Ernest Hemingway and his wife Pauline Pfeiffer are part of the lost generation.
Famous people: Ernest Hemingway, J. R. R. Tolkien, Gertrude Stein
This generation describes those who were coming of age during the First World War. Novelist Gertrude Stein coined the phrase “lost generation” in conversation with Ernest Hemingway. Hemingway then wrote about it in his book The Sun Also Rises,where he described the generation as those wounded — literally and metaphorically — by the war.
Frank Sinatra was one of the most popular and influential musical artists of the 20th century.
Famous people: Walt Disney, Elizabeth Taylor, Frank Sinatra
This generation — also known as the greatest generation — can be roughly definedas those who were born too late to serve in the First World War but early enough to experience the Great Depression or the Second World War. Survival was a key trait to this generation, according to journalist Tom Brokaw, who wrote the book The Greatest Generation. The group was community-oriented, had strong loyalty to jobs and had a sense of personal civic duty.
“It is, I believe, the greatest generation any society has ever produced,” Brokaw wrote in his book. “They never whined or whimpered.”
Bill Clinton the served as the 42nd President of the United States from 1993 to 2001.
Famous people: Bill Clinton, Meryl Streep, Princess Diana
After the end of the Second World War, birth rates across the world spiked. The explosion of new infants became known as the baby boom. Women in the workforce soared among the boomers, and they began moving into previously male-dominated professions. Marriage rates declined and divorce rates increased dramatically, according to Encylopedia.com.
Boomers are characterized as agents of social change. From the civil rights movement to landing on the moon, there were many important achievements. The generation’s traits are labeled as nonconformist, highly competitive and hard working.
Jennifer Lopez, also known by her nickname J.Lo, is an American singer, actress and dancer.
Years: 1965 – 1980
Famous people: Jennifer Lopez, Elon Musk, Quentin Tarantino
This generation marks the period of birth decline after the baby boom and is significantly smaller than previous generations. Some of the most influential internet sites of today, like YouTube, Amazon and Google — sprang from the minds of gen-Xers.
Many people in this generation remember exactly they were when Kurt Cobain died in April 1994.
Gen-Xers are often referred to as latchkey kids. As the divorce rate rose in the 1970s, many were left to look after themselves while both parents entered the workforce. As a result, many developed independence and self-reliance, according to the Center for Generational Kinetics.
Ashton Kutcher, actor and model, is most famous for his role in the sitcom That ’70s Show.
Years: 1981-2000 (flexible dates)
Famous people: Ashton Kutcher, Serena Williams, Mark Zuckerberg
Millennials are known to be tech-savvy, self-expressive, narcissistic and prone to jump from job to job, according to Twenge. The generation is also less religious, less likely to have served in the military, and seek instant gratification according to Pew Social Trends.
The generation has also been labeled as trophy kids. In the 2008 book Trophy Kids, author Ron Alsop argues young people are rewarded for minimal accomplishments in competitive sports and have unrealistic expectations of working life.
WATCH: Millennials react to generational stereotypes
However, Twenge said although this generation is known to be “narcissistic”, there is a flip side to that. The generation is usually liberal and receptive to new ways of living.
“There is a growing individualism in this generation. They look more at the ‘self’ and less on social roles,” she said. “Millennials are optimistic and confident.”
Malala Yousafzai is a Pakistani activist for female education and the youngest-ever Nobel Prize laureate.
Famous people: Malala Yousafzai, Elle Fanning, Romeo Beckham
Those who fall under this generation are 21 years old and younger. The group goes by many names such as iGen, Gen Z, Centennials, Founders and more, according to the Center for Generational Kinetics.
Most members of the generation don’t remember a time before social media and were not alive for 9/11.
WATCH: What to expect from the generation after millennials
The term “i” represents both the types of mobile technologies the generations use (iPhone, iPod, iTunes) plus the fact that these technologies are mostly “individualized” in the way they are used, according to Psychology Today.
Social media is key to this generation. According to the Center for Generational Kinetics, the generation sees social media as impacting popularity, happiness, and self-esteem — more than any other group before them.
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