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Related Concept Videos

Population Growth00:57

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Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.However, realistic environmental conditions limit the number of...
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Field experience in estimating population growth.

P Lauriat

    Demography
    |February 1, 2011
    PubMed
    Summary

    Implementing population estimation studies like the Population Growth Estimation Study (PGE) in Pakistan, Survey of Population Change (SPC) in Thailand, and Demographic Survey in Turkey (TDS) provides reliable demographic data. These nation-wide studies use dual data collection systems to estimate population growth rates.

    Area of Science:

    • Demography
    • Population Studies
    • Public Health

    Background:

    • Implementing population estimation studies is crucial for understanding demographic dynamics.
    • Reliable population growth rate data is essential for policy-making in developing nations.
    • Previous demographic surveys faced challenges in data accuracy and completeness.

    Purpose of the Study:

    • To report on the implementation of population estimation studies in Pakistan, Thailand, and Turkey.
    • To provide reliable estimates of population growth rates for specific areas within these countries.
    • To outline the methodologies and challenges of conducting nation-wide demographic surveys.

    Main Methods:

    • Utilizing single-purpose, continuing, nation-wide studies with fixed area samples.

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  • Employing dual data collection systems to record births and deaths independently.
  • Comparing data from periodic enumerations and continuous registration systems to identify discrepancies.

    • Main Results:

    • Successful implementation of dual data collection systems in Pakistan, Thailand, and Turkey.
    • Identification of key challenges in field work, including unit identification and approach (de facto vs. de jure).
    • Development of strategies for assuring registration completeness and reconciling unmatched cases.

    Conclusions:

    • The methodologies employed in these population estimation studies are sound.
    • Implementing such comprehensive demographic surveys presents significant challenges, particularly in developing countries.
    • Continued refinement of field implementation strategies is necessary for accurate population growth estimation.