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  1. Apr 2, 2024 · Estimating when the world will reach the turning point is challenging. The new model from IHME is based on how many children each population “cohort”—people born in a specific year—will give birth to over their lifetime. It captures changes such as a move to childbirth later in life.

    • Background and Characteristics of Population Explosion and Implosion
    • History of Population Explosion and Implosion
    • Socioeconomic Consequences of Population Explosion and Implosion

    Understanding of population explosion and implosion should be contextualized in demographic transition (Coulmas and Lutzeler 2011). Demographic transition onset differs at diversified pace worldwide, as turning points of fertility and mortality decline differ among countries. In fact, natural population growth rate in rich countries has declined to...

    Population explosion first appeared on a small scale in Europe and America between 1870 and 1950, followed by a more intensive and pervasive population explosion that occurred in Asia, Latin America, and Africa since the 1950s (Bavel 2013). Population explosion drew public attention in the 1960s by the news titled That Population Explosion in Time ...

    Benefiting from postwar baby boom, population explosion became salient in the 1960s and showed positive influences on socioeconomic development. The demographic dividend resulting from baby boomers’ adulthood, is to bring a higher labor force participation rate. However, to reap benefits of demographic dividends, investments on human capital are ne...

    • Japan. Japan's population will more than halve, from a peak of 128 million in 2017 to less than 53 million by the end of the century, the researchers behind the new Lancet study predict.
    • Italy. The Italian population is also expected to more than halve, from 61 million in 2017 to 28 million by the end of the century, according to the Lancet study.
    • China. In 1979, China famously introduced its controversial one-child policy to try to slow population growth amid concerns over the effect it would have on its plans for economic growth.
    • Iran. Iran is also expected to see its population significantly decline by the end of the century. The country experienced a population boom after the Islamic Revolution in 1979, but went on to implement an effective population control policy.
  2. But according to the MIT model, the population will peak at 11 billion by 2050 before collapsing, while in the UN medium-variant projection, the population gradually stabilizes at this level by around 2100.

  3. Nov 18, 2009 · After decades of struggling to contain the global population explosion that emerged from the healthcare revolution of the 20th century, the world confronts an unfamiliar crisis: rapidly...

  4. In the world population debate, the general concerns involve mainly three interconnected consequences of the population explosion: 1) the growing poverty in the world and famine; 2) the exhaustion and pollution of natural resources essential to human survival; and 3) the migration pressure from the poor South to the rich North (Van Bavel, 2004).

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  6. Jun 1, 2004 · The human population would reach its apogee around the year 2040 at somewhat over 7.7 billion—about one third more than the 5.8 billion thought to be alive today. Between 2040 and 2050, the world’s population would fall by about 85 million. From then on, world population would shrink by roughly 25% with each successive generation [7].

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