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  2. Human population projections - Wikipedia

    en.wikipedia.org/wiki/Human_population_projections

    The UN Population Division has calculated the future population of the world's countries, based on current demographic trends. The UN's 2024 report projects world population to be 8.1 billion in 2024, about 9.6 billion in 2050, and about 10.2 billion in 2100. The following table shows the largest 15 countries by population as of 2024, 2050 and ...

  3. List of countries by age structure - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_age...

    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 age structure of a country has a strong impact on society and the economy. If the proportion of 0–14-year-olds is very high, there may be a so-called youth bulge. If ...

  4. We are almost a Super-Aging Society. Let’s take ... - AOL

    www.aol.com/news/almost-super-aging-society-let...

    OpEd: The United Nations’ 2019 report on World Population Ageing noted that for the first time in human history, those 65 and older exceeded the number of children 5 and under. This is not a ...

  5. List of countries by past and projected future population

    en.wikipedia.org/wiki/List_of_countries_by_past...

    The national 1 July, mid-year population estimates (usually based on past national censuses) supplied in these tables are given in thousands. The retrospective figures use the present-day names and world political division: for example, the table gives data for each of the 15 republics of the former Soviet Union, as if they had already been independent in 1950.

  6. 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 ...

  7. Aging of the United States - Wikipedia

    en.wikipedia.org/wiki/Aging_of_the_United_States

    Population pyramid of the United States in 2023. In recent decades, the fertility rate of the United States has declined below replacement level, prompting projections of an aging population and workforce, [1] [2] as is already happening elsewhere in the developed world and some developing countries. [3]

  8. Aging of China - Wikipedia

    en.wikipedia.org/wiki/Aging_of_China

    China's population pyramid, 2023 to 2100, as projected by the United Nations in 2022. China's population is aging faster than almost all other countries in modern history. [1] [2] In 2050, the proportion of Chinese over retirement age will become 39 percent of the total population according to projections.

  9. List of world regions by life expectancy - Wikipedia

    en.wikipedia.org/wiki/List_of_world_regions_by...

    Life expectancy for population in general Life expectancy for male Life expectancy for female Sex gap Population (thous.) at birth bonus 0→15 at 15 bonus 15→65 at 65 bonus 65→80 at 80 at birth at 15 at 65 at 80 at birth at 15 at 65 at 80 at birth at 15 at 65 at 80 Australia/New Zealand: 83.62: 0.38: 69.00: 2.51: 21.51: 3.40: 9.91: 81.82 ...