…Today, there are two main types of life tables. One is the generation life table or cohort life table, and the other is the current life table. The former regards people born in a certain year as a single birth cohort, and shows how the number of deaths and the number of survivors (remaining) have been calculated as the population ages in the context of natural and social environmental conditions that change from year to year. … *Some explanations of terms that refer to "cohort life table" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…今日,生命表といえば大別して二つある。一つは世代生命表generation life tableまたはcohort life tableであり,もう一つは普通生命表current life tableである。前者は,ある年に生まれた人々を一つの同時出生集団とみなし,この集団が年々変動する自然的・社会的諸環境状態のなかで,加齢とともにどのように死亡数や生存(残)数を計上してきたかを示すものである。… ※「cohort life table」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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