Christensen was born in Vancouver, British Columbia, to Canadian computer programmer and communications executive David Christensen and American speechwriter Alie Christensen. He is 41 years old currently.
His mother is of Swedish and Italian ancestry, while his father is of Danish descent.
Christensen is one of four kids; his older brother Tove, older sister Hejsa, and younger sister Kaylen all work as actors.
Together with his maternal grandmother Rose Schwartz, he spent his summers on Long Island.
Hayden Christensen wife: Is Hayden Christensen married?
No, he is currently single at the moment.
However, Christensen started dating actress Rachel Bilson, with whom he co-starred in the 2007 film Jumper, in that same year. They became engaged on December 25, 2008.
They split up in the middle of 2010, but a few months later started dating once more. Bilson gave birth to their daughter on October 29, 2014.
In September 2017, Christensen and Bilson parted ways.