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The total dependency ratio is the total numbers of the children (ages 0–14) and elderly (ages 65+) populations per 100 people of adults (ages 15–64). A high total dependency ratio indicates that the adult population and the overall economy face a greater burden to support and provide social services for youth and elderly persons, who are often economically dependent.
Dependency ratio. The dependency ratio is an age-population ratio of those typically not in the labor force (the dependent part ages 0 to 14 and 65+) and those typically in the labor force (the productive part ages 15 to 64). It is used to measure the pressure on the productive population. Consideration of the dependency ratio is essential for ...
For example, Zimbabwe and the Democratic Republic of the Congo both have extremely high aid dependency ratios and have experienced political turmoil. The politics of the Democratic Republic of the Congo have involved civil war and changing of regimes in the 21st century and have one of the highest aid dependency ratios in Africa.
This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1. The list also includes unrecognized but de facto independent countries.
The shape of the pyramid can also reveal the age-dependency ratio of a population. Populations with a high proportion of children and/or of elderly people have a higher dependency ratio. This ratio refers to how many old and young people are dependent on the working-age groups (often defined as ages 15–64).
Combined with longer life spans the result can be an increase in the dependency ratio which can put increased economic pressure on the work force. With the exception of Africa, dependency ratios are forecast to increase everywhere in the world by the end of the 21st century. Crisis in end of life care for the elderly.
The United States is an example of a country with growing opportunities as migration increases. [7] Other occurring problems caused by net migration is a rise in the dependency ratio, higher demand on government resources, and public congestion. A high dependency ratio can be a factor caused by net migration.
Demographic window. The Demographic Window is defined to be that period of time in a nation's demographic evolution when the proportion of population of working age group is particularly prominent. This occurs when the demographic architecture of a population becomes younger and the percentage of people able to work reaches its height.