There have been forty-three people sworn into office, and forty-four presidencies, due to the fact that Grover Cleveland served two non-consecutive terms and is counted chronologically as both the twenty-second and the twenty-fourth president. Quote from Wikipedia, President of the United States: Forty-three individuals have been elected or succeeded to the office of President, serving a total of fifty-six four-year terms.[2] On January 20, 2009, Barack Obama became the forty-fourth, and current, President.