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  2. Population ageing - Wikipedia

    en.wikipedia.org/wiki/Population_ageing

    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. In most developed countries, the phenomenon ...

  3. Demographic economics - Wikipedia

    en.wikipedia.org/wiki/Demographic_economics

    Demographic economics or population economics is the application of economic analysis to demography, the study of human populations, including size, growth, density, distribution, and vital statistics.

  4. Dependency ratio - Wikipedia

    en.wikipedia.org/wiki/Dependency_ratio

    The population structure of a country is an important factor for determining the economic status of their country. Japan is a great example of an aging population. They have a 1:4 ratio of people 65 years and older. This causes trouble for them because there is not enough people in the working-age population to support all of the elders.

  5. Aging and society - Wikipedia

    en.wikipedia.org/wiki/Aging_and_society

    Even so, it has been estimated that population ageing only explains 0.2 percentage points of the annual growth rate in medical spending of 4.3 percent since 1970. In addition, certain reforms to the Medicare system in the United States decreased elderly spending on home health care by 12.5 percent per year between 1996 and 2000. [34]

  6. Demography - Wikipedia

    en.wikipedia.org/wiki/Demography

    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 ...

  7. Subsistence agriculture - Wikipedia

    en.wikipedia.org/wiki/Subsistence_agriculture

    This form of agriculture is sustainable at low population densities, but higher population loads require more frequent clearing which prevents soil fertility from recovering, opens up more of the forest canopy, and encourages scrub at the expense of large trees, eventually resulting in deforestation and soil erosion. [15]

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Silver economy - Wikipedia

    en.wikipedia.org/wiki/Silver_economy

    The silver economy is analyzed in the field of social gerontology not as an existing economic system but as an instrument of ageing policy and the political idea of forming a potential, needs-oriented economic system for the aging population. [1] [2] Its main element is gerontechnology as a new scientific, research and implementation paradigm. [3]