Population in the world is currently (2020) growing at a rate of around 1.05% per year (down from 1.08% in 2019, 1.10% in 2018, and 1.12% in 2017). This feedback can be described as follows: technological advance → increase in the carrying capacity of land for people → demographic growth → more people → more potential inventors → acceleration of technological advance → accelerating growth of the carrying capacity → faster population growth → accelerating growth of the number of potential inventors → faster technological advance → hence, the faster growth of the Earth's carrying capacity for people, and so on. [74] In June 2012, British researchers calculated the total weight of Earth's human population as approximately 287 million tonnes, with the average person weighing around 62 kilograms (137 lb). The United Nations and the US Census Bureau both give different estimates – according to the UN, the world population reached seven billion in late 2011,[109] while the USCB asserted that this occurred in March 2012. [99][100][101], In 2000, the United Nations estimated that the world's population was growing at an annual rate of 1.1% (equivalent to around 75 million people),[102] down from a peak of 88 million per year in 1989. Between 1950 and 1984, as the Green Revolution transformed agriculture around the world, grain production increased by over 250%. In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7,800,000,000 people as of March 2020[update]. Haub (1995) estimates that around 40% of those who have ever lived did not survive beyond their first birthday. In 1968, Paul R. Ehrlich reprised Malthus' argument in The Population Bomb, predicting that mass global famine would occur in the 1970s and 1980s. Mobile subscriptions are still growing faster than the world’s population. [126] In a modelled future projection by the Institute for Health Metrics and Evaluation the global population was projected to peak in 2064 at 9.73 billion people and decline to 8.79 billion in 2100. There is no less than 500,000 White people in Puerto Rico. While no one knows for sure how the world population will grow in the years to come, it’s expanding at a fast rate. Jean-Noël Biraben (1980), "An Essay Concerning Mankind's Evolution". [9], Total annual births were highest in the late 1980s at about 139 million,[10] and as of 2011 were expected to remain essentially constant at a level of 135 million,[11] while deaths numbered 56 million per year and were expected to increase to 80 million per year by 2040. The first humans had to deal with … Is that a good thing? Cite Warren, Stephen G. "Did agriculture cause the population explosion?." Nonetheless, population growth is the long-standing trend on all inhabited continents, as well as in most individual states. © Copyright Worldometers.info - All rights reserved -, World Population Prospects: The 2019 Revision, The World at Six Billion, World Population, Year 0 to near stabilization, World Population Prospect: the 2019 Revision, Population Estimates and Projections Methodology. How many people speak English? From 2000 to 2005, the UN consistently revised these projections downward, until the 2006 revision, issued on 14 March 2007, revised the 2050 mid-range estimate upwards by 273 million. By 2000, there were approximately ten times as many people on Earth as there had been in 1700. Sergei P Kapitza, 'The phenomenological theory of world population growth', Learn how and when to remove this template message, List of countries and dependencies by population, List of countries and dependencies by population density, Institute for Health Metrics and Evaluation, sustainable limit to the world population, Global Assessment Report on Biodiversity and Ecosystem Services, List of sovereign states and dependencies by total fertility rate, List of countries by past and projected future population, List of countries by population growth rate, "World Development Indicators – Google Public Data Explorer", "World Population to Hit Milestone With Birth of 7 Billionth Person", "World Population Prospects, 2012 revision (697 million births from 1985–1990)", "World Population estimates by the US Census Bureau", "CIA, The World Factbook: Field Listing: Median Age", "World Population Prospects: The 2015 Revision", "Regions in the world by population (2020)", "Population estimates of the Roman Empire", "Plague, Plague Information, Black Death Facts, News, Photos", "History of Europe – Demographic and agricultural growth", "Historical Estimates of World Population", "Qing China's Internal Crisis: Land Shortage, Famine, Rural Poverty", "Super-Sized Cassava Plants May Help Fight Hunger in Africa", "U.S. News & World Report: How many people were here before Columbus? Robust population data only exist for the last two or three centuries. [12] [186] Thus, there is a significant margin of error when estimating ancient global populations. In adults aged 55 and over, the number of females outweighs the number of males. 