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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, [13] 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%. [8] 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. [8] The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.
The population pattern of less-developed regions of the world in recent years has been marked by gradually declining birth rates. These followed an earlier sharp reduction in death rates. [ 22 ] This transition from high birth and death rates to low birth and death rates is often referred to as the demographic transition .
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 ...
That was well above the population decline of 850,000 in 2022, which had been the first since 1. HONG KONG (Reuters) -China's population fell for a second consecutive year in 2023, as a record low ...
Currently, 757 million humans live in the 101 largest cities; [40] these cities are home to 11% of the world's population. [40] By the end of the century, the world population is projected to grow, with estimates ranging from 6.9 billion to 13.1 billion; [40] the percentage of people living in the 101 largest cities is estimated to be 15% to 23 ...
HONG KONG — China said Tuesday that its population declined last year for the first time in six decades, a historic shift with profound implications for the world’s second-largest economy ...