As of Saturday, the Chinese mainland had administered nearly 3.46 billion doses of COVID-19 vaccines. Assuming every person needs two doses, that's enough to vaccinate about 122 percent of the country's population, and 82 percent of population for three doses each and 61 percent for four doses. 

China has recently launched a second COVID-19 booster shot, offering a fourth dose to certain groups who had received their first booster shot more than six months earlier.

Data editor: Zhao Hong

Graphics designer: Mukesh Mohanan