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. This includes people whose usual residence is in the 50 states and the District of Columbia. It states that the people alive today outnumber those who have ever lived and died throughout human history. How will we travel the world in 2050 earth to reach 9 7 billion in 2050 earth 2050 a glimpse into the future africa in 2050 and 2100 how many people will inhabit the world How Many People Will Inhabit The World In 2030 2050 And 2100Hot Crowded And Running Out Of Fuel Earth 2050… Read More » In 1970, there were roughly half as many people in the world as there are now. [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. During the 20th century, the global population saw its greatest increase in known history, rising from about 1.6 billion in 1900 to over 6 billion in 2000. Observations Concerning the Increase of Mankind, Peopling of Countries, etc. [59], Many countries in the developing world have experienced extremely rapid population growth since the early 20th century, due to economic development and improvements in public health. [182] Haub (1995) prepared another figure, updated in 2002 and 2011; the 2011 figure was approximately 107 billion. One characteristic feature of exponential growth is the time a population takes to double in size. [153][154], David Pimentel, professor of ecology and agriculture at Cornell University, estimates that the sustainable agricultural carrying capacity for the United States is about 200 million people; its population as of 2015 is over 300 million. In an environment with unlimited natural resources, population size grows exponentially. An editor has expressed concern that this article, Articles related to the world's population, Excluding its Special Administrative Regions (SARs) of. [82] Around 1.29 billion people (18.4% of the world population) live in extreme poverty, subsisting on less than US$1.25 per day;[83] approximately 870 million people (12.3%) are undernourished. However, after 2024, it is unlikely that there will be another doubling of the global population in the 21st century. The InterAcademy Panel Statement on Population Growth, which was ratified by 58 member national academies in 1994, states that "unprecedented" population growth aggravates many environmental problems, including rising levels of atmospheric carbon dioxide, global warming, and pollution. [33] England's population reached an estimated 5.6 million in 1650, up from an estimated 2.6 million in 1500. A tremendous change occurred with the industrial revolution: whereas it had taken all of human history until around 1800 for world population to reach one billion, the second billion was achieved in only 130 years (1930), the third billion in 30 years (1960), the fourth billion in 15 years (1974), and the fifth billion in only 13 years (1987). when the ancestors of Homo sapiens appeared, or several million years ago when hominids were present), taking into account that all population data are a rough estimate, and assuming a constant growth rate applied to each period up to modern times, it has been estimated that a total of approximately 106 billion people have been born since the dawn of the human species, making the population currently alive roughly 6% of all people who have ever lived on planet Earth. watch as we increase. There is no less than 1,000,000 White people in Central America. [67] Thereafter, the global population reached four billion in 1974, five billion in 1987, six billion in 1999 and, according to the United States Census Bureau, seven billion in March 2012. There’s a common myth about this. [41] Encounters between European explorers and populations in the rest of the world often introduced local epidemics of extraordinary virulence. If this trend continues, the rate of growth may diminish to zero by 2050, concurrent with a world population plateau of 9.2 billion. The current world population is 7.8 billion as of January 2021 [1] according to the most recent United Nations estimates elaborated by Worldometer. [174], The University of Nebraska publication Green Illusions argues that population control to alleviate environmental pressures need not be coercive. It has been undertaken as a response to factors including high or increasing levels of poverty, environmental concerns, and religious reasons. The question, “how many people can Earth support?” has been asked and answered many times. The latest world population projections indicate that world population will reach 10 billion persons in the year 2057. "[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. The data for 1750 to 1900 are from the UN report "The World at Six Billion"[115] whereas the data from 1950 to 2015 are from a UN data sheet.[14]. Antoni van Leeuwenhoek computed 13.4 billion in 1679. [165] In November 2017, a statement by 15,364 scientists from 184 countries asserted that rapid human population growth is the "primary driver behind many ecological and even societal threats. Most scholars believe that, without the Revolution, there would be greater levels of famine and malnutrition than the UN presently documents. The world population is 7.7 billion. "The population of the world, which Sir W. P. in 1682, stated at only 320 millions, has been estimated by some writers at about 730 millions, by others, at upwards of 900 millions; Mr. Wallace, of Edinburgh, conjectured it might amount to 1 billion, and this number has since generally been adopted who have noticed the subject;". Death rates can change rapidly due to disease epidemics, wars and other mass catastrophes, or advances in medicine. [2][3] It took over 2 million years of human prehistory and history for the world's population to reach 1 billion,[4] and only 200 years more to reach 7 billion. Results are only shown for names with at least two bearers. Early estimates for the population of the world[19] date to the 17th century: William Petty in 1682 estimated world population at 320 million (modern estimates ranging close to twice this number); by the late 18th century, estimates ranged close to one billion (consistent with modern estimates). [125] In December 2019, the German Foundation for World Population projected that the global population will reach 8 billion by 2023 as it increases by 156 every minute. The highest global population growth rates, with increases of over 1.8% per year, occurred between 1955 and 1975 – peaking at 2.1% between 1965 and 1970. How Many People Live In The World? 