This grouped bar chart compares congressional membership by generation in the 2021-22 session, the 2023-24 session and the 2025-26 session. Silent Generation membership has declined to 4.5%, baby boomer membership declined from 56% to 43%, Gen X membership increased from 31% to 39%, and millennial membership increased from 6% to 13%. Gen Z, with just one member of Congress, comes in at 0.2% in the current session.