America's population is growing, and should continue to grow for the next several decades. The US Census Bureau recently released updated projections of the makeup of the US population over the next ...

We seem fascinated by generations, using them to evoke shared experiences and to push us apart. Demography, the science of population change, defines a cohort as a group of people born at roughly the ...

Population pyramids close population pyramidA population pyramid is a special graph that can be used to show the specific age breakdown of a population. show the structure of a population by comparing ...