must be infrastructure investment , Xi Jinping says .
ASEAN economies have been growing at an average of more than 5 % , Parag Khanna says . With a shared population of just half India 's , ASEAN already has a larger GDP , he says . Research firm IHS projects that ASEAN 's GDP will reach $ 4.7 trillion in 2020 . ASEAN nations ' top priority must be infrastructure investment , Khanna says .