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The generation years chart and timeline describe the seven recent demographic cohorts stretching way back to the 20th century.
The timeline begins with the Greatest Generation, a cohort born in the early years of the 20th century, and ends with Generation Alpha, a cohort born in the first three decades of the 21st century.
The generation groupings bring together people born in collective age brackets that range between 13 and 23 years.
To illustrate, the age bracket for the Greatest generation spanned 23 years, a period stretching between 1901 and 1924, and 15 years for Generation Alpha, a period between 2010 and 2025.
While age is an important yardstick in classifying generational cohorts, additional factors help explain the differences and similarities in their attitudes and behavior.
In particular, the cohorts share collective characteristics and formative experiences in parenting, cultural trends, religious beliefs, political viewpoints, and social/economic well-being.
These ideals and values are usually shaped by politics, economic development, wars, globalization, and advancements in technology.
The United States, Western Europe, and the rest of the developed world have documented demographic cohorts for many decades.
The developing world only began documenting its data due to globalization and technology.
Generation Years Chart
- The following chart outlines generation names and birth years
Generations Years Timeline
This section describes the 7 generational cohorts, their birth years, and characteristics.
It is important to note that the years illustrated below do not exactly represent universal cut-off dates. Different countries and sources will quote varying timelines for scholarly and other reasons. The differences are however not big enough to alter the structure of the cohorts.
Also true, the characteristics of the cohorts are not entirely universal. This is explained through unique traits and values in select families and communities that overlap for generations. Overall, however, a lot of things change through the years, and from generation to generation.
1. The Greatest Generation: (1901- 1924)
They were considered great because they showed remarkable determination and resilience during the two wars and the depression years. They had a passion and willingness to fight for their country because they believed it was the right thing to do.
The iconic journalist, Tom Brokaw coined the ‘generation’ name for this cohort, a title that became popular after he published a book he called The Greatest Generation.
In the book, he credits the generation for staying vigilant at a time when the world was going crazy and facing extreme challenges. But somehow, the men and women of this age gave meaning to courage, sacrifice, and honor.
Out of the many, he lauded individuals such as Charles Van Gorder (a medical doctor), Senator Daniel Inouye, Martha Settle Putney (a black member of Women’s Army Corps – WAC), and George H. W. Bush (pilot), as part of the many people that served their country with honor and courage.
Tom Brokaw lauded the following traits in the cohort:
- Work ethics
- Financial ethics
- A big sense of responsibility
Elsewhere, the Greatest Generation cohort was described using different other names. The cohort was known as the G.I. Generation, or the WWII Generation, and in Australia, the Federation Generation.
Ronald Reagan (1911), John F Kennedy (1917), and Jimmy Carter (1924) are three other famous American personalities born during the Greatest generation years.
2. The Silent Generation: (1925 – 1945)
The Silent generation – also called the Traditionalists was a cohort born between 1925 and 1945 just after WWI and during WWII and the Greatest Depression. The age bracket for this generation stretched for 20 years.
The men and women of the Silent Generation said very little and worked very hard to survive. This probably contributed to their civic approach to work & lifestyle.
A lot about this generation was attributed to the challenges and economic fragility created by the two world wars, and the firm parenting style they went through.
The name Silent Generation was coined by Time Magazine, in a 1951 article titled The Younger Generation. The article slammed this group for lacking ambition and drive.
It was branded unimaginative, cautious, and withdrawn. The Great Depression which lasted from 1929 to 1939 and the Dust Bowl, which devastated farmlands in the 30s perhaps contributed to their conditions.
In scathing words, the article notes,
The most startling fact about the younger generation is its silence. With some rare exceptions, youth is nowhere near the rostrum. By comparison with the Flaming Youth of their fathers & mothers, today’s younger generation is a still, small flame. It does not issue manifestoes, make speeches or carry posters.People: THE YOUNGER GENERATION
To be fair to the Silent Generation, it was caught between two very influential generations: the Greatest and the Baby Boomer generations, and raised during the years of economic madness.
Having grown up as children of fighters (Greatest Generation) during the world wars, they were nurtured to be seen rather than heard as the wars raged on.
The Baby Boomer generation which succeeded them lived through a fairy tale lifestyle as a result of the hard work they did.
To top it all, the Boomers took over the world as the Silent generation looked on.
In the US alone, the Silent Generation has had to witness the Boomers monopolize the presidency for decades. While they have had only one to their name – Joe Bidden, Boomer presidents have included George W Bush, Bill Clinton, Barack Obama, and Donald Trump.
