Yes, see the work of Fuxian Yi as one example: https://www.reuters.com/world/china/researcher-questions-chinas-population-data-says-it-may-be-lower-2021-12-03/

Yes, see the work of Fuxian Yi as one example: https://www.reuters.com/world/china/researcher-questions-chinas-population-data-says-it-may-be-lower-2021-12-03/ https://www.reuters.com/world/china/researcher-questions-chi...