According to the United States Census Bureau, the current U.S. population is 325,719,178. This number is divided into generations. Generations are age cohorts that have similar experiences and environment, such as social, political, and historical experiences, and economic environments. Also, each generation has unique set of characteristics and core values.
The cohorts are:
Silent Generation, born from 1928 -1945
Baby Boomer generation, born from 1946-1964
Generation X, born from 1965-1980
Generation Millennials born from 1981-1996
Generation Centennial born from 1997-2012