Barack Obama served as president of the United States from January 20, 2009, to January 20, 2017.

Quick Scoop: Obama’s Time in Office

  • Obama was inaugurated as the 44th president on January 20, 2009.
  • He won re‑election in 2012 and began his second term on January 20, 2013.
  • His presidency ended on January 20, 2017, when Donald Trump was inaugurated.

So if you’re wondering “when was Obama in office,” it was the eight-year span from early 2009 through early 2017.

TL;DR: Barack Obama was in office from January 20, 2009, to January 20, 2017.

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