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  • World population

    World population

    • This piglix contains articles or sub-piglix about World population

    • World population

    • World population

      In demographics, the world population is the total number of humans currently living. As of August 2016[update], it was estimated at 7.4 billion. The United Nations estimates it will further increase to 11.2 billion in the year 2100. World population has experienced continuous growth since the end of the Great Famine ... Read »


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    • demography

    • Demography (from prefix demo- from Ancient Greek δῆμος dēmos meaning "the people", and -graphy from γράφω graphō, implies "writing, description or measurement") is the statistical study of populations, especially human beings. As a very general science, it can analyse any kind of d ... demography


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    • Earth

    • Earth Astronomical symbol of Earth

      Earth, otherwise known as the world, (Greek: Γαῖα Gaia; Latin: Terra) is the third planet from the Sun and the only object in the Universe known to harbor life. It is the densest planet in the Solar System and the largest of the four terrestrial planets. According to radiometric dating and other sourc ... Read »


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    • Environmental issues with population


    • Human overpopulation

    • This piglix contains articles or sub-piglix about Human overpopulation


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    • World population

    • World population

      In demographics, the world population is the total number of humans currently living. As of August 2016[update], it was estimated at 7.4 billion. The United Nations estimates it will further increase to 11.2 billion in the year 2100. World population has experienced continuous growth since the end of the Great Famine ... Read »


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    • World Population Conference

    • The World Population Conference was held at the Salle Centrale, Geneva, Switzerland, from August 29 to September 3, 1927. Organized by the League of Nations and Margaret Sanger, the conference was an attempt to bring together international experts on population, food supply, fertility, migration and health to discuss t ... Read »


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    • World Population Day

    • World Population day is an annual event, observed on July 11 every year, which seeks to raise awareness of global population issues. The event was established by the Governing Council of the United Nations Development Programme in 1989. It was inspired by the public interest in Five Billion Day on July 11, 1987-approxi ... Read »


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    • World population estimates

    • This article lists estimates of world population over the course of history and prehistory, as well as projections of future developments. In summary, estimates for the progression of world population since the late medieval period are in the following ranges: Estimates for pre-modern times are necessarily fraught wit ... Read »


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    • World Population Foundation

    • The World Population Foundation (WPF) was founded in 1987 in the Netherlands by Diana and Roy W. Brown. Their purpose was to create an organisation to draw attention to the effects of high birth rates and rapid population growth on maternal and infant mortality, communities and the environment, and to raise funds for p ... Read »


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    • Human overpopulation

    • Human overpopulation occurs when the ecological footprint of a human population in a specific geographical location exceeds the carrying capacity of the place occupied by that group. Overpopulation can further be viewed, in a long term perspective, as existing when a population cannot be maintained given the rapid depl ... Read »


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    • List of countries by urban population

    • This is a list of countries by urban population. Urban population by country 2015 World Bank Data Urban population (most recent) by country ... Read »


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    • Population milestone babies

    • An arbitrarily selected baby born in a region on the date on which an official demographic authority has predicted the population of the region will pass a milestone figure of N may be symbolically recognised as the region's Nth person. At a world population level, the United Nations Population Fund designated five and ... Read »


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    • One-child policy

    • One-child policy

      The one child policy, a part of the family planning policy, was a population planning policy of China. It was introduced in 1979 and began to be formally phased out in 2015. The policy allowed many exceptions and ethnic minorities were exempt. For example in 2007, 36% of China's population was subject to a strict one-c ... Read »


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    • Overconsumption

    • Overconsumption is a situation where resource use has outpaced the sustainable capacity of the ecosystem. A prolonged pattern of overconsumption leads to environmental degradation and the eventual loss of resource bases. Generally the discussion of overconsumption parallels that of overpopulation; that is the more peop ... Read »


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    • Population biology

    • Population biology is the study of populations of organisms, especially the growth and regulation of population size, population genetics, demography and life history evolution, and interactions among species. A population is a group of individuals of the same species that have a high probability of interacting with ea ... Read »


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    • Population density

    • Population density (in agriculture: and standing crop) is a measurement of population per unit area or unit volume; it is a quantity of type number density. It is frequently applied to living organisms, and most of the time to humans. It is a key geographical term. Population density is population divided by tota ... Read »


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    • Population dynamics

    • Population dynamics is the branch of life sciences that studies the size and age composition of populations as dynamical systems, and the biological and environmental processes driving them (such as birth and death rates, and by immigration and emigration). Example scenarios are ageing populations, population growth, o ... Read »


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    • Population growth

    • In biology, population growth is the increase in the number of individuals in a population. Global human population growth amounts to around 75 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 7 billion in 2012. It is expected to keep growing, and estimates have put the tot ... Read »


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    • Population momentum

    • Population momentum is the proportion between the size of a stable (unchanging) population to the total size of the initial population that experiences a drastic shift in fertility to replacement rate (2.1 children per woman). Demographers refer to population momentum as the size of the resulting stationary-equivalent ... Read »


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    • Projections of population growth

    • Projections of population growth established in 2015 predict that the human population will keep growing until at least 2050, reaching an estimated 8 billion people in 2024 and 9 billion by 2040, while the 7 billion milestone was reached in 2011. As the demographic transition follows its course worldwide, the populatio ... Read »


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    • Reproductive rights

    • Reproductive rights are legal rights and freedoms relating to reproduction and reproductive health that vary amongst countries around the world. The World Health Organization defines reproductive rights as follows: Reproductive rights rest on the recognition of the basic right of all couples and individuals to decide ... Read »


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    • Two-child policy

    • A two-child policy is a government-imposed limit of two children allowed per family or the payment of government subsidies only to the first two children. It has previously been used in Vietnam. In British Hong Kong in the 1970s, citizens were also highly encouraged to have two children as a limit (although it was not ... Read »


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    • World energy resources

    • World energy resources are the estimated maximum capacity for energy production given all available resources on Earth. They can be divided by type into fossil fuel, nuclear fuel and renewable resources. Remaining reserves of fossil fuel are estimated as: These are the proven energy reserves; real reserves may be ... Read »


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    • National Commission for the Observance of World Population Year 1974

    • National Commission for the Observance of World Population Year 1974 The United Nations observed 1974 as “World Population Year”. President Richard Nixon established the National Commission to aid U.S. participation in this United Nations observance. Neither the Commission nor any of its members participated ... Read »


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    • Zero population growth

    • Population Connection

      Population Connection (formerly Zero Population Growth or ZPG) is a non-profit organization in the United States that raises awareness of population challenges and advocates for improved global access to family planning and reproductive health care. The organization was founded in 1968 by Paul R. Ehrlich, Richard Bower ... Read »


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