China on Wednesday gave its first-ever assessment of the scourge of drug abuse, saying it caused annual economic losses of 500 billion yuan ($80.54 billion) and as many as 49,000 deaths last year.

China has intensified a crackdown on drugs as the rise of a new urban class with greater disposable income has fueled a surge in the numbers of drug addicts.

In its fight on drug abuse, the government arrested a string of celebrities, including the son of Hong Kong kungfu movie star Jackie Chan. Jaycee Chan, 32, was released in February, after serving a six-month jail sentence on drug charges.

China has more than 14 million drug users, Liu Yuejin, assistant minister of public security, told a news conference.

“The direct economic losses caused by drug use in the entire country have hit 500 billionyuan annually,” Liu said.

Drug abuse had killed at least 49,000 registered users by the end of 2014 and fueled a rise in crimes such as murder, abduction and rape, Liu added.

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