This is the current state composition of the U.S. Senate Special Committee on Aging. From the Committee's website:
While special committees have no legislative authority, they can study issues, conduct oversight of programs, and investigate reports of fraud and waste.The average age of all the members of the committee: 57
Throughout its existence, the Special Committee on Aging has served as a focal point in the Senate for discussion and debate on matters relating to older Americans. Often, the Committee will submit its findings and recommendations for legislation to the Senate. In addition, the Committee publishes materials of assistance to those interested in public policies which relate to the elderly.
The oldest member: Orrin Hatch (R-UT), 79
The youngest member: Ted Cruz (R-TX), 42