In demographics, the term world population is often used to refer to the total number of humans currently living, and was estimated to have exceeded 7.
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In demographics, the term world population is often used to refer to the total number of humans currently living, and was estimated to have exceeded 7.
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The global Human population is still increasing, but there is significant uncertainty about its long-term trajectory due to changing rates of fertility and mortality.
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From 200 to 400, the world Human population fell from an estimated 257 million to 206 million, with China suffering the greatest loss.
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Between 1700 and 1900, Europe's Human population increased from about 100 million to over 400 million.
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China's Human population rose from approximately 430 million in 1850 to 580 million in 1953, and now stands at over 1.
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The median age of the world's Human population is estimated to be 31 years in 2020, and is expected to rise to 37.
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Nonetheless, Human population growth has been the long-standing trend on all inhabited continents, as well as in most individual states.
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In 2019, the United Nations reported that the rate of Human population growth continues to decline due to the ongoing global demographic transition.
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The United Nations and the US Census Bureau both give different estimates – according to the UN, the world Human population reached seven billion in late 2011, while the USCB asserted that this occurred in March 2012.
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In December 2019, the German Foundation for World Population projected that the global Human population will reach 8 billion by 2023 as it increases by 156 every minute.
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Some analysts have questioned the sustainability of further world Human population growth, highlighting the growing pressures on the environment, global food supplies, and energy resources.
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The hyperbolic growth of the world Human population observed until the 1970s was later correlated to a non-linear second-order positive feedback between demographic growth and technological development.
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