• The Greatest Generation (born 1901–1927)

• 1927	2,000,000,000

• The Silent Generation (born 1928–1945)

• 1964	3,273,978,338

• Baby Boomers (born 1946–1964)

• 1964 3,273,978,338

• Generation X (born 1965–1980)

• 1980	4,458,003,514

• Millennials (born 1981–1995)

• 1995	5,744,212,979

• Generation Z (born 1996–2010)

• 2010	6,956,823,603

• Generation Alpha (born 2011–2025)

  2020	7,794,798,739