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→Fertility
Demographic analysis is an integral part of [[epidemiology]] where it is used to understand the sauses and distribution of diseases. It is used in health policy studies to examine the availability of medical services for different populations.
Demographic analysis is an integral part of [[epidemiology]] where it is used to understand the sauses and distribution of diseases. It is used in health policy studies to examine the availability of medical services for different populations.
==Fertility==
== Potential global demographic crisis ==
[[File:Elon Musk Demographic Crisis is real.jpg|thumbnail|350px|“One of the biggest risks to civilization is the low birth rate and rapidly declining birthrate.” - [[Elon Musk]]<ref>[https://www.washingtontimes.com/news/2021/dec/14/demographic-winter-the-plague-of-the-century/ Demographic winter: The plague of the century], Washington Times, 2021</ref>]]
“One of the biggest risks to civilization is the low birth rate and rapidly declining birthrate.” - [[Elon Musk]]<ref>[https://www.washingtontimes.com/news/2021/dec/14/demographic-winter-the-plague-of-the-century/ Demographic winter: The plague of the century], Washington Times, 2021</ref>
"There are two kinds of people in the world: Those who believe the defining challenge of the 21st century will be [[Global warming|climate change]], and those who know that it will be the birth dearth, the population bust, the old age of the world." - Ross Douthat, token [[conservative]] at the ''[[New York Times]]''.<ref>[https://www.mercatornet.com/which_is_more_frightening_global_warming_or_demographic_winter Which is more frightening: global warming or demographic winter?] by LOUIS T. MARCH</ref>
[[Demography]] is the study of human populations, and is a major specialty in the disciplines of sociology, economics, history, geography, statistics and epidemiology.
There have been some excellent works published about an impending demographic winter due to subreplacement fertility rates in many countries and the falling fertility rates in countries with replacement levels of births per woman which is 2.1 births per woman.<ref>
*[https://www.youtube.com/watch?v=S9nvsv9e6DY Stephen J Shaw: The surprising truth about world fertility rates], TRT World video
*[https://www.youtube.com/watch?v=lZeyYIsGdAA Demographic Winter - the decline of the human family] - Film documentary
*[https://www.visualcapitalist.com/when-will-the-global-population-reach-its-peak/ When Will the Global Population Reach Its Peak?], 2023
*[https://www.washingtontimes.com/news/2021/dec/14/demographic-winter-the-plague-of-the-century/ Demographic winter: The plague of the century], Washington Times, 2021</ref>
Between 1950 and 2017, worldwide, the fertility fell from 4.7 births per woman to 2.4.<ref>[https://www.washingtontimes.com/news/2021/dec/14/demographic-winter-the-plague-of-the-century/ Demographic winter: The plague of the century], Washington Times, 2021</ref> In 2023, the [[United Nations]] projected that the worldwide fertility rate will drop to 2.1 births per woman by 2050.<ref>[https://www.unfpa.org/swp2023/too-few#:~:text=Worldwide%2C%20fertility%20has%20fallen%20from,births%20per%20woman%20by%202050. The Problem with "too few], UN website, 2023</ref> Below is a graph of world demographic projections from 2050 to 2100.<ref>[https://www.visualcapitalist.com/when-will-the-global-population-reach-its-peak/ When Will the Global Population Reach Its Peak?], 2023</ref>
'''Examples of excellent articles/documentaries/videos on an impending demographic winter in the world:'''
*[https://www.youtube.com/watch?v=S9nvsv9e6DY Stephen J Shaw: The surprising truth about world fertility rates], TRT World video
*[https://www.youtube.com/watch?v=lZeyYIsGdAA Demographic Winter - the decline of the human family] - Film documentary
*[https://www.visualcapitalist.com/when-will-the-global-population-reach-its-peak/ When Will the Global Population Reach Its Peak?], 2023
*[https://www.mercatornet.com/demography Articles on the demographic crisis and the demography]
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[[File:The world in 2100.png|thumbnail|center|2200px|World population projections by the United Nations and International Institute for Applied Systems Analysis.<ref>[https://www.visualcapitalist.com/when-will-the-global-population-reach-its-peak/ When Will the Global Population Reach Its Peak?], 2023</ref>
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The United Nations projected world population peak was made in 2022.<ref>[https://www.visualcapitalist.com/when-will-the-global-population-reach-its-peak/ When Will the Global Population Reach Its Peak?], 2023</ref>
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The International Institute for Applied Systems Analysis projected population peak was made in 2014.<ref>[https://www.visualcapitalist.com/when-will-the-global-population-reach-its-peak/ When Will the Global Population Reach Its Peak?], 2023</ref> ]]
[[File:Population projection 2022.png|thumbnail|center|2200px|2022 United Nations world population projections to 2100 with confidence level information.]]
{{Clear}}
==Mortality==
==Mortality==
*see [[Mortality]]
*see [[Mortality]]