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 . Furthermore , with their high savings rates , dynamic private sectors , and growing interest from international markets , much more indigenous and foreign capital can be allocated towards public-private investment pools that can finance long-term infrastructure needs . 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 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 .