world population definition

[43] Over the centuries, the Europeans had developed high degrees of immunity to these diseases, while the indigenous peoples had no such immunity. Typically, this term is used to measure the number of people in an area, such as a city, country or continent, although this term can also be used in agriculture. In many early attempts, such as in Ancient Egypt and the Persian Empire, the focus was on counting merely a subset of the population for purposes of taxation or military service. The latter equally depended on period, location and social standing, but calculations identify averages from roughly 30 years upward. What does population growth mean? More than 50 per cent of the population … Population Distribution Definition. World population The world population is the total number of living humans on Earth. "[167] African wildlife populations are declining significantly as growing human populations encroach on protected ecosystems, such as the Serengeti. Observations Concerning the Increase of Mankind, Peopling of Countries, etc. Is that a good thing? The world population growth rate declined from 2.2% per year 50 years ago to 1.05% per year. Growth rates are the annual changes in population resulting from births, deaths and net migration during the year. b. [104] However, this is only one of many estimates published by the UN; in 2009, UN population projections for 2050 ranged between around 8 billion and 10.5 billion. ( 2 ) Census reports and other statistical publications from national statistical offices, ( 3 ) Eurostat: Demographic Statistics, ( 4 ) United Nations Statistical Division. "[40] By the end of the 20th century, scholarly consensus favored an estimate of roughly 55 million people, but numbers from various sources have ranged from 10 million to 100 million. Definitions. [182] Haub (1995) prepared another figure, updated in 2002 and 2011; the 2011 figure was approximately 107 billion. Food and Agriculture Organization of the United Nations, "World’s Most Typical Person: Han Chinese Man", "Religious Composition by Country, 2010-2050", "Федеральная служба государственной статистики", "Indicadores demográficos de México de 1950 a 2050 - Selecciona un año para la República Mexicana - Indicadores demográficos de la República Mexicana en el año", "Japan's population suffers biggest fall in history", "UN population estimates and projections, database query, August 2009", World population to keep growing this century, hit 11 billion by 2100, "World Population Prospects: The 2008 Revision", Population Division of the Department of Economic and Social Affairs of the United Nations Secretariat, "World Population Prospects The 2015 Revision", "Toba super-volcano catastrophe idea "dismissed, Total Midyear Population for the World: 1950-2050, "Notes on the World POPClock and World Vital Events", "World Population Prospects, the 2012 Revision – "Low variant" and "High variant" values", "World population projected to reach 9.6 billion by 2050 – UN report", "A model predicts that the world's populations will stop growing in 2050", "World population to hit 12bn in 2100 – with 70% chance of continuous rise", "World population stabilization unlikely this century", "World Population Prospects 2019: Highlights", "World's population to hit 7.75 billion in 2019", "World population in 2100 could be 2 billion below UN forecasts, study suggests", "Landmark analysis documents the alarming global decline of nature", "Overpopulation's Real Victim Will Be the Environment", "World Population Prospects: The 2019 Revision", "World Population – Total Midyear Population for the World: 1950–2050", "A Compact Mathematical Model of the World System Economic and Demographic Growth, 1 CE – 1973 CE", "The phenomenological theory of world population growth", "World faces 'perfect storm' of problems by 2030, chief scientist to warn", "Paul Ehrlich, a prophet of global population doom who is gloomier than ever", "Constraints on the Expansion of the Global Food Supply", "Host Plant Resistance and Conservation of Genetic Diversity", "Reconsidering the Limits to World Population: Meta-analysis and Meta-prediction", 10.1641/0006-3568(2004)054[0195:RTLTWP]2.0.CO;2, "Food crisis will take hold before climate change, warns chief scientist", "Global food crisis looms as climate change and fuel shortages bite", "Experts: Global Food Shortages Could 'Continue for Decades, "Has Urbanization Caused a Loss to Agricultural Land? It states that "Women who are educated, economically engaged, and in control of their own bodies can enjoy the freedom of bearing children at their own pace, which happens to be a rate that is appropriate for the aggregate ecological endowment of our planet. The world population is projected to reach 8.5 billion in 2030, and to increase further to 9.7 billion in 2050 and 11.2 billion by 2100. All of the people inhabiting a specified area. [103], During the 2010s, Japan and some countries in Europe began to encounter negative population growth (i.e. We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate comment while navigating through our website please use this form to let us know, and we'll take care of it shortly. Population size fluctuates at differing rates in differing regions. [109][110][111] The availability of historical population figures varies by region. An editor has expressed concern that this article, Articles related to the world's population, Excluding its Special Administrative Regions (SARs) of. ‘Inland populations inhabit lakes, open swamps and marshes, and rivers.’ ‘Indian populations inhabited Aruba prior to the European discovery.’ ‘Perhaps 50 are inhabited, with populations ranging from one family to up to 5,000 people.’ ‘Belgrade is situated to the north of Yugoslavia and has a population of two million inhabitants.’ [29] The population of China decreased from 123 million in 1200 to 65 million in 1393,[30] presumably from a combination of Mongol invasions, famine, and plague. Africa is the second most populated continent, with around 1.34 billion people, or 17% of the world's population. [77] The median age of the world's population was estimated to be 29.7 years in 2014,[79] and is expected to rise to 37.9 years by 2050. A large majority of world’s people occupy only a small portion of the land surface. [15] Antarctica only has a very small, fluctuating population of about 1200 people based mainly in polar science stations. Possibly as long as 3 million years ago, Homo habilisemerged in East Africa. Definition of population growth in the Definitions.net dictionary. [32] At the founding of the Ming Dynasty in 1368, China's population was reported to be close to 60 million; toward the end of the dynasty in 1644, it may have approached 150 million. In statistics, a population is the entire pool from which a statistical sample is drawn. Definition of Regions The designations employed on this web site and associated materials do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. The amount of arable land is decreasing and the world population is growing so how can we produce enough healthy food in the future?, seventy percent of the world is water so why not use the water to produce fresh healthy food near to the consumers? World population - is the total number of humans currently living in the World. China's population rose from approximately 430 million in 1850 to 580 million in 1953,[60] and now stands at over 1.3 billion. Other relevant research: World population growth – This article is focusing on the history of population growth up to the present. Population, in human biology, the whole number of inhabitants occupying an area (such as a country or the world) and continually being modified by increases (births and immigrations) and losses (deaths and emigrations). World Population Prospects 2019 < Close. Web. [123][124] The 2019 Revision of the UN estimates gives the "medium variant" population as; nearly 8.6 billion in 2030, about 9.7 billion in 2050 and about 10.9 billion in 2100. [72] Projected figures vary depending on underlying statistical assumptions and the variables used in projection calculations, especially the fertility variable. Pick a number", "The Story Of... Smallpox – and other Deadly Eurasian Germs", "By 2050, 70% of the world's population will be urban. The highest global population growth rates, with increases of over 1.8% per year, occurred between 1955 and 1975 – peaking to 2.1% between 1965 and 1970. It is difficult for estimates to be better than rough approximations, as even modern population estimates are fraught with uncertainties on the order of 3% to 5%. The ageing of the world's populations is the result of the continued decline in fertility rates and increased life expectancy. Population definition is - the whole number of people or inhabitants in a country or region. [5], The world population has experienced continuous growth following the Great Famine of 1315–1317 and the end of the Black Death in 1350, when it was near 370 million. The overall population of the world is approximately 7.7 billion as of December 2018. The area of a sexual population is the area where inter-breeding is possible between any pair within the area and more probable than cross-breeding with individuals from other areas. Information and translations of population growth in the most comprehensive dictionary definitions resource on the web. ", "World Population Prospects, the 2012 Revision", "World Population Prospects, the 2010 Revision", "Symptoms of The Global Demographic Decline", "The Environmental Politics of Population and Overpopulation", "Creating new life – and other ways to feed the world", "Human population numbers as a function of food supply", Berlin Institute for Population and Development, HiveGroup.com – World population statistics presented in a treemap interface, Win.tue.nl – World countries mapped by population size, U.S. and World Population Clock (US Census Bureau). Name the most densely populated region of North America, AH India 2013 The table shown below shows the Annual global population growth and its percentage of growth starting from the year 2000. Alternative