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Global Aging Trends and Impacts on Society

Understand the dynamics of global aging and its impact on populations. Explore factors influencing demographic changes like fertility rates, migration, and mortality. Discover how aging populations are reshaping societies worldwide.

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Global Aging Trends and Impacts on Society

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  1. Global Population Aging

  2. What is population aging? • Older people (often, people aged 65+) are a greater percentage of the population • The average age of the population gets older • The ratio of older people to younger people increases

  3. Why do populations change? • Three basic processes affect who is counted as a member of a group • Fertility • People being born • Migration • People moving from place to place • Mortality • People dying

  4. Which process do you think usually drives population aging?

  5. Fertility changes are key • If people live longer but keep having lots of children, the age structure of the population does not change. • If women have fewer children, a higher percentage of people in a population will be old. • So – declining fertility rates are the key.

  6. Fertility rates, 1950 and 2005 Africa: 6.7 -> 5.1 Asia: 5.9 -> 2.5 Latin American / Caribbean: 5.9 -> 2.6 North America: 3.5 -> 2.0 Europe: 2.7 -> 1.4

  7. Mortality changes are also important • Increasing life expectancy contributes to population aging • Especially when infant mortality is lowered • More people survive to become old

  8. Does migration have an effect? • Migration has little effect on population aging at a national level. • In some smaller areas, out-migration of younger people may lead to population aging • Especially in rural areas

  9. United States, 1950

  10. United States, 2000

  11. United States, 2050

  12. India, 2000

  13. India, 2025

  14. India, 2050

  15. Russia, 2000

  16. Russia, 2050

  17. Want to see more? • http://www.census.gov/ipc/www/idb/informationGateway.php

  18. Global Aging: Top 10 Oldest Countries

  19. Percent Aged 65 and Over: 2000

  20. Percent Aged 65 and Over: 2030

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