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Decline in innovation. A falling population also lowers the rate of innovation, since change tends to come from younger workers and entrepreneurs. [10] Strain on mental health. Population decline may harm a population's mental health (or morale) if it causes permanent recession and a concomitant decline in basic services and infrastructure. [12]
The recovery of the birth rate in most western countries around 1940 that produced the "baby boom", with annual growth rates in the 1.0 – 1.5% range, and which peaked during the period 1962–1968 at 2.1% per year, [2] temporarily dispelled prior concerns about population decline, and the world was once again fearful of overpopulation.
The current world population growth is approximately 1.09%. [5] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [5] The world's literacy rate has increased dramatically in the last 40 years, from 66.7% in 1979 to 86.3% today. [13]
It is also a natural biological phenomenon: The world’s population has tripled in the last 70 years—and will settle into a new dynamic equilibrium as limitations are reached, with an expected ...
The report — released on World Population Day — says the global population is then expected to decline to around 10.2 billion by the end of the century. John Wilmoth, head of the U.N ...
Based on this, the UN projected that the world population, 8 billion as of 2023, would peak around the year 2086 at about 10.4 billion, and then start a slow decline, assuming a continuing decrease in the global average fertility rate from 2.5 births per woman during the 2015–2020 period to 1.8 by the year 2100 (the medium-variant projection).
The US population is projected to peak in 2080, then start declining, according to a new analysis by the US Census Bureau. Projections released Thursday predict the country’s population will ...
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.