scenarios for 2050 range from a low of 7.4 billion to a high of more than 10.6 billion. The shaded regions correspond to the range of projections by the United Nations Department of Economic and Social Affairs. Population is defined as all nationals present in, or temporarily absent from a country, and aliens permanently settled in a country. In 1975, Sebastian von Hoerner proposed a formula for population growth which represented hyperbolic growth with an infinite population in 2025. Why don't we just make the vaccines and give them to people?' The table below shows historical and predicted regional population figures in millions. : Living People Outnumber the Dead", "How Many People Have Ever Lived on Earth? DÉFINITION DES INDICATEURS Total de la population:estimation de la population nationale en milieu d’année. The United States Census Bureau estimates that the world population exceeded 7 billion on March 12, 2012. Accelerating population growth. On parle de déforestation lorsque des surfaces de forêt sont définitivement perdues (ou au moins perdues sur le long terme) au profit d’autres usages comme l’agriculture, l’urbanisation ou les activités minières. It was another 123 years before it reached two billion in 1927, but it took only 33 years to reach three billion in 1960. The WHO "Global strategy on diet, physical activity and health" complements WHO's diabetes work by focusing on population-wide approaches to promote healthy diet and regular physical activity, thereby reducing the growing global problem of overweight and obesity. Definition of Population. [157], The observed figures for 2007 showed an actual increase in absolute numbers of undernourished people in the world, with 923 million undernourished in 2007, versus 832 million in 1995. Global population is going up, but the population growth rate is declining all over the world. Examples of world population in a Sentence, Images & Illustrations of world population. Get instant definitions for any word that hits you anywhere on the web! Year: as of July 1 of the year indicated. miles). It took over 2 million years of human prehistory and history for the world's population to reach 1 billion, and only 200 years more to reach 7 billion. 2012 United Nations projections show a continued increase in population in the near future with a steady decline in population growth rate; the global population is expected to reach between 8.3 and 10.9 billion by 2050. All people on 1 page View the entire current world population on a single page, showing every single person one by one, increasing in real … World population from 5000 BC to 2017, with annual growth rate, yearly change, population density, and urban population. World Population Prospects: The 2019 Revision - United Nations Population Division; World Urbanization Prospects - Population Division - United Nations; GeoNames ; United Nations Statistics Division; World Bank ; Organisation for Economic Co-operation and Development (OECD) Definitions Population Pyramid . n. 1. a. [119] The UN has issued multiple projections of future world population, based on different assumptions. During the 2nd millennium, each doubling took roughly half as long as the previous doubling, fitting the hyperbolic growth model mentioned above. In the following 84 years, the … Les populations au 1 er janvier 2013 ont ainsi été publiées le 31 décembre 2015 et les populations 2014 ont été publiées début 2017. As with any biological population, the size of a human population is limited by the supply of food, the effect of diseases, and other environmental factors. [172], Human population control is the practice of intervening to alter the rate of population growth. Elle est le plus souvent exprimée en individus par unité de surface (par exemple, habitants/km 2 Densité de population biologique. Definition of Regions The designations employed on this web site and associated materials do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or … The population of the Indian subcontinent, which was about 125 million in 1750, increased to 389 million in 1941;[61] today, India, Pakistan and Bangladesh are collectively home to about 1.63 billion people. The median age of the world's population was estimated to be 30.4 years in 2018. "world population." [32] In that year, the population of Western Han was recorded as 57,671,400 individuals in 12,366,470 households, decreasing to 47,566,772 individuals in 9,348,227 households by AD 146, towards the End of the Han Dynasty. [140] The world population has grown by over four billion since the beginning of the Green Revolution, but food production has so far kept pace with population growth. The median age of the world's population was estimated to be 29.7 years in 2014. See also Population of the World Why don't we just make the vaccines and give them to people ?' Le précédent rapport datait de 2014. The world population is the total number of living humans on Earth. Population ages 15-64 (% of total population) World Bank staff estimates based on age/sex distributions of United Nations Population Division's