Fig. 3: Market size of restaurant industry, and market size and penetration rate of online food delivery industry in China from 2015 to 2021 (100 million yuan, %).

The gray and black columns show the restaurant industry’s market size and online food delivery industry’s market size, respectively. The line shows the penetration rate of online food delivery in China from 2015 to 2021. Source: National Bureau of Statistics of China. (2022). Annual data report of the restaurant industry. http://www.stats.gov.cn/ China Hotel Association, Ali New Service Research Center, Ele.me Training and Learning Center and Keruyun (2022). 2020–2021 Research Report on Food Delivery Industry Development in China. http://www.aliresearch.com/ch/information/informationdetails?articleCode=243631150608814080&type=%E6%96%B0%E9%97%BB.