Average Age of US Politicians: for 100 years the average age in the Senate & the House was fairly stable. But over the last 40 years the average age has sky rocketed.
from /r/dataisbeautiful
美国政客的平均年龄：100年来，参议院与众议院的平均年龄相当稳定。但在过去的40年里，平均年龄急剧上升。
美国政客的平均年龄：100年来，参议院与众议院的平均年龄相当稳定。但在过去的40年里，平均年龄急剧上升。
Average Age of US Politicians: for 100 years the average age in the Senate & the House was fairly stable. But over the last 40 years the average age has sky rocketed.
from /r/dataisbeautiful