population pyramid


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Population pyramidclick for a larger image
Fig. 25 Population pyramid. The above example represents the age structure of Scotland in 1976.

population pyramid

a two-dimensional graph used to display the age and gender structure of a population. See Fig. 25.
References in periodicals archive ?
The two executives also pointed to the so-called population pyramid, which ensures the annual addition of about two million into the Philippine workforce for many more years.
Our population pyramid doesn't look like a pyramid anymore.
On the other hand, Wallace wants to rush to reconfigure our population pyramid to attain the golden age-when the bottom (representing the number of babies) decreases, and the top (representing old people) expands, while the middle (representing the economically productive population) gets bloated.
Declining birth rates and later marriages in western economies have eroded the base of the population pyramid. However, half of the consumers in the 2-11 age group have shifted away from traditional breakfast cereals.
While adolescents comprise about 25% of the global population, they constitute up to 40% of the population in sub-Saharan Africa, creating what is also referred to as the 'youth bulge' in the population pyramid. This demographic shift in sub-Saharan Africa is also associated with poorer health outcomes in adolescents as a result of a convergence of communicable and non-communicable diseases.
The whole population pyramid will also change over the next few years and elderly people (65 and above) will make up around 10 per cent of the population.
We are also a country with a very young population pyramid with needs in education, high levels of chronic infantile malnutrition (49%), etc.
As life expectancy increases and birth rates decline, the population pyramid is being inverted--and in some countries that is causing the entire economy to topple.
Considering Malthus theory control over population growth has been a priority by various government regimes to keep a balance between country's food resources and population pyramid.
And this top heavy population pyramid may only become more warped.
(45) For Somalia's population pyramid in 1990, see United Nations, Department of Economic and Social Affairs, Population Division, Population Pyramids of the World from 1950-2100, http://populationpyramid.net/Somalia/1990/
Demographic ageing is a process that gradually changes the "population pyramid".
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