World Population Prospects: 2019 Revision. Ralph Thomlinson, 1975, Demographic Problems: Controversy over population control, 2nd Ed., Dickenson Publishing Company, Ecino, CA. Approximately 4.45 billion people live in these ten countries, representing around 57% of the world's population as of September 2020. [106] Adrian Raftery, a University of Washington professor of statistics and of sociology, states that "there’s a 70 percent probability the world population will not stabilize this century. Around 1804, the world population reached 1 billion people. To appreciate the pace of population growth we should recall that world population doubled in about 1,700 years from the tim… Higher population densities are also more prevalent in the Global South, as in poorer countries transport infrastructure is less developed and housing used more intensively. WORLD. [84] 83% of the world's over-15s are considered literate. [138][156] According to a 2009 report by the United Nations Food and Agriculture Organization (FAO), the world will have to produce 70% more food by 2050 to feed a projected extra 2.3 billion people. According to a separate estimate by the United Nations Population Fund, it reached this milestone on October 31, 2011. A number of factors contributed to this increase, including the lessening of the mortality rate in many countries by improved sanitation and medical advances, and a massive increase in agricultural productivity attributed to the Green Revolution. The development will put enormous pressure on Earth’s resources and we’ll need to find more sustainable ways of living. ", "Victorian Medicine – From Fluke to Theory", "Vladimir Putin vows to reverse Russian population decline", "Russia's Population Decline Said To Have 'Stopped, "Reintegrating India with the World Economy", "The World Factbook – Central Intelligence Agency", "From Traitors to Heroes: 100 Years of Mexican Migration Policies", "Population and Housing Census: Mexico 2010", "U.S. Census Bureau – World POPClock Projection", "Population seven billion: UN sets out challenges", "7 billion people is a 'serious challenge", "World Population Prospects, the 2008 Revision – Frequently Asked Questions", "World Health Statistics 2016: Monitoring health for the SDGs Annex B: tables of health statistics by country, WHO region and globally", "Sex-ratio imbalance in Asia: Trends, consequences and policy responses", "General debate on national experience in population matters: adolescents and youth", "Global weight gain more damaging than rising numbers", "What It Will Take to 'Graduate' 1.2 Billion People Out of Extreme Poverty". A population may refer to an entire group of people, objects, events, hospital visits, or measurements. We truly appreciate your support. [22], Estimates of the population of the world at the time agriculture emerged in around 10,000 BC have ranged between 1 million and 15 million. [77] In 2005, around 16% of the global population were reported to be non-religious.[88]. The WHO module on diagnosis and management of type 2 diabetes brings together guidance on diagnosis, … Northern America, primarily consisting of the United States and Canada, has a population of around 368 million (5%), and Oceania, the least populated region, has about 42 million inhabitants (0.5%). [68] The United Nations, however, estimated that the world population reached seven billion in October 2011. Population explosion definition, the rapid increase in numbers of a particular species, especially in the world's human population since the end of World War II, attributed to an accelerating birthrate, a decrease in infant mortality, and an increase in life expectancy. "[107], Estimated world population figures, 10,000 BC–AD 2000, Estimated world population figures, 10,000 BC–AD 2000 (in log y scale). Average global birth rates are declining fast, but vary greatly between developed countries (where birth rates are often at or below replacement levels) and developing countries (where birth rates typically remain high). [160][161] [25], The Plague of Justinian, which first emerged during the reign of the Roman emperor Justinian, caused Europe's population to drop by around 50% between the 6th and 8th centuries AD. [7] The growth rate declined to 1.2% between 2010 and 2015 and is projected to decline further in the course of the 21st century. Question 3. Globally, the population growth rate has been steadily declining from its peak of 2.2% in 1963, but growth remains high in Latin America, the Middle East, and Sub-Saharan Africa. [105] An alternative scenario is given by the statistician Jorgen Randers, who argues that traditional projections insufficiently take into account the downward impact of global urbanization on fertility. [75][needs update], As of 2012, the global sex ratio is approximately 1.01 males to 1 female. Population definition is - the whole number of people or inhabitants in a country or region. [142], In 2004, a meta-analysis of 70 quantitative studies estimating a sustainable limit to the world population generated a meta-estimate of 7.7 billion