General traits of the Silent Generation:
Warren Buffet (1930), Joe Bidden (1942), Malcolm X (1925), Marilyn Monroe (1926), Harry Belafonte (1927), and Mohammed Ali (1941), are some of the famous American personalities born during this generation years.
3. The Baby Boomer Generation: (1946 – 1964)
The Baby Boomer birth years fell between 1946 and 1964, spanning an age range of 18 years. They were born at a time when WWII had just ended and there was a sense of hope in the US, in particular.
Coupled with the hard work put in by the two previous generations, Boomers had enough time to figure out their future.
The post-war years allowed them to do what others had not during the wars. They saw a future of prosperity, which also encouraged new Boomer couples to give birth to many children.
The boom lasted approximately 20 years.
The bumper birth rate created a new era of consumerism which helped drive the US economy and created a new breed of rich and mindless individuals.
According to Forbes, the Baby Boomer cohort
became especially well-known for its cultivation of self and its carelessness about material wealth.The Boom Generation
The name Baby Boomer first became popular in 1977, thanks to a Washington Post publication about the future of the world economy.
The phrase was used in reference to the boom in childbirth following the return of the American fighters from war and eclipsed other names such as Rock and Roll Generation and Generation Jones.
The Baby Boomer phrase became widely accepted around the world to denote varying opinions and emotions:
- The Chinese through Chairman Mao Zedong used it in the 1960s to encourage conception.
- The Germans used ‘babyboomers’ to refer to the upsurge of babies in the 1960s.
- The Dutch used ‘de baby boomers’ to point out the beneficiaries of wealth through the 1960s.
- The French used ‘les baby-boomers’ to refer to a student generation that rioted in 1968.
- The Italians view the birth years of the 1960s as byproducts of the economic boom at the time.
A few strong characteristics of Baby Boomers:
- Ambitious, goal-oriented, and competitive
- Focused and believe in more hours at work
- Some times careless about wealth
- Resourceful and team players
Other important events during the Baby Boomer years:
- Apart from bumper births, other notable events during these years included the Vietnam War and the enaction of the Civil Rights Act in 1964.
- In the US alone, African-Americans make up 10 percent and Hispanics 8 percent of this demographic group. In total, Baby Boomers will account for 20 percent of the American population as they age.
Popular personalities in this generation years are George W Bush (1946), Steve Jobs (1955), Tony Blair (1953), Princess Diana (1961), Jeff Bezos (1964), Nicholas Cage (1964), Johnny Depp (63), Bill Clinton (1946), Barack Obama (1961), Donald Trump (1946), Bill Gates (1955) and George Clooney (1961).
4. Generation X: (1965 – 1979)
The age range for Generation X lasted only 14 years, stretching between 1965 and 1979.
Also called Baby Buster or Gen X, the cohort reversed the baby boom trend by registering low birth rates!
Similar to the Silent generation, Gen X is unfortunate to be sandwiched between two popular generations: Baby Boomers and Millennials.
The photographer Robert Capa came up with its name which was then used to mean ‘unknown’.
The X generation desired, and even today prefer not to be defined in any manner. The label was further popularized by Douglas Coupland in his 1991 book, Generation X: Tales for an Accelerated Culture, to tell a story of a group of young men (Gen X) living in their own lost world.
Gen X is also defined by its love for music and art and actually pioneered pop culture as we know it today. Xers grew up watching lots of Tv soaps and for this, have fond memories of Friends and a host of other popular Tv series.
The generation also groomed an increasing number of single-parent homes and continue to record higher divorce rates than other generations, right into the 21st Century.
They are independent-minded, educated, informal, casual, entrepreneurial, and are passing on the same traits to their children – the Z cohort.
X is also known as the last generation to hold dear to its culture and education and was the last to understand the world before technology became the norm.
According to Vanity Fair,
Generation X, the last Americans schooled in the old manner, the last Americans that know how to fold a newspaper, take a joke, and listen to a dirty story without losing their minds.
Following the innovation and distribution of the first lots of microcomputers in the 80s and 90s, Generation X somehow became one of the first to interact with technology.
Finally, Gen Xers who are well into their 40s and 50s and defined by many cultural histories such as Parental Advisory are also touted to be the last chance society has to preserve traditional values that are fast becoming extinct.
General characteristics of the Xers:
- Work hard
- Believe in work-life balance
- Flexible and direct
- Thinkers and embrace feedback
- In debt
Famous personalities from this generation years: Jay Z (1969), Tiger Woods (1975), Halle Berry (1966), Julia Roberts (1967), Celine Dione (1968), and Will Smith (1968).
