Joseph Robinette Biden Jr. (born November 20, 1942) is an American politician who has been the 46th and current president of the United States since 2021.<!-- Please see the "Current consensus" section on the talk page and do NOT change the first sentence without prior consensus. Thank you. --> A member of the Democratic Party, he served as the 47th vice president from 2009 to 2017 under President Barack Obama and represented Delaware in the U.S. Senate from 1973 to 2009.<!-- Please see the "Current consensus" section on the talk page and do NOT change the first paragraph without prior consensus. Thank you. --> Wikipedia