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Chapter 10: Population Estimates, Projections, and Forecasts
Chapter 11:…
Chapter 10: Population Estimates, Projections, and Forecasts
Chapter 11: Population Policy Controlling Demographic Processes
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Central Date
The point in time for which authoritative data on demographic characteristics exists such as Census years 1980, 1990, 2000 is referred
Population Estimation
Several methods of estimation are used by government census offices and academic and private researchers
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Arithmetic Growth
The linear model also referred to as arithmetic growth assumes that the rate of change between two dates will be constant throughout the interval
Exponential Growth
The assumption made by the geometric model that increments are added to the population base at the end of each year is nor realistic.
Logistic Growth
The logistic model assumes that neither absolute growth nor growth rates remain constant over the period under observation
Components Methods
Methods based on the fundamental equation of demography apply the fact that the size of a population at a date for which data are unavailable can be estimated
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Children, Families and Communities
Commons
refers to any resource such as sheep pasture, shared by a group of people
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