Talk:Population history of China

Pre-Han Population
Where do the population figures for the periods before the Han dynasty come from? In the sources cited, I could only find population figures for years after 0 CE.

Wiki Education assignment: Research Process and Methodology - SU22 - Sect 202 - Tue
— Assignment last updated by Cindyhong123 (talk) 14:18, 9 August 2022 (UTC)