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| Significance of Study of Population |
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| Each of the derived parameter in the study of population has specific significance. Some important parameters is given below. |
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| Birth rate |
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| It is the rate at which population grows. It is expressed as number of births occurring for every 1000 people per year. It is the most important parameter deciding population growth, as it indicates how many new children are added every year to existing population. It also gives an idea how many adolescents are added after 15 years and how many new people will enter productive age after 15 years to further add to the population. |
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| Death rate |
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| Also called as mortality rate, it is the rate at which people die. It is also expressed as number of deaths occurring for every 1000 people per year. It gives an idea of reduction in population due to death. It negatively contributes to growth rate. It also indicates the level of health care available in country. A stratified information about deaths occurring due to deadly diseases can further lead to conclusion such as severity of a particular disease. The death rate can also lead to conclusions about population growth rate of a country. |
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Human Population and Health
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