Automated measurement. Composite prose is generated from claims selected and counted by code.

“senior member of”

Adoption curve: how many independent members of each party used this exact phrase, by day. Where at least three distinct offices can be grounded, peak-day source receipts appear below.

Democrats Republicans

First observed in our corpus: 2025-01-03; Lane 1; corpus begins 2025-01-01; precision: day; tied observations: member name unavailable, member name unavailable, member name unavailable, member name unavailable, member name unavailable, member name unavailable
Peak: 9 members in one day · 2026-05-20
Distinctiveness: The full-history weight is withheld until the Archive release; it is not part of these public-window statistics.
Data points: 374 active days

Peak-day evidence

On 2026-05-20, this exact phrase is grounded in 11 distinct source units (an office or joint-release family). The Peak figure above is the largest count for either party; this evidence total counts grounded units across both parties on that same day. Showing 5 of 11 source receipts. (D: 9; R: 2)

Brian Schatz (D-HI) · 2026-05-20 · source · archived

Grace Meng (D-NY) · 2026-05-20 · source · archived

Maria Cantwell (D-WA) · 2026-05-20 · source · archived

Michael K. Simpson (R-ID) · 2026-05-20 · source · archived

Mike Crapo (R-ID) · 2026-05-20 · source · archived

Public Stage-1 phrase statistics begin 2025-01-03. Coverage for the same window is shown on the Methodology page. (The full-history “Alexandria” backfill to 2001 is staged for a later phase.)

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