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This picture taken on January 19, 2015 shows a Chinese baby in the arms of his father at a furniture store in Beijing.  China's working-age population continued to fall in 2014, the government said on January 20, as Beijing struggles to address a spiralling demographic challenge made worse by its one-child policy.    AFP PHOTO/GOH CHAI HIN        (Photo credit should read GOH CHAI HIN/AFP/Getty Images)
This picture taken on January 19, 2015 shows a Chinese baby in the arms of his father at a furniture store in Beijing.  China's working-age population continued to fall in 2014, the government said on January 20, as Beijing struggles to address a spiralling demographic challenge made worse by its one-child policy.    AFP PHOTO/GOH CHAI HIN        (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

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What you need to know about China's one-child policy

CNN's Kristie Lu Stout explains the significance behind China's decision to change it's one-child policy.

What you need to know about China's one-child policy

CNN's Kristie Lu Stout explains the significance behind China's decision to change it's one-child policy.