US President Barack Obama urged young people not to "pull back" from the world and to reject cynicism and xenophobia during a Q&A in London.
Obama's comments came after he faced criticism from leading Brexit campaigners, who branded him an irrelevant "lame duck", over a speech he made supporting the UK's membership of the EU.
President Barack Obama will meet Labour leader Jeremy Corbyn on Saturday, the White House said.
The meeting is expected to be closed to the media.
Mr Corbyn has been an outspoken critic of President Obama's foreign policy, once referring to him as a "Pentagon president like all the others".
Barack Obama has warned that Britain's influence on the global stage would be diminished if it votes to leave the EU.
The presidential hopeful says she agrees with Obama comments adding that she 'has always valued a strong UK in a strong EU'.
US president insists that society is "moving in the right direction" in response to transgender student at London meeting.