… Shanghai, China!
According to The Journal of Commerce, Shanghai edged out Singapore for the title in 2010 by handling 29.05 million 20-foot equivalent units (TEUs) of containers in 2010, an increase of 16.2 percent over the volume of 25 million TEUs it handled in 2009.
Shanghai has benefited from China’s State Council’s policies and programs, the goal of which is to make Shanghai a leading shipping center by 2020 — the same year by which the government hopes the city will become a global financial center.
Singapore had qualified as the world’s largest container port since 2005, overtaking Hong Kong in that year.
Full article is here.