Asia 'to eclipse' US and Europe by 2030 - US report
Asia will wield more global power than the US and Europe combined by 2030, a forecast from the US intelligence community has found.
Within two decades China will overtake the US as the world's largest economy, the report adds.
It also warns of slower growth and falling living standards in advanced nations with ageing populations.
Global Trends 2030, issued to coincide with Mr Obama's second term, says it aims to promote strategic thinking.
Published every four years, the report from the National Intelligence Council (NIC) aims to draw together a wide sweep of "megatrends" driving transformation in the world.