World population (7069 bytes)
2: |[[Image:World population history.png|thumb|World population 1950-2000]]
4: |[[Image:World population increase history.png|thumb|Increase rate 1950-200...
6: ...[[dying]]. However, it is clear that the world's population continues to grow, and at rates that are unpreced...
8: ...es, there are now one billion young people in the world between the [[Senescence|ages]] of 15 and 24.
12: The [[United Nations]] Population Fund designated

Population (3181 bytes)
1: ...d ''population'' in statistics, see [[statistical population]].''
3: In the most common sense of the word, a '''population''' is the collection of people—or [[organis...
5: ..., and in [[population genetics]]. In biology, a ''population'' denotes a breeding group whose members breed mo...
7: ...o applies to human population, and that unchecked population growth can result in a "[[Malthusian catastrophe]...
9: '''Population''' may also mean the ''process'' of populating a ...

Optimum population (3689 bytes)
1: ...]], so there are enough resources to maintain its population.
3: ... then it has too little resources to maintain its population.
5: ...ee a continuing population. To adjust the optimum population in a country, it will have to aim for above or be...
7: ...e fertility rate, before they can achieve optimum population.
9: ==Achieving Optimum Population==

Population ageing (2168 bytes)
1: ...er. This is occurring in many nations around the world today and has a number of important consequences.
3: Population ageing occurs when the [[fertility rate]] decline...
5: ...these countries within twenty years the largest [[population cohort]] will be those over 65 and average age wi...
7: ... population. These four countries will still see population ageing, but to a lesser degree, due to the Post-[...
9: The effects of an ageing population are considerable. Economically older people are ...

Population decline (2355 bytes)
1: ... '''population decline''' is a fall in a region's population. It can be caused by [[sub-replacement fertility...
3: ...and|Irish]] [[Potato Famine]], all caused massive population declines.
5: ...ue much of the developed world will see declining populations in the next century.
7: ...ot nearly as disastrous as the potential of [[overpopulation]].
9: ...st case scenario is [[underpopulation]] where the population falls to too low a level to support the current e...

Population genetics (5165 bytes)
1: ... also takes account of population subdivision and population structure in space. As such, it is the theory tha...
2: ...iscipline of [[quantitative genetics]]. Notable population geneticists of the mid-to-late [[20th century]] i...
6: ...ynthesis]] has been the framework of mathematical population genetics. Indeed some authors (Beatty 1986) woul...
8: ...e, and another set of laws that map the resulting population (''P''₂) back to genotype space (''G''...
17: ...ionary theory that exist in parallel, traditional population genetics operating in the genotype space and the ...

Population control (1645 bytes)
1: ...ed threat of [[Malthusian catastrophe]], or [[overpopulation]] in general.
10: An important example of mandated population control is [[China]]'s ''[[one-child policy]]'', ...
12: A prominent modern advocate for mandatory population control is [[Garrett Hardin]], who proposed in hi...
16: [[Category:Population]]

Zero population growth (326 bytes)
1: ...n formerly known as Zero Population Growth, see [[Population Connection]].''
3: ...pulation]] [[ecology]]; the basic concept of zero population growth is illustrated by the equation: [[birth ra...

Population dynamics (1281 bytes)
1: ...ge composition of individuals in one or several [[population]]s, and [[biology|biological]] and [[environment]...
3: Population dynamics is the dominant branch of [[mathematical...
6: ...to [[computer simulation|simulate]] some of these population dynamics.
7: ...o study topics such as [[aging population]]s or [[population decline]].
9: ...ystem dynamics]], [[Volterra-Lotka equations]], [[population genetics]]

Population of England (2316 bytes)
1: ...itative contemporary sources, estimates of the '''population of [[England]]''' for dates prior to the first ce...
3: ==Population==
26: [[Second World War]]
36: *[[Demographics of the United Kingdom|Population of the United Kingdom]]
37: **[[List of United Kingdom nations by population|Population of the nations of the United Kingdom]]

Founder population (892 bytes)
1: ... due to the [[genetic drift]] implied by such a [[population bottleneck]].
3: ...asily found. Classic series of studies on founder population effects were done following the catastrophic erup...

Population density (5513 bytes)
3: ...t is most frequently applied to living organisms. Population density is usually expressed in terms of items or...
5: == Definitions of population density ==
7: ...ms concerned are modelled as discrete points, the population density will jump up and down as the edge of the ...
9: To resolve some of these problems, population density may be regarded, like coastline distance,...
11: == Biological population densities ==

Population pyramid (3950 bytes)
1: ...by raw number or as a [[percent]]age of the total population.
3: ...of its development. There are two basic shapes of population pyramid.
5: ==Triangular population distribution==
7: ...ution is called after the triangular shape of its population pyramid.]]
9: ... each age band. Therefore the pyramid indicates a population in which there is a high [[birth rate]], a high [...

Idealised population (285 bytes)
1: ...n genetics]] an '''idealised population''' is a [[population]] whose members can [[Sexual intercourse|mate]] a...
4: [[Category:Population genetics]]

Population bottleneck (3395 bytes)
1: ... or otherwise prevented from reproducing, and the population is reduced by 50% or more, often by several [[ord...
3: ...he rate of drift is inversely proportional to the population size. It also changes the relationship of [[natu...
7: ...oba catastrophe theory]], positing that the human population was reduced to a few thousand individuals when th...
9: ==Examples in the animal world==
12: |'''Year'''||'''Estimated bison<br>population size'''

Population paradox (618 bytes)
1: ...states]] of the [[United States of America]] have populations increasing at different rates and the state with...

Population growth (360 bytes)
1: ... The term is often used informally in place of "[[Population growth rate]]".
3: ... '''negative population growth''' and '''negative population growth rate''' are used.
5: See also [[Overpopulation]]

Population encoding (1038 bytes)
1: '''Population encoding''' is a means by which information about...

Population Connection (1820 bytes)
1: ...n in the United States, formerly known as '''Zero Population Growth''' They adopted their current name in [[20...
2: ... impact from Ehrlich's best-selling book, ''[[The Population Bomb]]''.
4: ...ving more children, will emphasize the need for [[population control]]."
6: ...ept perhaps prompting ZPG to change their name to Population Connection after 34 years on [[May 1]], [[2002]].
7: ...ation Connection works on issues concerning [[overpopulation]] and [[reproductive rights]], and publishes a qu...

Population of Brazil (751 bytes)
1: '''Population of Brazil'''
3: ...s year, every 10 years (with some exceptions) the population is counted.

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