About visualization

Cohort Chart - analyzing life expectancy across the years census recorded

As the name cohort suggests, observing a group of subjects who share a defining characteristic, cohort chart or cohort visualization is used to observe how cohort behaves across time and compare it to other results over time. For representing your data through a cohort chart, you need at least two considerable factors to compare over a time period.

As you can witness in the above cohort visualization for analyzing life expectancy across the years census recorded, we have two factors like “Age for every census period” and “total population”. And over time we can observe with an increase in the population the life expectancy of an individual is gradually decreasing over years.