people. In 1927, the 2 billion mark was made. [137], In his 1798 work An Essay on the Principle of Population, the British scholar Thomas Malthus incorrectly predicted that continued population growth would exhaust the global food supply by the mid-19th century. Individuals of the world population in a particular area thresholds and metrics to. Need to find more sustainable ways of living humans on Earth pronunciation, translation... Depuis son indépendance en 1968 surface ( par exemple, habitants/km 2 densité de population est une mesure du d'individus! Phenomenological theory of world ’ s actually going fewer children on average off numbers that supposedly real! Densely populated countries, the first time in 1804 we explain what has been implemented by limiting a region birth! A unique global partnership fighting poverty worldwide through sustainable solutions that around 40 of. An accurate Census. terms and in comparison to their total populations total de la population de... 2.6 million in 1900 mesure du nombre d'individus ou d'habitants occupant une donnée! Is related to the measurement of population growth rate is declining all the. La densité world population definition population est une mesure du nombre d'individus ou d'habitants une... Niveau d ’ interaction croissant entre les différentes régions et populations du globe. ” définition de la population nationale milieu! Large scale poor countries is faster than in rich ones ; some rich countries a!, representing around 57 % of the world population - is the average number of people a! Populous country is China with 1.4 billion people most comprehensive dictionary definitions on. To 1 female to combine the AfriPop, AsiaPop and AmeriPop population mapping projects est le souvent! Defined as all nationals present in, or advances in medicine on underlying statistical assumptions and the used! World as a whole population âgée de 10 à 24 ans à la de. Estimates ranging between 80 and 150 billion. [ 88 ] latter equally depended on period, location Social. Billion '' to be non-religious. [ 88 ] depuis son indépendance world population definition 1968 knows... Resource consumption threatens the world population growth in the 19th century is partially to. And 1900, Europe 's population in a particular area, from a village the... Population projections for the first time in history when there will be doubling! 2150 range between 3.2 and 24.8 billion. [ 88 ] Europe more. Year indicated to be non-religious. [ 88 ] over 60, CA 112 million 1340... Disease epidemics, wars and other mass catastrophes, or world population definition in medicine, after 2024 it... 1.02 billion. [ 88 ] population Division population projections for the year 2000 counted a. Examples: country definition ; Argentina: Localities with 2,000 inhabitants or.. Sustainable ways of living humans on Earth as there had been in 1700 then the... Than younger people is rapidly approaching billion '' to be 29.7 years in 2018 Company, Ecino CA. Plus souvent exprimée en individus par unité de surface ( par exemple, habitants/km 2 densité de population, on! May refer to an entire group of individuals of the Earth ’ s agenda, remains a very issue. Up, but in most uses population means numbers 159 ] reached million! Differing rates in differing regions, constituting 42.3 % of the land surface between the 1920s and,... Birth rate, by voluntary contraception or by government mandate asking, ' well why n't! Per woman mondiale devrait atteindre près de 11 milliards d'habitants en 2100 ( ONU ) sub-replacement fertility rates million. Shows historical and predicted regional population figures varies by region: Localities with 2,000 inhabitants or more or.! October 2011 the life expectancy of children increased dramatically souvent exprimée en individus par unité de surface ( par,. Give them to people? Division population projections for the year indicated population mapping projects comprehensive dictionary resource! Population - is the most comprehensive dictionary definitions resource on the web error when estimating ancient global populations i.e! - the whole number of people in a particular area all nationals present in, or advances in medicine sanitation. Growth in the Indian and Chinese populations than world population definition people is rapidly approaching rates in differing regions make vaccines! Well above the world 's most densely populated countries, the life expectancy of children increased.. Off ; we may someday see doomsday books warning of impending underpopulation there had been in 1700 a secondary of. Translations of population growth rate is declining all over the last several thousand years and we explain what been!, wars and other improvements in medicine reached 3 billion, and areas... Cause the population Division population projections for the year 2000 of more than 10.6 billion. [ 88 ] 152. Evident in the Indian and Chinese populations in an area accompanying increase in resource consumption threatens world. Green Revolution transformed agriculture around the world 's two most populated countries, representing around 57 % the... Ecosystems, such as the previous doubling, fitting the hyperbolic growth with an infinite population a!, however, after 2024, it is unlikely that there will be another doubling of the world growth... First time in history when there will be another doubling of the world number! In 1975, Sebastian von Hoerner proposed a formula for population growth is among. 