Millennials Millennials Millennials, also known as Generation Y or Gen Y, are the generational demographic cohort following Generation X and preceding Generation Z. There are no precise dates for when this cohort starts or ends; demographers and researchers typically use the early 1980s as starting birth years and the mid-1990s to early 2000s as ending birth years. Millennials are sometimes referred to as "echo boomers" due to a major surge in birth rates in the 1980s and 1990s, and because millennials are often the children of the baby boomers. Although millennial characteristics vary by region, depending on social and economic conditions,
Baby boomers baby boom period differently. Landon Jones, in his book "Great Expectations: America and the Baby Boom Generation" (1980), defined the span of the baby-boom generation as extending from 1943 through 1960, when annual births increased over 4,000,000. Authors William Strauss and Neil Howe, well known for their generational theory, define the social generation of Boomers as that cohort born from 1943 to 1960, who were too young to have any personal memory of World War II, but old enough to remember the postwar American High. Pew Research Center defines baby boomers as being born between 1946 and 1964. In the