Resident population in the United States in 2017, by generation
(in millions)
U.S. population by generation 2017
Generation Z, or those born after 1997, made up the largest generation in the United States as of 2017, with about 90.55 million individuals. The Baby Boomer generation, or those born between 1946 and 1964, made up the second largest generation, with 72.56 million individuals.

Generational differences

Generational markers can be hard to determine, since each generation generally covers about 20 years, so while some members of a generation may be children, the older cohort could be in college. However, there are some significant differences between generations. One large difference between the generations is the difference in income. In 2017, members of Generation X had the most disposable income out of any generation, with an average of 81,022 U.S. dollars. Baby Boomers, who are about to, or already have, entered retirement, had an average of 66,697 U.S. dollars in disposable income.

Generation Z

Generation Z is the most recent generation to have been named, with the oldest members being about 22 years old. Generation Z is said to be the most diverse generation and has the smallest number of white members of any generation. Generation Z also makes up about 27.7 percent of the U.S. population; more than Baby Boomers, Generation X, and Millennials.
Resident population in the United States in 2017, by generation
(in millions)
Population in millions
The Greatest Generation (born before 1928) 2.11
The Silent Generation (born 1928-1945) 24.44
The Baby Boomer Generation (born 1946-1964) 72.56
Generation X (born 1965-1980) 65.45
The Millennial Generation (born 1981-1996)72.06
Generation Z (born 1997 and later)90.55
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U.S. population by generation 2017
Generation Z, or those born after 1997, made up the largest generation in the United States as of 2017, with about 90.55 million individuals. The Baby Boomer generation, or those born between 1946 and 1964, made up the second largest generation, with 72.56 million individuals.

Generational differences

Generational markers can be hard to determine, since each generation generally covers about 20 years, so while some members of a generation may be children, the older cohort could be in college. However, there are some significant differences between generations. One large difference between the generations is the difference in income. In 2017, members of Generation X had the most disposable income out of any generation, with an average of 81,022 U.S. dollars. Baby Boomers, who are about to, or already have, entered retirement, had an average of 66,697 U.S. dollars in disposable income.

Generation Z

Generation Z is the most recent generation to have been named, with the oldest members being about 22 years old. Generation Z is said to be the most diverse generation and has the smallest number of white members of any generation. Generation Z also makes up about 27.7 percent of the U.S. population; more than Baby Boomers, Generation X, and Millennials.
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