According to the study conducted by scientists from Oxford University, the Chinese Academy of Medical Sciences and the Chinese Center for Disease Control has revealed this shocking information.
The scientists conducted two nationwide studies, 15 years apart, covering hundreds of thousands of people.
If current trends continue, the annual number of tobacco deaths in China, mostly among men, will reach two million by 2030, the research said calling it a "growing epidemic of premature death".
The study report, published in The Lancet medical journal, says two-thirds of men in China now start to smoke before 20.
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Chinese people consumes over a third of the world's cigarettes, and has a sixth of the global smoking death toll.
According to the World Health Organization (WHO), globally tobacco kills up to half of its users.