The number of years a person is expected to live is called life expectancy. It is often calculated based on factors such as age, gender, and demographic characteristics.
They are not expected to grow in number on the contrary the are expected to decrease in number as the number of humans increase.
16 years
The same number of years as anybody else.
Life Expectancy
Life expectancy is the average number of years a person is expected to live based on current age and other factors.
A person Aged 90 to 99 years called a Nonagenarian.
A person who is twenty years old is called a "young adult" or a "young person."
Life Span ! This is the number of years a person is excepted to live !
The death rate is the actual number of people who die in a given year. This is something that is done after the person dies and is tabulated for a population as a whole. Life expectancy refers to the average number of years a person who was born in a particular year is expected to live. This is an estimation or prediction, not an actual number.
It's called Life-expectancy in some countries. "years" not "yours".
A 100-year old person is called a centenarian.