US President Barack Obama farewell speech in Chicago
11 January 2017 Last updated at 07:27 GMT
President Barack Obama outlined his achievements in his farewell speech in Chicago.
The country's first black president, now 55, was first elected in 2008 on a message of hope and change.
His successor, Donald Trump, has vowed to undo some of Mr Obama's signature policies after he is sworn into office on 20 January.