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In page Demographics of China:

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The People's Republic of China is the second most-populous country in the world and Asia with a population exceeding 1.4 billion, only surpassed by India. Historically, China has always been one of the nation-states with the most population. Experts say China will shrink to half of its population from 1.4 billion in present-day to just 872 million by the late 21st century.[citation needed]