Joseph R. Biden, Jr. is sworn in as the 46th president of the United States (©AP Images) President Joseph R. Biden Jr. entered office on January 20, 2021. Read his Inaugural Address By U.S. Embassy Budapest | 21 January, 2021 | Topics: News, President of the United States | Tags: Inauguration, President of the United States Suggested for You COVID-19 Information (updated daily) Human Resources Clerk (HR Administrative Assistant) (February 25)