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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. The age structure of a country has a strong impact on society and the economy. If the proportion of 0–14-year-olds is very high, there may be a so-called youth bulge. If ...
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.
Population distribution by age and sex for Angola in 2005. A population pyramid (age structure diagram) or "age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1]
The median age of the total population as of 2021 is 38.8 years; the male median age is 37.7 years; the female median age is 39.8 years. [52] Median age of the U.S. population through history. Source: U.S. Department of Commerce. Bureau of Census, United States Census Bureau and The World Factbook. [63] [64]
This is a list of U.S. states, the District of Columbia and territories by median age in 2020. [note 1] The median age is the index that divides the entire population into two numerically equal age groups, one younger than that age and the other older than that age. It is the only index associated with the age distribution of a population.
Median Age – 31 years (male: 30.3 years, female: 31.8 years, 2021 est.) According to a report by the Global Social Change Research Project, worldwide, the percent of the population age 0–14 declined from 34% in 1950 to 27% in 2010. The elderly population (60+) increased during the same period from 8% to 11%. [81]
Population pyramid of China (2018) Population ageing is an increasing median age in a population because of declining fertility rates and rising life expectancy. Most countries have rising life expectancy and an ageing population, trends that emerged first in developed countries but are now seen in virtually all developing countries. In most ...
Population by age group Age group Male Female Total Percentage (%) Cumulative Percentage 0–4 58,632,074 54,174,704 112,806,778 9.32 9.32 5–9 66,300,466