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[[A projection system for future age-specific fertility rates]].
Jinko Mondai Kenkyu. [Journal of Population Problems]
|April 1, 1993
Summary
This study introduces a new fertility projection system for Japan. It models age-specific fertility rates by birth order to forecast future population trends.
Area of Science:
- Demography
- Population Studies
- Mathematical Modeling
Context:
- Official population projections for Japan released in 1992.
- Utilized for national and prefectural-level demographic forecasting.
- Addresses the need for accurate long-term population predictions.
Purpose:
- To detail a novel fertility projection system.
- To enable accurate forecasting of age-specific fertility rates.
- To incorporate cohort fertility behavioral traits into projections.
Summary:
- The developed system models fertility based on age-specific rates and birth order.
- It translates cohort fertility parameters into future age-specific rates.
- This methodology was applied to Japan's 1992 population projections.
Impact:
- Provides a robust tool for demographic analysis and population forecasting.
- Enhances the accuracy of future population estimates in Japan.
- Contributes to a deeper understanding of fertility dynamics and cohort behavior.
Keywords:
Age Specific Fertility RateAsiaBehaviorBirth RateCohort AnalysisDemographic FactorsDeveloped CountriesEastern AsiaEstimation TechnicsFertilityFertility MeasurementsFertility RateJapanMethodological StudiesModels, TheoreticalPopulationPopulation DynamicsPopulation ProjectionResearch Methodology