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, reflecting decades of declining fertility and rising longevity. This demographic ...

New York's Southern Tier region continued to see population loss in 2025, according to new U.S. Census Bureau data. The region's population decline was less severe in 2025 compared to previous years, ...