Population aging is the term used to describe the increasing proportion of older people in a population.

The main economic impact of population aging is increased government spending on healthcare and pensions.

Population decline is the term used to describe the decline in the fertility rate.

The main economic impact of population decline is decreased economic growth.

Urbanization is the term used to describe the movement of people from rural to urban areas.

The main economic impact of urbanization is increased economic growth.

Migration is the term used to describe the movement of people from one country to another.

The main economic impact of migration is increased economic growth.

Internal migration is the term used to describe the movement of people from one region of a country to another.

The main economic impact of internal migration is increased economic growth.

Emigration is the term used to describe the movement of people from a country to another country.

The main economic impact of emigration is increased economic growth.

Immigration is the term used to describe the movement of people from a country to another country.

The main economic impact of immigration is increased economic growth.

Remigration is the term used to describe the movement of people from a country to another country.

The main economic impact of remigration is increased economic growth.