15 years old
As of October 2023, Mary-Kate Olsen and Ashley Olsen, the youngest of the Olsen siblings, are 37 years old, having been born on June 13, 1986. Their older brother, Trent Olsen, was born on May 6, 1984, making him 39 years old. The eldest sibling, Elizabeth Olsen, was born on February 16, 1989, and is 34 years old.
Jussi Adler-Olsen is 61 years old (birthdate: August 2, 1950).
Tillie Olsen was born on January 14, 1912 and died on January 1, 2007. Tillie Olsen would have been 94 years old at the time of death or 103 years old today.
Mary-Kate Olsen (twin sister of Ashley) is 31 years old (birthdate: June 13, 1986).
Tillie Olsen died on January 1, 2007 at the age of 94.
Candace Olsen is in her 50's
Elizabeth Olsen is 28 years old (birthdate February 16, 1989).She is the younger sister of the Olsen twins, Mary-Kate and Ashley Olsen (born 1986).
Jørgen Olsen is 61 years old (birthdate: March 15, 1950).
Scott Olsen is 27 years old (birthdate: January 12, 1984).
Niels Olsen is 57 years old (birthdate: April 13, 1954).
Joachim Olsen is 34 years old (birthdate: May 31, 1977).
Morten Olsen is 67 years old (birthdate: August 14, 1949).
Jesper Olsen is 50 years old (birthdate: March 20, 1961).
Kristina Olsen is 54 years old (birthdate: May 26, 1957).
As of the end of the 2013-2014 NFL season Greg Olsen is 29 years old.
As of the end of the 2013-2014 NFL season Eric Olsen is 26 years old.
As of October 2023, Mary-Kate Olsen and Ashley Olsen, the youngest of the Olsen siblings, are 37 years old, having been born on June 13, 1986. Their older brother, Trent Olsen, was born on May 6, 1984, making him 39 years old. The eldest sibling, Elizabeth Olsen, was born on February 16, 1989, and is 34 years old.