Nonagenarian.
A centenarian
An octogenarian.
The spelling for 90.99 is ninety ninety-nine OR ninety and ninety-nine
90,090,090
A Person Between The Ages Of Eighty And Ninety Is Called an Octogenarian. (:
A person aged between 90 and 99 is called a nonagenarian.
A person Aged 90 to 99 years called a Nonagenarian.
A person aged 100 years is commonly referred to as a centenarian.
A person who has exhausted all ninety-nine possible weeks of unemployment benefits.
centenarian
Such a person is a centenarian.
A person aged between 50 and 60 years is often referred to as "middle-aged."
Nonagenarian.
It varies on the type of person.
old.
centurian