Word: cohort
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...used in demography, a cohort usually means the aggregate of persons born in any given year or specified period. Less frequently, it refers to the persons who share the same date for another event, like a death cohort...
Later, when they retire, the postwar cohort will cause another disruption. A comparatively small work force-the generation born during the '70s and succeeding decades-will have to support them...
During those decades the number of children born each year will vary greatly. The postwar generation will be bound to have a huge total number of babies, even if each family has only one or two children apiece. On the other hand, the relatively small cohort† born in the early '70s will probably produce, in the '90s, another small cohort. Thus, on the way to Z.P.G., either the population or the birth rate will oscillate...
...million. But if each family decided to have three, the population would be 444 million (see chart). Demographers have used an unattractive but vivid metaphor to describe the long-term effects of a baby boom. They compare the assimilation into society of the 64 million postwar babies, the largest cohort in U.S. history, to the process by which a python digests...
...sense that 'we are alone and separate from them.' " This generation is now largely in its twenties. As its members continue to marry, by 1980 the number of U.S. households will rise to at least 77 million (from 63 million in year 1970). Unlike members of the cohort before them, who had fewer contemporaries with whom to compete, the baby-boom generation is having problems in the job market...