D United States Senate · Massachusetts On the 2026 ballot

Sen. Edward J. Markey

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Compare

Session

Total votes

1,037

all sessions

Attendance

99%

7 missed

Higher than 78% of chamber peers

With party

92%

of cast votes

Lower than 90% of chamber peers

Bipartisan score

5%

crosses aisle rarely

Higher than 86% of chamber peers

Legislative network

Legislators build coalitions through co-sponsorship. These are the 10 lawmakers Sen. Markey co-sponsors with most often: a window into their policy partnerships, their coalition within the caucus, and the rare cases where they reach across the aisle.

Top partners 10

Within party 9

Across aisle 1

Strongest tie Richard Blumenthal

Closest allies

Ranked by bills co-sponsored together across all sessions.

Across the aisle

Among Sen. Markey's top collaborators, 1 is a member of a different party.

I Bernard Sanders 966

Explore the full network

See Sen. Markey's co-sponsorship relationships as an interactive graph. Filter by topic, session, or party to trace coalitions and identify the brokers between them.

View network graph