write a short notes on :- death rate, growth rate, Annual growth rate, Census,Migration
Answers
DEATH RATE:
Death rate. The death rate is the number of people per thousand who die in a particular area during a particular period of time.
GROWING RATE:
Growth rate is the change in population over time, and can be quantified as the change in the number of individuals in a population using “per unit time” for measurement. The term population growth can technically refer to any species, but almost always refers to humans, and it is often used informally for the more specific demographic term population growth rate, and is often used to refer specifically to the growth of the population of the world.
ANNUAL GROWTH RATE:
Annual growth rate is a useful tool to identify trends in investments. According to a survey of nearly 200 senior marketing managers conducted by The Marketing Accountability Standards Board, 69% of subjects responded that they consider average annual growth rate to be a useful measurement. The formula used to calculate annual growth rate uses the previous year as a base. Over longer periods of time, compound annual growth rate (CAGR) is generally an acceptable metric for average growth rates.
CENSUS:
A census is the procedure of systematically acquiring and recording information about the members of a given population. The term is used mostly in connection with national population and housing censuses; other common censuses include agriculture, business, and traffic censuses. The United Nations defines the essential features of population and housing censuses as "individual enumeration, universality within a defined territory, simultaneity and defined periodicity", and recommends that population censuses be taken at least every 10 years. United Nations recommendations also cover census topics to be collected, official definitions, classifications and other useful information to co-ordinate international practice.
MIGRATION:
Human migration is the movement by people from one place to another with the intentions of settling, permanently or temporarily in a new location. People may migrate as individuals, in family units or in large groups.
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The death rate is the number of people per thousand who die in a particular area during a particular period of time.
The difference between the birth rate and the death rate of a country is called the natural growth rate.
The rate at which the number of individuals in a population increase in 1 year as a fraction of the initial population is called annual growth rate of population. Effects of Birth Rate on Annual Growth Rate.
Census is the counting of person after every ten years of a particular region. The term is used mostly in connection with national population and housing censuses; other common censuses include agriculture, business, and traffic censuses.
Migration is the movement of person in and out of an area. It is a way by which population Changes .there are two type of migration -
In migration or immigration is when a person enter a new country.
Out migration or emigration is when a person leaves a country.