Population aging refers to the increase in the proportion of older people in a population, typically defined as those aged 65 and over.

Economic recession is not a factor that can contribute to population growth. In fact, it can lead to population decline due to decreased fertility rates and increased mortality rates.

The crude death rate is the number of deaths in a population per 1,000 people per year.

Population aging does not necessarily lead to increased labor force participation of older workers. In fact, it can lead to decreased labor force participation due to retirement and other factors.

Migration is the movement of people from one place to another.

International migration is not a type of migration. It is a subcategory of migration that refers to the movement of people between countries.

The crude birth rate is the number of births in a population per 1,000 people per year.

Declining fertility rates do not necessarily lead to increased demand for eldercare services. In fact, they can lead to decreased demand due to a smaller population of older people.

The total fertility rate is the average number of children a woman is expected to have during her lifetime.

Migration does not necessarily lead to increased labor force participation. In fact, it can lead to decreased labor force participation due to language barriers and other factors.

Life expectancy is the number of years a person is expected to live.

Increasing life expectancy does not necessarily lead to increased labor force participation of older workers. In fact, it can lead to decreased labor force participation due to retirement and other factors.

Rural-urban migration is the movement of people from rural areas to urban areas.

Rural-urban migration does not necessarily lead to increased labor force participation in rural areas. In fact, it can lead to decreased labor force participation due to the loss of young and able-bodied workers.

Urban-rural migration is the movement of people from urban areas to rural areas.