• The one-child policy was a Chinese government policy to curb population growth. It is estimated to have prevented about 400 million births in the country.

  • It was introduced in 1979 and abolished in 2015, with a mix of rewards and sanctions.
  • The one-child policy has had three important consequences for China’s demographics: it has significantly lowered the birth rate, skewed China’s sex ratio as people chose to abort or abandon their female babies, and led to a labor shortage due to more elderly people rely on their children to take care of them.