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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.
The dependency ratio is the age-population ratio of people who are normally not in the labor force (the dependent population, which includes those aged 0 to 14 and 65 and older) to those who are (the productive part, ages 15 to 64). It is used to gauge the strain on the populace that is productive.
Old-age dependency ratio as of 2017 [9] This chart depicts the old age dependency ratio in the US [10] A high dependency ratio can cause serious problems for a country if a large proportion of a government's expenditure is on health, social security & education, which are most used by the youngest and the oldest in a population.
Population density (people per km 2) by country. This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile.
Rank Country (or dependent territory) Population (2023) % of pop. (2022) Average relative annual growth (%) [1] (2022) Average absolute annual growth (2015) [2] Date of last figure
Country / dependency % total North America population % change Official figure Official date; 1
Other regions, notably Europe and North America, will face similar situations in the near future, with East Asia to follow after that. China's old age dependency ratio has increased from 37 in 2011 to 45 in 2022. [20] This represents the number of dependents, children, and people over 65 per 100 working adults. [19]
List of sovereign states by male to female income ratio; List of sovereign states by market capitalization of listed domestic companies; List of sovereign states by Official Development Assistance received; List of sovereign states by research and development spending; List of sovereign states by wealth inequality