He's 18 years old as of today (11/15/10)
he is 17
U.S. actor Jacob Pitts is currently 30 years old.
The actor for Jacob in Twilight is Taylor Daniel Lautner, he is 17.
Child actor Jacob Smith is 27 years old (birthdate: January 21, 1990).
Canadian actor Jacob Tierney is 38 years old (birthdate: September 26, 1979).
Disney Channel actor Jacob Hays is 22 years old (born August 21, 1995).
US child actor Jacob Kogan is 22 years old (born May 28, 1995).
Mexican-American actor Jacob Vargas is 46 years old (birthdate: August 18, 1971).
Young Jacob's twin brother, who becomes the Man in Black, was played by 15-year-old Ryan Bradford.
Jacob Black becomes a wolf when he is 16. @-{--
Yes, when Renesme is the same age as Jacob he will begin to grow old with her.
Jacob Black becomes a wolf when he is 16. @-{--