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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.
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 .
The Chinese municipality of Chongqing, which is the largest city proper in the world by population, comprises a huge administrative area of 82,403 km 2, around the size of Austria. However, more than 70% of its 30-million population are agricultural workers living in a rural setting .
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.
With 11,454 senior workers in Plano, this North Texas city has the third-largest population of working retirees nationwide. In total, 27.6% of the area’s senior population is employed.
List of countries; Cities portal; External links. 2005 city population estimates for the world This page was last edited on 13 September 2024, at 00:24 (UTC). ...
This is a list of towns and cities in the world believed to have 100,000 or more inhabitants, sorted by countries. Unless otherwise noted, populations are based on United Nations estimates from 2022. Unless otherwise noted, populations are based on United Nations estimates from 2022.
This is a list of the highest settlements by country. Many of these are too small to be regarded as towns or cities. Only permanent settlements occupied year-round are included. When possible, the highest point in the contiguous year-round settlement is listed, though average heights or the elevations of a central point may also be found.