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A man uses his cellphone to take a picture while standing in front of a poster depicting a happy one-child family in Shanghai, China on 27 July 2009.  As China's largest city age rapidly, city family planning officials have begun to actively encourage young couples who are themselves both only child to have two kids. First implemented in 1979, the one-child policy has lessened an estimated 400 million fewer births in China.
A man uses his cellphone to take a picture while standing in front of a poster depicting a happy one-child family in Shanghai, China on 27 July 2009. As China's largest city age rapidly, city family planning officials have begun to actively encourage young couples who are themselves both only child to have two kids. First implemented in 1979, the one-child policy has lessened an estimated 400 million fewer births in China.