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knowthegov.Understand your federal government.Independent project · Official sources

THE GOVERNMENT EXPLORER Sources & coverage

Government on this dateJanuary 2, 2025

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People & offices

Congressional portrait · unitedstates/images

PUBLIC SERVICE

Susan M. Collins

U.S. Senator

Maine

RepublicanIn this role on January 2, 2025

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OFFICES HELD

Service history

Future end dates show when a term is scheduled to end.

January 3, 2021 — January 3, 2027 (scheduled)
U.S. Senator
Maine
Republican View source
January 6, 2015 — January 3, 2021
U.S. Senator
Maine
Republican View source
January 6, 2009 — January 3, 2015
U.S. Senator
Maine
Republican View source
January 7, 2003 — January 3, 2009
U.S. Senator
Maine
Republican View source
January 7, 1997 — January 3, 2003
U.S. Senator
Maine
Republican View source

OFFICIAL SOURCES

Government websites

Congressional biography

Biography and dates of service from Congress’s Biographical Directory.

Legislation & congressional activity

Bills, resolutions, and other congressional work listed at Congress.gov.

Sources for this profile

Congress Legislators · current U.S. Senate · current roster

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Explore service history from 1789. Cabinet members are available for the latest date only. About these records

Checked Sep 8, 2026