List of Chinese provincial-level divisions by sex ratio

The sex ratio of the different administrative divisions of China has been the subject of academic study because of a high imbalance in births since the 1990s and female infanticide further worsening the imbalanced sex ratios at birth. == Gender ratio (males every 100 females) at birth == == Gender ratio at ages 1-4 == The figures are from the 2000 census, intercensus survey of 2005 (which was carried out in November 2005 on a representative 1% of the total population), 2010 census, and 2020 census.

Source: Wikipedia — List of Chinese provincial-level divisions by sex ratio (CC BY-SA 4.0)