5. Generation Y: (1980 – 1995)
Also called Millennials, the Generation Y cohort was born between 1980 and 1995, stretching for a period of 15 years. Millennials were born at a time when technology was taking true shape, majorly for productivity.
The use of the internet helped them consolidate their grip on technology, and embrace the wide-ranging possibilities in the 21st Century.
Most Millennials were parented by the Baby Boom generation and were named so because they bore the responsibility and opportunity to fully harness the experiences of technology, at the start of the new millennium.
Technology remains critical for driving productivity and has become the tool of choice even at home.
This correlation with the initial years of digital evolution explains why millennials use technology to extend their reach and to venture into global markets. They have used these to drive and shape economies around the world.
Millennials have grown up in a time of rapid change, giving them a set of priorities and expectations sharply different from previous generations.Who are they?
A large chunk of millennial parents is also renowned for championing a new age of parenting, unlike the Boomers and Xers.
Apart from being ethnically and racially diverse, they are more than likely to entertain their children to don wearable gadgets and try out different forms of AI innovations.
In a 2018 survey carried out by Go Daddy, 48% of millennial parents deemed it fine for their Alpha children to have an online experience as compared to only 27% of Gen Xers.
The general traits of Millennials:
- Socially driven
- Ethically diverse
- Tech-driven and curious
- Educated and multi-career based
- Financially conscious and therefore stable
- Poor at interpersonal skills
- Less religious
Popular figures from this era: Mark Zuckerberg (1984), Taylor Swift (1989), Christina Aguilera (1980), Nicki Minaj (1982), Rihanna (1988) and Beyoncé (1981).
6. Generation Z: (1996 – 2009)
The Generation Z birth years lasted for only 13 years stretching between 1996 and 2009. The Zs are also known as the children of Generation X.
As of 2025, when the last Alpha will be born, they will make up close to 27 percent of the workforce, according to McCrindle.
The Z or iGen, just like the previous generation Y, has immersed itself deep in the world of internet and technology. But unlike their predecessors, they exhibit a sense of euphoria and hope to avoid past mistakes by earlier generations.
They also approach fancy lifestyles rather passively in comparison to Millennials.
For example, they learn to drive late and become sexually active much later in life. They also indulge in alcoholic beverages a little later than the previous generations.
Instead, they spend most of the time planning for their future amidst the tight work conditions around the world.
The huge amount of information at their disposal has also affected their sense of concentration. Hence, they are always multi-tasking and have developed short attention spans.
They may seem not to have time for serious stuff at school and at work, but experts presume they are very much goal-oriented and pragmatic.
These traits have led experts to somehow liken them to the Silent generation of the 1920s to 1940s.
Characteristics of Z:
- Tech-savvy and ‘always on‘
- Poor at interpersonal skills
- Reduced attention span
- Indoor generation
- Ethically diverse
- Socially driven
- Less religious
Popular iGeners: Baby Ariel (2000), Zendaya (1996), and Baby Kaely (2004).
7. Generation Alpha: (2010 – 2025)
Generation Alpha is the latest in the chart of generation cohorts and one that best suits the digital native description.
The Alpha cohort brings together people born between 2010 and 2025, adding up to a total of 15 years. The cohort replaced Generation Z whose birth years fell between 1996 and 2009.
It is estimated over 2.5 million Alpha kids are delivered weekly in health facilities around the world, and their numbers will reach a whopping 2 billion as of 2025.
The first Alpha kids were born in 2010, the same year the first iPad was released. The iPad kickstarted a tablet war between manufacturers, which has catapulted tablets into the life of Alphas.
They are popular tools for collaborative learning, especially in the developed world.
As of 2021, the eldest Alpha child is 11 years old.
Alphas will probably be the most transformative generation ever. This is perhaps because they are born inside a world saturated with tech gadgets and are experiencing first-hand the most transformative trends in technology.
As much as Alpha kids are deeply immersed in touchscreen devices their interaction with technology and the bigger picture of life is changing.
The sheer speed of advancement in artificial intelligence means that interaction with the digital ecosystem has to be responsive and prompt, going into the next decades.
The Alpha adults will probably never use apps and cell phones the way they are used today.
Lastly, the outbreak of the COVID-19 pandemic in early 2020 has impacted their childhood years, in many ways.
They spend more time at home, miss out on school, and have to re-evaluate their social development because of social distancing.
General traits of Generation Alpha:
- Indoor generation
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