“demographic structure”簡單造句，demographic structure造句子

People who are optimistic about growth believe that India's strength lies in its demographic structure.

This policy will optimize the demographic structure, increase the labor force, ease the pressure of aging population and ensure the sustainable and healthy development of the economy and society.

The sources reveal information about the demographic structure and the spaces of women's lives, and describe the threats faced by Qing widows, such as kidnap and forced remarriage.