This is a list of oldest and youngest Academy Award winners and nominees in the award categories "acting" and "directing".
This list is based on "statistics valid through the nomination announcement for the 2015 (88th Academy Awards), announced on January 14, 2016", as documented in The Official Academy Awards Database.
At the 90th Academy Awards, James Ivory became the oldest ever Oscar winner in any category at the age of 89 after receiving the award for Best Adapted Screenplay for his work on Call Me by Your Name. There are only two people in Oscar history to have won two Oscars before the age of 30; Luise Rainer for The Great Ziegfeld and The Good Earth and Jodie Foster for The Accused and The Silence of the Lambs in Best Actress in a Leading Role category.
The [searchable] Academy Awards Database contains the record of past Academy Award winners and nominees. The data is complete through the 2008 (81st) Academy Awards. ... The ["Academy Award Statistics" in the "Directing" and "Acting" sections of the Awards Database] are based on the most reliable birthdate information available to us at the time of publishing. We welcome any information from primary sources that might indicate a different birthdate for an individual. Such sources might be birth or death certificates or databases based on such records, published interviews with the individual or published documents that cite their sources. This would not include the Internet Movie Database or other web sites that do not cite primary sources for their information.N.B.: Ages (including for those persons receiving nominations and/or awards posthumously) are computed by the Academy of Motion Picture Arts and Sciences (AMPAS); for nominations, all ages are computed "from date of birth to date of nominations announcement"; for awards won, all ages are computed "from date of birth to date of awards ceremony."