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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%.
The Demography of the World Population from 1950 to 2100. Data source: United Nations — World Population Prospects 2017. Demography (from Ancient Greek δῆμος (dêmos) 'people, society' and -γραφία (-graphía) 'writing, drawing, description') [1] is the statistical study of human populations: their size, composition (e.g., ethnic group, age), and how they change through the ...
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 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 ...
Records of births, deaths, marriages, immigration and emigration and a regular census of population provide information that is key to making sound decisions about national policy. [1] [2] A useful summary of such data is the population pyramid. It provides data about the sex and age distribution of the population in an accessible graphical ...
The demographic dividend refers to the beneficial impact of a decline in fertility rate on a country's population age structure and economic growth. [26] The older workers would spend more time on work and human capital of an ageing workforce is low, reducing labor productivity. [27]
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]
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.