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Composite score - coming soon

Official portrait of Susan M. Collins

Susan M. Collins

U.S. Senator · Maine

  • Republican
  • Since 1997
  • Tenure: 4+ terms

Refreshed 17 h ago

As of 2026-10-19 · Methodology 2026.10.1

Contact info

  • Capitol office

    413 Dirksen Senate Office Building Washington DC 20510

    202-224-2523

  • District offices

    Augusta · Bangor · Biddeford · Caribou · Lewiston · Portland

View all contact info
  • Official website
  • Biographical Directory of Congress
  • GovTrack
  • Capitol office: 413 Dirksen Senate Office Building Washington DC 20510 · 202-224-2523
  • 68 Sewall St., Room 507, Augusta, ME, 04330 · 207-622-8414
  • 202 Harlow St., Room 20100, Bangor, ME, 04401 · 207-945-0417
  • 160 Main St., Biddeford, ME, 04005 · 207-283-1101
  • 25 Sweden St., Suite A, Caribou, ME, 04736 · 207-493-7873
  • 55 Lisbon St., Lewiston, ME, 04240 · 207-784-6969
  • One Canal Plaza, Suite 802, Portland, ME, 04101 · 207-618-5560

Evidence & sources

  • U.S. Senate roll-call votes

    Votes and participation (senate.gov)

  • Congress.gov bill records

    Sponsored and enacted bills

  • congress-legislators

    Terms, committees, offices

Stale, last successful update 2026-10-23

View all sources

Explore this record

Scorecard

Voting Record

44.9/ 100

Ranked 41 of 52 in the Senate majority

How this score is calculated:

  • Roll calls cast

    915 of 915 while seated (100.0%)

    98th percentile in cohort · 30 % weight

  • Substantive bills sponsored

    22 of 22 sponsored · 33.9 points

    22nd percentile in cohort · 70 % weight

  • Bills enacted

    1 sponsored · 3 cosponsored

    1 passed a chamber · 1 reported · 19 introduced

Promise Adherence

0 of 5 promises scored

Collecting data - coming soon

How this score is calculated:

  • Reviewed promises

    0 scored of 5 needed

    0 promises from 0 sources this term

  • Days in office this term

    2,129 days (180 needed)

  • Promise capture coverage

    0 of 3 source kinds settled

Impact History (coming soon)

0 of 10 matched votes

Collecting data - coming soon

How this score is calculated:

  • Matched votes

    0 of 10 needed

  • District opinion cells

    0 snapshots frozen

    Needs ≥ 25 verified respondents and a lean ≥ 0.15

Approval Rating

0 of 1 public poll on record

Collecting data - coming soon

How this score is calculated:

  • Public polls averaged

    0 of 1 needed

  • Polls on file for this officeholder

    None recorded yet

  • Most recent fieldwork

    No poll on record

Promise ledger

No promises are published for this officeholder yet. A promise appears here only after a reviewer has confirmed its exact quote, date and source; until then the adherence score reads “not enough evidence”.

This score is a guide, not a verdict.