Who Was Alive

Were Barack Obama and Mark Zuckerberg alive at the same time?

Yes. Barack Obama and Mark Zuckerberg were alive at the same time for 42 years, from 1984 to today.

Barack Obama was 22 when Mark Zuckerberg was born.

Barack Obama

44th President of the United States

Born 4 August 1961 · living, 65 as of September 2026

Mark Zuckerberg

American Internet entrepreneur

Born 14 May 1984 · living, 42 as of September 2026

  1. Ronald Reagan
  2. Nelson Mandela
  3. Donald Trump
  4. Vladimir Putin
  5. Michael Jackson
  6. Barack Obama
  7. Mark Zuckerberg
Barack Obama and Mark Zuckerberg in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.