7,835,621,345. 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%). ", "Feed the world? The period encompasses the first 10,000 years of human's foray into the world. [127] Some analysts have questioned the sustainability of further world population growth, highlighting the growing pressures on the environment,[128] global food supplies, and energy resources.[129][130][131]. So, let us consider that the "normal" growth was such as to produce only the earth's population as many people have been born into the world as it was at the time of Christ, about 200 million people. This increase appears to be extraordinary. [72] Projected figures vary depending on underlying statistical assumptions and the variables used in projection calculations, especially the fertility variable. You can search on a first name or a last name, but not on a combination of first name and last name. [31], Starting in AD 2, the Han Dynasty of ancient China kept consistent family registers in order to properly assess the poll taxes and labor service duties of each household. Historically, human population control has been implemented by limiting a region's birth rate, by voluntary contraception or by government mandate. [163][164][165][166] By 2050 population growth, along with profligate consumption, could result in oceans containing more plastic than fish by weight. Top 20 Largest Countries by Population (live). At the dawn of agriculture, about 8000 B.C., the population of the world was approximately 5 million. According to the Russian demographer Sergey Kapitsa,[136] the world population grew between 67,000 BC and 1965 according to the following formula: According to linear interpolation and extrapolation of UNDESA population estimates, the world population has doubled, or will double, in the years listed in the tables below (with two different starting points). [149][150] Food riots subsequently occurred in some countries. [170][171], A July 2017 study published in Environmental Research Letters argued that the most significant way individuals could mitigate their own carbon footprint is to have fewer children, followed by living without a vehicle, foregoing air travel, and adopting a plant-based diet. This is the oldest date for which anyone has even a reasonable guess as to the population. The United Nations Population Division (UNPD), which keeps track of the world population, projects that the world's human population will hit 7 billion on Halloween Day 2011. Reuse our work freely. [151][152] However, oil prices then fell sharply. [64][65] Between the 1920s and 2000s, Kenya's population grew from 2.9 million to 37 million. The world population counter displayed on Worldometer takes into consideration data from two major sources: the United Nations and the U.S. Census Bureau. China's population rose from approximately 430 million in 1850 to 580 million in 1953,[60] and now stands at over 1.3 billion. 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Slowly, sneaking up before ballooning in just a few doublings that around %. 3,710,295,643 women 3,776,294,273, as of 2012, the global fertility rate was estimated to be.... On Earth as there are now, it is unlikely that there will be another doubling of world... To alleviate environmental pressures need not be coercive by the United Nations and the variables in... Grain production increased by over 250 % 's two most populated continent, its... World has grown from 1.65 billion to a size that is sustainable. Across... 41 ] Encounters between European explorers and populations in the world 's population grew from 2.9 million over! Most spoken languages in the rest of the individuals currently living ) of the world ’ s population the., view population projections for the first time in 1804 subscriptions are still growing faster than world! ) to 1999 ( 6 billion which had sort of fallen off the world,. Reached one billion for the year 2150 range between 3.2 and 24.8 billion regional figures... Phenomenological theory of world population, based on a first name how many people on earth last.! Population on 31 December 2019 results are only shown for names with at least two bearers places the global. Population Division population projections for all years ( up to 2100 using the above figures, number. Names with at least two bearers ethical difficulty in rounding off numbers that represent... Science stations Encounters between European explorers and populations in the registered population 31! The West became more rapid after the introduction of vaccination and other improvements in medicine of...

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