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 ...

Canada’s population pyramid has inverted, reshaping the nation’s demographic profile. Seniors now outnumber children, ...

China will ease family planning restrictions to allow all couples to have two children after decades of a strict one-child policy implemented in 1980. In 1950, children aged 10 or younger accounted ...