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Globally, the rate of population growth has declined from a peak of 2.2% per year in 1963. [8] Population growth alongside increased consumption is a driver of environmental concerns, such as biodiversity loss and climate change, [9] [10] due to overexploitation of natural resources for human development. [11]
[71] [62] [228] [229] [23] Predicted exponential population growth or any "population explosion" did not materialise; instead, population growth slowed. [110] [37] Critics suggest that enough resources are available to support projected population growth, and that human impacts on the environment are not attributable to overpopulation. [166 ...
Population growth is typically very slow in this stage because the society is constrained by the available food supply; therefore, unless the society develops new technologies to increase food production (e.g. discovers new sources of food or achieves higher crop yields), any fluctuations in birth rates are soon matched by death rates.
The diversification and urbanization of the U.S. population could have a substantial impact on American politics, many experts say. At first glance, the shift in demographics appears to offer an ...
The Demography of the World Population from 1950 to 2100. Data source: United Nations — World Population Prospects 2017. Demography (from Ancient Greek δῆμος (dêmos) 'people, society' and -γραφία (-graphía) 'writing, drawing, description') [1] is the statistical study of human populations: their size, composition (e.g., ethnic group, age), and how they change through the ...
Overpopulation or overabundance is a state in which the population of a species is larger than the carrying capacity of its environment.This may be caused by increased birth rates, lowered mortality rates, reduced predation or large scale migration, leading to an overabundant species and other animals in the ecosystem competing for food, space, and resources.
Population growth is slowing -- over the last decade, the population growth rate was the slowest since the Great Depression, according to the latest U.S. Census data. And while this will have...
The practice, traditionally referred to as population control, had historically been implemented mainly with the goal of increasing population growth, though from the 1950s to the 1980s, concerns about overpopulation and its effects on poverty, the environment and political stability led to efforts to reduce population growth rates in many ...