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The following list of countries by age structure sorts the countries of the world according to the age distribution of their population. The population is divided into three groups: Ages 0 to 14 years: children. Ages 15 to 64 years: working population or adults. Over the age of 65: elderly, senior citizens.
Sri Lanka's population is aging faster than any other nation in South Asia and has the fifth highest rapidly growing population of older people in Asia after China, Thailand, South Korea and Japan. [ 16 ] [ 17 ] [ 18 ] In 2015, Sri Lanka's population aged over 60 was 13.9%, by 2030 this will increase to 21% and by 2050 this number will reach 27.4%.
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.
It is the only index associated with the age distribution of a population. [ 1 ] Currently, the median age ranges from a low of about 18 or less in most Least Developed countries to 40 or more in most European countries, Canada , Cuba , Hong Kong , Japan , South Korea , Taiwan , and Thailand .
This is a list of Asian countries and dependencies by population in Asia, total projected population from the United Nations [1] ... Sri Lanka: 0.5%: 21,893,579:
This list of countries by life expectancy provides a comprehensive list of countries alongside their respective life expectancy figures. The data is differentiated by sex, presenting life expectancies for males, females, and a combined average. In addition to sovereign nations, the list encompasses several non-sovereign entities and territories.
Population growth rate: 0.6%: 2019: World Bank [7] Infant mortality rates: 6 (per 1,000 live births) 2019: 55: 193: World Bank [8] Literacy rate: 92.5%: 2018: 90: 171: Central Bank of Sri Lanka [9] Net migration rate-4.6 (per 1,000 population) 2015-2020: United Nations, Department of Economic and Social Affairs, Population Division [10]
The following is a list of settlements in Sri Lanka with a population between 5,000 and 50,000. Towns. Town Image DS Division District Province Population Area [1]