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Generations are brief periods of time that are connected with pop cultures throughout the world. Many characteristics of these generations are the music, fads, inventions, and wars specific to each period of time. Each generation is categorized by the general birth years of the people within the generation.

20th century America and Europe

• The Lost Generation was a term originally used to identify a group of American literary expatriates living in Paris in the 1920s and 1930s; it is now used more generally to describe the generation of young people who came of age in the United States during and shortly after World War I.

• The Silent Generation was the generation born between the two World Wars, who were too young to join the service when the war started. Many had fathers that served in World War I. (1925-1945)

• The Greatest Generation is the worldwide generation of Allies that served in World War II. This group overlaps with the G.I. Generation, the generation of Americans that fought and won World War II, later to become the Establishment, and the parents of children who would later become the Baby Boomers.

• The Baby Boomers were the generation born during or just after World War II; there was a worldwide increase in birthrate for about 14 years (1945-1954).

• The Baby Busters were born during the time period in which the birthrate caused by the baby boomers began to decline (1955-1965).

• Generation Jones is the group of people born in between the Baby Busters and Generation X (1964-1970). Many in this group share a pop culture knowledge common to both groups.

• Generation X is the generation born after the Baby Boomers, excluding the Baby Busters and the Second Lost Generation. Most of this generation are children of Baby Boomers. They tended to grow up with video games and MTV, and spent most of their teen years in the 1980s. (1969-1982)

• XY Cusp, also known as the MTV Generation or Doom Generation, was caught between the end of Generation X and start of Generation Y, mainly living out their childhood through the 80s and teen years in the mid-90s. This generation was influenced by the launch of MTV, and the remainder of Generation X. (1975-1985).

• Boomerang Generation, also known as the Generation Why?, was a sub-group of Generation Y, growing up in the '90s and early 2000s, whose emergent experiences straddled the Cold War/Space Age and Internet eras. In many ways more connected to the G.I. Generation than other recent generations, this group came of age in the period directly following the September 11th attacks. (1982-1986)

• Generation Y, also known as the Echo Boom, or Millennium Generation, grew up with many world-changing events including the rise of mass communication and the Internet. (1976-2001 widest possible definition commonly cited)

• iGeneration, the Internet generation, is a subgeneration for the latter half of Generation Y (1985-1999) and the first half of Generation Z (1995-2005).

• Generation Z, youngest of the generations thus far, is likely to live in a stricter world than their Generation X or Y counterparts, due to Generation Y's experiences with school shootings and the September 11th attacks. (1995-?)

Japanese Americans

• Issei Japanese Americans are first-generation Japanese Americans who arrived in the United States before the Immigration Act of 1924. Japanese Citizens were not allowed to leave Japan legally until 1884.

• Nisei Japanese Americans are second-generation, American-born citizens of the United States of Japanese ancestry, who generally reached adulthood by the outbreak of World War II.

• Sansei Japanese Americans are third-generation Japanese-Americans, most of whom were born during the baby boom after the end of World War II, and the children of the Nisei Japanese Americans.

• Yonsei Japanese Americans are fourth-generation Japanese-Americans, most of whom were born during Generation X and Generation Y whose parents are Baby Boomers or Sansei.

List of Generations Chart

This graph is based on birth years. The major events on the list happen at some time within 30 years of each generation's birthdates, usually something very significant to the pop culture of the generation. Generation Y is placed in the 21st century because even the youngest members of the generation had not yet entered high school when the new millennium began.

Century	Era	Generation	Sub-Generations	Time Table	Notable Occurrences
19th century
	Missionary Awakening (American Civil War and Industrial Revolution)
		Progressive Generation		1843 - 1859	Introduction of the Lightbulb/Industrial Revolution
		Missionary Generation		1860 - 1882	American Civil War, Reconstruction, Dawn of the Automobile
20th century
		Lost Generation	World War I Generation	1883 - 1900	Experienced WWI in adulthood
			Interbellum Generation	1901 - 1910	Roaring 20's
	American High (Great Depression and World War II)
		Greatest Generation	G.I. Generation	1911 - 1924	Experienced WWII in adulthood
			Silent Generation	1925 - 1942	Experienced WWII in childhood
		Baby Boomers		1943 - 1956	Civil Rights Movement
	Consciousness Revolution (Vietnam War / Counterculture / Cold War)
		Baby Busters	Beat Generation	1957 - 1968	First modern "subculture"
			Generation Jones	1969 - 1971	Rise of the Arcade/Atomic Age
		Generation X	MTV Generation	1970 - 1985	Rise of Mass Media/end of the Cold War
			Boomerang Generation	1981 - 1986	Rise of Mass Media/end of the Cold War
21st century
	Culture Wars
		Generation Y
			Echo Boom	1986 - 1994	Dawn of the 21st century
			iGeneration	1990 - 2001	Rise of the Information Age/Internet
		Generation Z		2001 - 20??	Wars on Terrorism/Globalization