Shanghai had 13 million in 2004 when I left, moved back last year and there is now 23-24 million people. I can't really name any western city that saw a populat

Shanghai had 13 million in 2004 when I left, moved back last year and there is now 23-24 million people. I can't really name any western city that saw a population increase of 10 million in 13 years.