1. 2010 Sixth National Population Census Main Data Bulletin (No. 1) National Bureau of Statistics of the People’s Republic of China Published on April 28, 2011 …. V. Age Composition
The population of 31 provinces, autonomous regions, municipalities directly under the Central Government and active military personnel in the mainland is 222,459,737 people aged 0-14, accounting for 16.60%.
2. Short stature refers to children whose height is below the 3rd percentile or -2SD of the growth curve for healthy children of the same age and sex.
3.National number of short children = 222459737×3%= 6,673,792(people) ≈ 6.67 million.