The 464th Congress refers to the legislative body of the United States that convened from January 3, 2015, to January 3, 2017. It consisted of the Senate and the House of Representatives, with a total of 535 members. During this period, the Republican Party held a majority in both chambers, influencing the legislative agenda and priorities. Key issues addressed during the 464th Congress included healthcare, immigration reform, and budgetary matters. Notable legislation included efforts to repeal the Affordable Care Act and discussions surrounding the federal budget. The Congress also faced challenges such as partisan divisions and debates over various policy initiatives.