This is a list of the acting nominee that was the oldest among their pool of Oscar nominees at the time of the ceremony from every year.

Special Notes:
- 96 of the following nominees are 50 or older, for a total of 98%
- 81 of the following nominees are 60 or older, for a total of 82.7%
- 55 of the following nominees are 70 or older, for a total of 56.1%
- 19 of the following nominees are 80 or older, for a total of 19.4%
- The oldest nominee on this list is Christopher Plummer who was 88 at the time of his nomination.
- 19 of the following nominees went on to win in their category, for a total of 19.4%
- 57 of the following nominees are men, for a total of 58.2%. 41 of the following are women, for a total of 41.8%.
- 36 of the following performers were nominated for Lead, for a total of 36.7%. 62 of the following were nominated for Supporting, for a total of 63.3%.

The following performers were the oldest at multiple ceremonies:
- Marie Dressler: 4th/5th
- May Whitty: 10th/15th
- Charles Coburn: 14th/16th/19th
- Spencer Tracy: 31st/33rd
- Edith Evans: 36th/37th/40th
- Laurence Olivier: 49th/51st
- Anthony Hopkins: 66th/67th/92nd/93rd
- Judi Dench: 74th/78th/94th
- Christopher Plummer: 82nd/90th

The following films had both the oldest and youngest nominees of their year:
- Pinky
- The Heartbreak Kid
- Titanic
- Iris

The only performer to have been nominated as both the youngest of their year and later as the oldest of their year is Meryl Streep.