Source. substantial population substantial population Chinese source population http://geography.about.com/od/populationgeography/... 1.4 billion people at hand, a full 20% 1.3 billion Chinese Chinese population 20% of the world’s population 1.4 billion people at hand, a full 20% World's biggest fan base: substantial population Chinese 1.3 billion of their fellow humans 3 billion people China's population 1.3 billion China's population 1,336,718,015 people 1.3 billion until 2030 over 1,300 million 1,336,718,015as of mid-2011 1.3 billion 20% of the world’s population China's population source a fifth 1.3 billion people 1.3 billion new users substantial population substantial population