How old was Mark Zuckerberg when he founded Facebook?

Mark Zuckerberg was 19 years old when he founded Facebook. He launched the platform on February 4, 2004, while he was a sophomore at Harvard University. At the time of Facebook's founding, Zuckerberg was studying computer science and psychology at Harvard, and he embarked on the project with the goal of creating a digital platform for college students to connect and communicate with each other online.

Mark Zuckerberg was 19 years old when he founded Facebook in February 2004.