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El Alto in Bolivia is the highest-altitude city in the world. This list of the highest cities in the world includes only cities with a population greater than 100,000 inhabitants and an average height above sea level over 2,000 metres (6,600 ft).
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.
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. [6] [7]
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 .
That is the case for every country in the world except the 18 countries designated as "demographic outliers" by the United Nations. [2] [failed verification] The aged population is currently at its highest level in human history. [3] The UN predicts the rate of population ageing in the 21st century will exceed that of the previous century. [3]
This article lists the largest human settlements in the world (by population) over time, as estimated by historians, from 7000 BC when the largest human settlement was a proto-city in the ancient Near East with a population of about 1,000–2,000 people, to the year 2000 when the largest human settlement was Tokyo with 26 million.
List of countries; Cities portal; ... 2005 city population estimates for the world This page was last edited on 13 September 2024, at 00:24 (UTC). Text is ...
There is no globally standardised definition of what constitutes a city, and municipal divisions differ from country to country. If only the administrative boundaries of a city were taken into account, Chongqing would be the largest city in the world, with 32 million inhabitants. However, the urban population is significantly smaller at just ...