Age Structure
In many kinds of populaces, people are of various ages. People in each age bunch are called the aged design of that populace. The proportion of the different age bunches in a populace decides the ongoing regenerative status of the population, in this manner expecting its future. From a natural viewpoint, there are three significant biological ages in any populace. These are, pre-conceptive, regenerative, and post-regenerative. The general term of these age bunches in relation to life expectancy fluctuates enormously with various organic entities.
Age Pyramid
The model addressing mathematically the extent of various age bunches in the number of inhabitants in any life form is called the age pyramid. As per Bodenheimer (1938), there are following three essential sorts of old enough pyramids.
- A pyramid with a wide base: It demonstrates a high level of youthful people. The population rate of birth is high and populace development might be dramatic in a quickly developing youthful population. Under such circumstances, each progressive age will be more varied than the former one, and accordingly, a pyramid with an expansive base would result.
- Bell-Shaped Polygon: It demonstrates a fixed populace having an equivalent number of youthful and moderately aged people. As the development rate turns out to be slow and stable, i.e., the pre-regenerative and conceptive age bunches become pretty much equivalent in size, post-conceptive gathering staying as the littlest
- An urn-formed structure: It demonstrates a low level of youthful people and shows a declining populace. Such an un-molded figure is acquired when the rate of birth is definitely decreased in the pre-regenerative gathering lessons with respect to the next two age gatherings of the populace.
Characteristics of the Population
The population is characterized collectively by people of similar species living and interbreeding inside a given region. Individuals from a populace frequently depend on similar assets, are dependent upon comparable natural requirements, and rely upon the accessibility of different individuals to endure over the long run.
Table of Content
- Characteristics or Qualities of the Population
- Populace size and Density
- Populace Scattering or Spatial Dissemination
- Age Structure
- Natality (Rate of Birth)
- Mortality (Passing Rate)
Population Characteristics
Contact Us