A group of individuals or couples who experience the same event during a specified period.

Pupils are banded together into a cohort defined by their age. For example, the cohort that is styled year 1 this year will be year 2 next year, and year 3 in two years' time.

A group of persons who experience the same event or series of events in a particular period. For example, all persons born in a particular year or all couples married in a particular year are considered cohorts of that year. Use your browser's back button to return from whence you came.