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	Coale-Demeny Model Life Tables	生命表解析
分野	人口学	人口学
系統	Survival analysis	Survival analysis
提唱年	1966	1984
提唱者	Ansley J. Coale & Paul Demeny	Demographic/actuarial tradition; Chiang
種類	Empirical system of standard age patterns of mortality	Age-structured mortality estimator
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	Chiang, C. L. (1984). The Life Table and Its Applications. Robert E. Krieger Publishing. ISBN: 978-0-89874-565-2
別名	Coale-Demeny Life Tables, Regional Model Life Tables, Coale-Demeny System	Mortality Table, Actuarial Table, Survival Table, Yaşam Tablosu
関連	4	3
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.	A life table is a systematic, age-structured summary of the mortality experience of a population. It traces a hypothetical cohort of births — conventionally 100,000 — through successive age intervals, recording how many survive, how many die, and how many person-years are lived at each interval. The method was formalized in its modern probabilistic form by Chiang (1984), synthesizing centuries of actuarial and demographic practice into a rigorous statistical framework applicable to human and biological populations alike.