Federal and local agencies estimated that the turnout was about half of the number attending the first inauguration of Barack Obama in 2009, which set a record for the number of people in the National Mall at once.
Federal and local agencies estimated that the turnout was about 700,000 to 900,000 people. According to official estimates, approximately 1.8 million people attended Obama's 2009 inauguration, which set a record for the number of people in the National Mall at once.