Geo 143: Measures for the study of population
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Why is the crude birthrate a measure of fertility?
By using crude birthrate, we can know how many babies are born a year per 1000 people, but it includes males in denominator, so it is crude measure of fertility (not an accurate measure)
What is the best single measure of fertility in a population?
Total Fertility Rate(TFR shows the average number of children born to a woman during her lifetime (woman aged 15-49.)
What are the different measures of mortality?
- 1. Crude death rate,
- 2. age-specific death rate,
- 3. expectation of life at birth (life expectancy), 4. infant mortality rate
What is the best single measure of mortality/health levels in a population?
Life table (life expectancy)
What does the term net-migration refer to?
Net migration =
What does the rate of natural increase measure?
-measuring the population change excluding the effects of migration
What is the difference between the rate of growth and the rate of natural increase?
- -The rate of growth is a measure of total population growth including the influence of migration
- -the rate of natural increase does not include migration.
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