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	Coale-Demeny Model Life Tables	安定人口理論
分野	人口学	人口学
系統	Survival analysis	Regression model
提唱年	1966	1972
提唱者	Ansley J. Coale & Paul Demeny	Alfred J. Lotka; Ansley Coale
種類	Empirical system of standard age patterns of mortality	Mathematical demographic model
原典	Coale, A. J., Demeny, P., & Vaughan, B. (1983). Regional Model Life Tables and Stable Populations (2nd ed.). Academic Press, New York. ISBN: 9780121770808	Coale, A. J. (1972). The Growth and Structure of Human Populations: A Mathematical Investigation. Princeton University Press. ISBN: 978-0-691-09357-4
別名	Coale-Demeny Life Tables, Regional Model Life Tables, Coale-Demeny System	Lotka-Coale Stable Population Model, Stable Age Distribution Theory, Stationary Population Theory, Kararlı Nüfus Teorisi
関連	4	2
概要	The Coale-Demeny regional model life tables are a system of standard age patterns of mortality, distilled from hundreds of empirical life tables into four regional families — North, South, East, and West — each indexed by a mortality level. Given only a single summary of mortality, such as life expectancy at birth or a child-survival measure, the system supplies a complete, internally consistent age schedule of death rates. For decades they have been the default tool for inferring full mortality patterns in populations with incomplete or unreliable death data, especially in developing countries and historical demography.	Stable Population Theory is a mathematical framework in demography that describes the age structure and growth dynamics of a closed population subject to constant age-specific fertility and mortality schedules over a long period. Foundational work by Alfred J. Lotka established the core integral equation in the early twentieth century, and Ansley Coale's 1972 mathematical synthesis became the definitive theoretical reference, showing that any population exposed to invariant vital rates will converge to a unique stable age distribution growing at a fixed intrinsic rate of natural increase.