United States senators are conventionally ranked by the length of their tenure in the Senate. The senator in each U.S. state with the longer time in office is known as the senior senator; the other is the junior senator. This convention has no...
The United States Senate consists of 100 members, two from each of the 50 states. This list includes all senators serving in the 119th United States Congress. As of July 2026, there are 53 Republican senators, 45 Democratic senators, and two...
The 2028 United States Senate elections will be held on November 7, 2028, with 34 of the 100 seats in the Senate being contested in regular elections, the winners of which will serve 6-year terms in the United States Congress from January 3, 2029,...
This is a complete list of current United States representatives based on seniority. For the most part, representatives are ranked by the beginning of their terms in office. Representatives whose terms begin the same day are ranked alphabetically by...
The president pro tempore of the United States Senate (often shortened to president pro tem) is the second-highest-ranking official of the United States Senate, after the vice president. According to Article One, Section Three of the United States...
This is a complete list of United States senators during the 119th United States Congress listed by seniority from January 3, 2025, to January 3, 2027. It is a historical listing and will contain people who have not served the entire two-year...
This is a complete list of United States senators during the 118th United States Congress listed by seniority from January 3, 2023, to January 3, 2025. It is a historical listing and will contain people who have not served the entire two-year...
Seniority is the state of being older or placed in a higher position of status relative to another individual, group, or organization. For example, one employee may be senior to another either by role or rank (such as a CEO vice a manager), or by...
The Democratic Caucus of the United States Senate, sometimes referred to as the Senate Democratic Caucus, Democratic Conference, or simply Senate Democrats, is the formal organization of all senators who are part of the Democratic Party in the...
This is a complete list of United States senators during the 111th United States Congress listed by seniority from January 3, 2009, to January 3, 2011. It is a historical listing and contains people who had not served the entire two-year Congress,...