Human population
It is a social entity with complex content and comprehensive social relations, with gender, age and natural elements, various social elements and social relations, economic elements and economic relations.
The birth, death and marriage of the population are in family relations, ethnic relations, economic relations, political relations and social relations, and all social activities, social relations, social phenomena and social problems are related to the population development process.
Population is the necessary condition of social material life and the basis and subject of all social production behaviors. On 2022165438+1October 15, the United Nations announced that the world population would reach 8 billion in 2022 165438+ 10/5.