 following a disastrous debate with donald trump that raised doubts about his fitness for office just four months before the election the decision comes after escalating pressure from biden's democratic allies to step aside following the june 27th debate in which the 81 year old president trailed off president biden does plan to serve the remainder of his term which ends at noon on january 20th of 2025 30 minutes later biden threw his support behind vice president camilla harris the