People tend to be members in the Senate later in their careers than they are in the House of Representatives. Here are some summary statistics for the ages of members of the House of Representatives and the Senate one year in the United States. Group Mean age Standard deviation Senate = 62 =62mu, equals, 62 years = 10 =10sigma, equals, 10 years House of Representatives = 58 =58mu, equals, 58 years = 11 =11sigma, equals, 11 years The Senate minority leader that year was 66 6666 years old, while the House of Representatives minority leader was 76 7676 years old. Relative to their group, which leader was older