A person aged 30-40 years is commonly referred to as a "millennial" if they were born between 1981 and 1996. They may also be part of the "older millennial" or "young Gen X" demographic, depending on their exact birth year. This age group is typically considered to be in early to mid-adulthood, often focusing on career development, family life, and personal growth.
70 - 79 - septuagenarian80 - 89 - octogenarian100 years old - centenarian
A centenarian
An octogenarian.
A person aged between 90 to 100 years is typically referred to as a "nonagenarian." The term specifically denotes individuals in their nineties, and it highlights the advanced age of the person. If someone reaches the age of 100, they are called a "centenarian."
A person aged 50-59 is typically referred to as a middle-aged adult. This age range is often considered part of the broader category of middle adulthood, which generally spans from about 40 to 65 years old. In some contexts, individuals in this age group may also be described as "pre-retirement" or "older adults," depending on the focus of the discussion.
A person Aged 90 to 99 years called a Nonagenarian.
A person aged 100 years is commonly referred to as a centenarian.
old
A Nonagenarian
There isn't a particular name for someone between in 50-60 but someone over 60 is usually called an OAP (Old Aged Person).
Teen.
tricenarian
A person between the ages of 40 and 49 is a quadragenarian.
A Person Between The Ages Of Eighty And Ninety Is Called an Octogenarian. (:
A person age 60-69 is a sexagenarian, taken from the Latin for "six."
70 - 79 - septuagenarian80 - 89 - octogenarian100 years old - centenarian
centenarian