Age Groups – Vocabulary

Acting or looking young, behaving or feeling like a young person

Fully grown and developed, behaving like an adult

Someone under the age of 18 or describing a childish or immature behaviour

The state of being fully grown or developed, or displaying adult behaviour and qualities

Process of growing, changing or becoming more advanced over time

Total length of time that a person, animal or plant is alive

Period of time from birth to about one year old

Having a position for longer than others in a group or as a job

Child between three to five years old, not yet old enough for kindergarten

Child who attends elementary school (aka grade shool)

Student who attends high school

Student in Grade 1, and can be used for any grade: second grader, third grader and so on

To grow older, to show effects of growing older

To develop physically and mentally from a child into an adult

To become fully grown, fully developed physically and mentally

To reach a specific age, e.g. to turn 18

Born between 1901-1927, grew up during the Great Depression and may have fought in World War II or participated in the war effort

Born between 1928-1945, grew up during World War II, came of age during the Cold War

Born between 1946-1964 (aka Boomers) grew up during the Civil Rights Movement and the Vietnam War, named after the postwar birth rate increase

Born between 1965-1980 (aka Gen X, Latchey Kids, Forgotten Generation, Baby Busters), grew up through the end of the Cold War, energy crisis, rise of personal computers and video games

Born between 1981-1996 (aka Generation Y, Gen Y), came of age during the turn of the millennium, the rise of the Internet and social media

Born between 1997-2012 (aka Gen Z, Zoomers, Digital Natives), first generation born entirely into the digital age with access to the Internet, smartphones, social media and instant global events

Born between 2013 and present, entirely born in the 21st century, growing up with AI and global connectivity

Between thirteen and nineteen years old, teenagers

Person between twenty and twenty nine years old, in their 20s. Can be used for every decade: a thirty-something, a forty-something and so on

Person between sixty and sixty-nine years old, in their 60s

Person between seventy and seventy-nine years old, in their 70s

Person between eighty and eighty-nine years old, in their 80s

Person between ninety and ninety-nine years old, in their 90s

Person who is one hundred years old or older

Lacking experience, not fully developed or trained

Young and without much experience, naive or unsophisticated

Young, inexperienced, or newly matured person

Being in the best period of life, when a person is the strongest, most active, most successful or most capable

Transition from childhood to adulthood

Past your prime, no longer young and at your best

Old, or rather old, often used humorously

Experienced and skilled for having done something for a long time

To have a worn, aged or hardened appearance due to exposure to the elements or hardship

Growing old, advancing in age

Period of old age, retirement, considered a time of enjoyment

No longer at peak condition or appearance

Very old age, especially one reached after a long and full life