List of members of the United States Congress by longevity of service House and Senate time House and Senate time

| Total_tenure_rank | Uninterrupted_rank | Name_ | Party_affiliation | Total_tenure_time | Uninterrupted_time |
|---|---|---|---|---|---|
| 1 | 1 | John Dingell (H) | Democratic Party | 58years, 50days | 58years, 50days |
| 2 | 2 | Robert Byrd (H,S) | Democratic Party | 57 years, 176 days | 57 years, 176 days |
| 3 | 3 | Carl Hayden (H,S) | Democratic Party | 56 years, 319 days | 56 years, 319 days |
| 4 | 4 | Daniel Inouye (H,S) | Democratic Party | 53 years, 118 days | 53 years, 118 days |
| 5 | 5 | Jamie L. Whitten (H) | Democratic Party | 53 years, 60 days | 53 years, 60 days |
| 6 | 6 | Carl Vinson (H) | Democratic Party | 50 years, 61 days | 50 years, 61 days |