Here are the generations in order, along with their birth years and age ranges in 2023:

• The Lost Generation (born 1890-1915)
• The Interbellum Generation (born 1901-1913)
• The Greatest Generation (born 1910-1924)
• The Silent Generation (born 1925-1945)
• Baby Boomer Generation (born 1946-1964)
• Generation X (born 1965-1979)
• Xennials (born 1975-1985)
• Millennials Generation Y, Gen Next (born 1980-1994)
• Generation Z, iGen, or Centennials (born approximately 1996-2015)

Its important to note that the exact years for each generation can vary depending on the source, and that generations are not a precise science with firm definitions. However, looking at people through a generational lens can offer useful predictability for those trying to reach, inform, or persuade a large cross-section of a population.