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List of countries by age structure. 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.
Under Mao Zedong, China nearly doubled in population from 540 million in 1949 to 969 million in 1979. This growth slowed because of the one-child policy instituted in 1979. [14] The 2022 data shows a declining population for the first time since 1961. [15] Population pyramid of China from 1950 to 2022 Age structure projections for China up to 2100
With a population of about 129 million in 2022, [4] Mexico is the 10th most populated country in the world.It is the largest Spanish-speaking country in the world and the third-most populous country in the Americas after the United States and Brazil, [5] the most populous city in the country is the capital, Mexico City, with a population of 8.9 million (2016), and its metropolitan area is also ...
Aging of China. China's population pyramid, 2023 to 2100, as projected by the United Nations in 2022. China's population is aging faster than almost all other countries in modern history. [1][2] In 2050, the proportion of Chinese over retirement age will become 39 percent of the total population according to projections.
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]
A 2024 map of countries by fertility rate. Blue indicates negative fertility rates. Red indicates positive rates. This is a list of all sovereign states and dependencies by total fertility rate (TFR): the expected number of children born per woman in her child-bearing years.
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. [ 2 ][ 3 ] The median age of women tends to be much ...
The history of Mexico spans more than three millennia, beginning with the early settlement over 13,000 years ago. Central and southern Mexico, known as Mesoamerica, saw the rise of complex civilizations that developed glyphic writing systems, recording political histories and conquests.