Whether food supply and demand can be balanced depends on the speed of population and economic growth. On the one hand, population growth will lead to an increase in the demand for food; on the other hand, economic growth will promote the increase in consumption of livestock products and change the diet structure of people. Global cereal demand has an impact. According to this:. ['Population growth will affect global cereal demand.', 'Changing diets will reduce global cereal demand.', 'Economic growth can reduce global cereal demand.', 'Population growth will lead to an increase in world consumption of livestock products.']