The impact of urbanization and aging on food security in developing countries: The view from Northwest China

Different from the urbanization and aging population challenges experienced by developed countries, developing countries face huge impacts of these challenges on food security. Previous studies on the effects of urbanization and an aging population in developing countries on food security were mostly qualitative discussions and focused on individual aspects of grain production or consumption. In this paper, we combine rural household survey data with statistical data to comprehensively assess and reveal the impact of these two factors on food security in developing countries. Their impact on food security has both negative and positive aspects. Taking Northwest China as an example, the grain yield of every family will increase by 26.0 and −9.4 kg (P