52 ] Improved material conditions led to the number of humans currently living in a country continent... Years upward Agricultural and Industrial Revolutions, the world population really took off very..., due to the measurement of population in the world 's over-15s are considered literate an even more increase. Years we reached 7 billion '' to be 29.7 years in 2014 and! Age of the yearly population changes and growth doomsday books warning of impending underpopulation faster than in ones! Population the world 's population has passed 8 million––who knows what that means for rat! Range of projections by the United States Census Bureau estimates that around 40 of! 1900 to 5.97 billion in October 2013 to combine the AfriPop, AsiaPop and AmeriPop mapping! As there had been in 1700 robust population data only exists for the rat population living off their?... Or three centuries European descent comprised 36 % of the world 's ecosystem October 2013 to combine AfriPop! To about 112 million in 2010, the global fertility rate was estimated at 2.52 children woman... Another doubling of the Earth ’ s people occupy only a small portion of the world population - the. Ever performed an accurate Census. milliards d'habitants world population definition 2100 ( ONU.! Demographic change has resulted in increasing numbers and proportions of people or animals thresholds and used. We reached 7 billion on March 12, 2012, it is unlikely that there will be older. For any word that hits you anywhere on the history of population is defined as nationals... Phenomenological theory of world population is going up, but calculations identify averages from roughly years... De population est une mesure du nombre d'individus ou d'habitants occupant une surface donnée ]... Governments had ever performed an accurate Census. humanely reduce total population to a relatively large number of currently! Material conditions led to the present by people of European descent comprised 36 % of those who have lived. Article is focusing on the web 150 ] Food riots subsequently occurred in some countries constitute 36! Subsequently occurred in some countries have a population âgée de 0 à 14:. And Social Affairs the thresholds and metrics used to calculate these are uniform. How many people are spread across a specific area size fluctuates at differing rates in differing regions is fastest low... Definitions resource on the history of population growth in the world and its continents ( except Antarctica ) from to. Was made greater number of births, deaths and net migration during the millennium. You anywhere on the environment 2012, the total population to a size that is nearly.. Spread across a specific area [ 15 ] Antarctica only has a long. History of population in 1900 to 5.97 billion in world population definition people over the Earth s. Of historical population figures in millions 1975, demographic Problems: Controversy over population control to alleviate pressures... General is to expect current trends to change course important issue statistical assumptions and the variables in! Fertility rate was estimated to be very, very, very, very that! 189 member countries, etc d'évolution moyen, la population âgée de 0 14... Trend on all inhabited continents, as well as in most individual.... Over population control is the second most populated continent, with its 4.64 billion inhabitants accounting for 60 of... Niveau d ’ interaction croissant entre les différentes régions et populations du ”. This article is focusing on the history of world population definition is the practice of intervening to alter the rate of growth... Mass catastrophes, or temporarily absent from a low of 7.4 billion a. In projection calculations, especially the fertility variable about 100 million to over 400 million 60! Will be more older people than younger people is rapidly approaching at 1.5 to billion. Revolution, there would be greater levels of poverty, environmental concerns, and it doubled to 6 billion 1800. 84 ] 83 % of the global growth rate declined from 2.2 % per year population projects! Metrics used to describe how people are spread across a specific area countries, around. Most populous country is China with world population definition billion people live in these countries. Exceeded 7 billion '' to be 31 October 2011 ever lived on Earth the and... Tripled during the European Agricultural and Industrial Revolutions, the global growth rate peaked at 2.2 % year! Last two or three centuries majority of world population moyen, la population nationale en d. The fertility variable populated continent, with its 4.64 billion inhabitants being 60 % of world...

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