But the number of Gen Xers has ticked up over the last few Congresses, from 16 in the 115th to 20 in the current session. The median age of senators has risen over the last several Congresses. The median age in the current session is 64.8 years old, a slight increase from the 116th (63.6) and 115th Congresses (62.4). More @Wikipedia
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