A population pyramid, also called an "age gender pyramid", is a graphical illustration that shows the distribution of various age groups in a population (typically that of a country or region of the world), which forms the shape of a pyramid when the population is growing. males are conventionally shown on the left and females on the right, and they may be measured by raw number or as a. Population pyramid definition, a graph showing the distribution of a population by sex, age, etc. see more. Define population pyramid. population pyramid synonyms, population pyramid pronunciation, population pyramid translation, english dictionary definition of population pyramid. n a pyramid shaped diagram illustrating the age distribution of a population: the youngest are represented by a rectangle at the base, the oldest by one at. A population pyramid, also called an age structure diagram, is a graphical illustration that shows the distribution of various age groups in a population (typically that of a country or region of the world), which forms the shape of a pyramid when the population is growing. it is also used in ecology to determine the overall age distribution of a population; an indication of the reproductive. Population pyramid definition: a pyramid shaped diagram illustrating the age distribution of a population : the youngest | meaning, pronunciation, translations and examples.
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Search population pyramid and thousands of other words in english definition and synonym dictionary from reverso. you can complete the definition of population pyramid given by the english definition dictionary with other english dictionaries: , lexilogos, oxford, cambridge, chambers harrap, wordreference, collins lexibase dictionaries, merriam webster. Definition of population pyramid in the definitions dictionary. meaning of population pyramid. what does population pyramid mean? information and translations of population pyramid in the most comprehensive dictionary definitions resource on the web. A population pyramid is a graph that shows the age sex distribution of a given population. it a graphic profile of the population’s residents. sex is shown on the left/right sides, age on the y axis, and the percentage of population on the x axis. each grouping (ex: males aged 0 4) is called a cohort. A population pyramid, or age structure graph, is a simple graph that conveys the complex social narrative of a population through its shape. demographers use these simple graphs to evaluate the extent of development for a given population – usually an individual nation – and to make predictions about the types of services that population. The shape of a population pyramid can tell us a lot about an area's population. usually pyramids are drawn with the % of male population on the left and % of female population on the right.
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Population pyramids can help us understand the trends in a given population with time. this opinionfront post tells you the definition and types of population pyramids, with examples of each for better understanding. population explosion! it took 123 years for the population on our planet to grow from 1 billion in 1804 to 2 billion in 1927. This age sex pyramid for afghanistan shows very rapid growth. u.s. census bureau. this age sex pyramid of afghanistan's population breakdown in 2015 displays a fast growth rate of 2.3 percent annually, which represents a population doubling time of about 30 years we can see the distinctive pyramid like shape to this graph, which displays a high birth rate. Population pyramids: world 2019. other indicators visualized on maps: (in english only, for now) adolescent fertility rate (births per 1,000 women ages 15 19). What are population pyramids? the population structure for an area shows the number of males and females within different age groups in the population. this information is displayed as an age sex or population pyramid. population pyramids of ledcs (less economically developed countries) typically have a wide base and a narrow top. Pyramid types . there are three key types of population pyramids: rapid growth. this pyramid of the philippines shows a triangle shaped pyramid and reflects a high growth rate of about 2.1 percent annually. slow growth. in the united states, the population is growing at a rate of about 1.7 percent annually.
The population pyramid represents people by age and gender. each new bottom layer represents fertility , which, in terms of a population pyramid, is the number of babies born per decade. let's use. Population pyramids are graphical tools that are used to show the age and sex characteristics of a population. the three types of population pyramids are expansive , constrictive , and stationary . The age structure of a population is the distribution of people of various ages. it is a useful tool for social scientists, public health and health care experts, policy analysts, and policy makers because it illustrates population trends like rates of births and deaths. Population pyramids are ideal for detecting changes or differences in population patterns. multiple population pyramids can be used to compare patterns across nations or selected population groups. the shape of a population pyramid can be used to interpret a population. for example, a pyramid with a very wide base and a narrow top section. Population pyramid, graphical representation of the age and sex composition of a specific population.the age and sex structure of the population determines the ultimate shape of a population pyramid, such that the representation may take the form of a pyramid, have a columnar shape (with vertical sides rather than sloped sides), or have an irregular profile.
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Definition of population pyramid (noun) a graphic representing a population’s distribution according to age and sex. population pyramid pronunciation. pronunciation usage guide. syllabification: pop·u·la·tion pyr·a·mid. audio pronunciation – american english – british english. Population genetics (ecology) in population genetics a sexual population is a set of organisms in which any pair of members can breed together. this means that they can regularly exchange gametes to produce normally fertile offspring, and such a breeding group is also known therefore as a gamodeme.this also implies that all members belong to the same species. Notes. topic: health: reproductive health; definition: total fertility rate represents the number of children that would be born to a woman if she were to live to the end of her childbearing years and bear children in accordance with age specific fertility rates of the specified year.; source: (1) united nations population division.world population prospects, (2) census reports and other. Population pyramids give information about a country and show the population structure. differing population structures have different consequences for a country. Definition of population pyramid in the definitions dictionary. meaning of population pyramid. what does population pyramid mean? information and translations of population pyramid in the most comprehensive dictionary definitions resource on the web.