These are lists of the youngest and oldest senators currently serving in the United States Senate.
35 years old
42 years old
45 years old
46 years old
49 years old
49 years old
49 years old
49 years old
50 years old
89 years old
88 years old
88 years old
87 years old
82 years old
80 years old
80 years old
79 years old
78 years old