Search results
Results from the WOW.Com Content Network
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 .
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 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]
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.
Japan has the highest proportion of elderly citizens of any country in the world. [1] 2014 estimates showed that about 38% of the Japanese population was above the age of 60, and 25.9% was above the age of 65, a figure that increased to 29.1% by 2022. By 2050, an estimated one-third of the population in Japan is expected to be 65 and older. [2]
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]
Geography of aging or gerontological geography is an emerging field of knowledge of human geography that analyzes the socio-spatial implications of aging of the population from the understanding of the relationships between the physical-social environment and the elderly, at different scales, micro (city, region, country), etc.
The population, population density and land area for the cities listed are based on the entire city proper, the defined boundary or border of a city or the city limits of the city. The population density of the cities listed is based on the average number of people living per square kilometer or per square mile.