[The Chinese population is tagged, like pigs and sheep?]
That’s what its rulers would wish. The reality is quite different. The standard narrative - reinforced by regime propaganda pushed out in hopes of this being self-fulfilling prophecy - is that they are docile. The reality is that the hoi polloi are just biding their time. Alone among major civilizations, Chinese peasant revolts have spawned three major dynasties - the Han, the Ming and the current Red. Collectively, these peasant-founded regimes have ruled China for almost 800 years. That’s not even counting the numerous other Chinese peasant revolts that came within a whisker of gaining the throne.
https://en.wikipedia.org/wiki/Shun_dynasty https://en.wikipedia.org/wiki/Taiping_Rebellion Whereas in most other civilizations, regime changes typically involved groups of noble families fighting for the throne.