![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/1/14/ExplainingCaseControlSJW-en.svg/640px-ExplainingCaseControlSJW-en.svg.png&w=640&q=50)
Cohort (statistics)
A group of subjects who share a characteristic, such as generation / From Wikipedia, the free encyclopedia
For other senses of this word, see cohort (disambiguation).
In statistics, epidemiology, marketing and demography, a cohort is a group of subjects who share a defining characteristic (typically subjects who experienced a common event in a selected time period, such as birth or graduation).
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/1/14/ExplainingCaseControlSJW-en.svg/640px-ExplainingCaseControlSJW-en.svg.png)