Age by decade

>Denarian: Someone age 10 to 19. >Vicenarian: Someone in his or her twenties.

>Tricenarian: Someone in his or her thirties.

>Quadragenarian: Someone in his or her forties.

>Quinquagenarian: Someone in his or her fifties.

>Sexagenarian: Someone in his or her sixties.

>Septuagenarian: Someone in his or her seventies.

>Octogenarian: Someone in his or her eighties.

>Nonagenarian: Someone in his or her nineties.

>Centenarian: Someone 100 or more.

>Supercentenarian: Someone 110 years old or more (no upper limit).</LI></UL> The terms denarian, vicenarian, tricenarian, and quadragenarian are not in common usage.

The term supercentenarian was coined in 1991.