
U.S. Senator for Massachusetts
Democrat
Senate term end not loaded yet
Missed 0.8% of roll calls. Chamber median 2.1%.
The full voting recordCounts roll calls where most Democrats and most Republicans voted differently, leaving out procedural votes.
How we countFrom FEC filings, Voteview roll calls and Congress.gov.
Democrat. In Congress since 1975, 23 terms in total.
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Bills and resolutions Markey signed on to as a cosponsor. An original cosponsor signed on the day the bill was introduced. Source: govinfo bill status files, last updated Nov 6, 2026.
Markey also withdrew as a cosponsor from 1 bill, not listed here.
A resolution recognizing the strong link between climate change and skyrocketing insurance premiums.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 10 cosponsors. S.Res. 554 on Congress.gov
Introduced
A resolution recognizing that climate change is real.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 553 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that oceans are warming due to human-caused climate change.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 552 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that sea levels are rising at accelerated rates due to human-caused climate change.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 551 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that climate change is not a hoax, but sound science.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 10 cosponsors. S.Res. 550 on Congress.gov(opens in a new tab)
Introduced
Schedules That Work Act
Sponsor Elizabeth Warren (D). Original cosponsor. 20 cosponsors. S. 3550 on Congress.gov(opens in a new tab)
Introduced
Part-Time Worker Bill of Rights Act
Sponsor Elizabeth Warren (D). Original cosponsor. 7 cosponsors. S. 3547 on Congress.gov(opens in a new tab)
Introduced
Public Health Air Quality Act of 2025
Sponsor Lisa Blunt Rochester (D). Original cosponsor. 6 cosponsors. S. 3529 on Congress.gov(opens in a new tab)
Introduced
ARMAS Act of 2025
Sponsor Christopher Murphy (D). Original cosponsor. 5 cosponsors. S. 3508 on Congress.gov(opens in a new tab)
Introduced
Born in the USA Act
Sponsor Jacky Rosen (D). Joined Dec 15, 2025. 19 cosponsors. S. 646 on Congress.gov(opens in a new tab)
Introduced
Seniors Deserve SMARTER Care Act of 2025
Sponsor Patty Murray (D). Original cosponsor. 19 cosponsors. S. 3480 on Congress.gov(opens in a new tab)
Introduced
Accountability for Federal Law Enforcement Act
Sponsor Alex Padilla (D). Original cosponsor. 12 cosponsors. S. 3470 on Congress.gov(opens in a new tab)
Introduced
A resolution commemorating the 50th anniversary of Southeast Asian refugee resettlement and the many contributions and sacrifices of Southeast Asian Americans to the United States.
Sponsor Mazie Hirono (D). Original cosponsor. 11 cosponsors. S.Res. 542 on Congress.gov(opens in a new tab)
Introduced
Background Check Completion Act of 2025
Sponsor Richard Blumenthal (D). Original cosponsor. 25 cosponsors. S. 3458 on Congress.gov(opens in a new tab)
Introduced
Background Check Completion Act of 2025
This bill prohibits a licensed gun dealer from transferring a firearm to an unlicensed person prior to the completion of a background check. Current law permits a licensed gun dealer to transfer a firearm to an unlicensed person if a submitted background check remains incomplete after three business days.
Moving Transit Forward Act of 2025
Sponsor Chris Van Hollen (D). Original cosponsor. 12 cosponsors. S. 3455 on Congress.gov(opens in a new tab)
Introduced
Keeping All Students Safe Act
Sponsor Christopher Murphy (D). Original cosponsor. 17 cosponsors. S. 3448 on Congress.gov(opens in a new tab)
Introduced
Keeping All Students Safe Act
This bill prohibits the use of seclusion and limits the use of physical restraint in schools and Head Start programs that receive federal funding.
Specifically, the bill prohibits the use of seclusion, which is the involuntary confinement of a student alone in a room or area from which the student is physically prevented from leaving. The term does not include a time out, which may involve separating the student from others in a non-locked setting.
The bill prohibits the use of mechanical or chemical restraints or physical restraints that restrict breathing or are life threatening.
The bill outlines the requirements for the use of physical restraint, including that the student's behavior must pose an imminent danger of serious physical injury to the student or other individual. Each state must ensure that a sufficient number of program personnel are trained and certified by a state-approved crisis intervention training program. Additionally, each program must establish procedures to follow after an incident involving physical restraint.
Further, the bill establishes enforcement provisions, including a private right of action for a student who has been subjected to unlawful seclusion or restraint. The Department of Education and the Department of Health and Human Services must withhold payments from a program for unlawful seclusion or restraint.
Finally, the bill requires each state educational agency (SEA) to establish, implement, and enforce policies and procedures required by the bill. It also creates a grant program to assist SEAs with these activities.
Nuclear Plant Decommissioning Act of 2025
Sponsor Peter Welch (D). Original cosponsor. 3 cosponsors. S. 3441 on Congress.gov(opens in a new tab)
Introduced
Domestic Workers Bill of Rights Act
Sponsor Kirsten Gillibrand (D). Original cosponsor. 17 cosponsors. S. 3396 on Congress.gov(opens in a new tab)
Introduced
Prohibiting Unauthorized Military Action in Venezuela Act of 2025
Sponsor Jeff Merkley (D). Joined Dec 9, 2025. 9 cosponsors. S. 3344 on Congress.gov(opens in a new tab)
Introduced
CONNECT for Health Act of 2025
Sponsor Brian Schatz (D). Joined Dec 9, 2025. 73 cosponsors. S. 1261 on Congress.gov(opens in a new tab)
Introduced
Creating Opportunities Now for Necessary and Effective Care Technologies (CONNECT) for Health Act of 2025 or the CONNECT for Health Act of 2025
This bill expands coverage of telehealth services under Medicare.
Among other provisions, the bill
• permanently removes geographic restrictions on originating sites (i.e., the location of the beneficiary) and allows the home of the beneficiary to serve as the originating site for all services;
• permanently allows federally qualified health centers and rural health clinics to serve as the distant site (i.e., the location of the health care practitioner); and
• allows the Centers for Medicare & Medicaid Services (CMS) to generally waive coverage restrictions during any public health emergency.
Additionally, the CMS must post certain information about the effects of Medicare telehealth services on its website, including information about utilization, costs, and the outcome of services. The CMS must also (1) provide resources to health care professionals about the requirements for furnishing telehealth services under Medicare, including with respect to payment, patient privacy, and support for underserved populations; and (2) ensure certain quality measures are applied to telehealth services.
A resolution condemning white supremacy, hate, and antisemitism, and efforts to give a platform to these dangerous ideologies.
Sponsor Charles Schumer (D). Original cosponsor. 46 cosponsors. S.Res. 533 on Congress.gov(opens in a new tab)
Introduced
A resolution celebrating the 50th anniversary of the Individuals with Disabilities Education Act on November 29, 2025, and recognizing its transformative impact on the education of children with disabilities.
Sponsor Chris Van Hollen (D). Original cosponsor. 31 cosponsors. S.Res. 531 on Congress.gov(opens in a new tab)
Passed the Senate
Social Security Survivor Benefits Equity Act
Sponsor Peter Welch (D). Original cosponsor. 6 cosponsors. S. 3357 on Congress.gov(opens in a new tab)
Introduced
Flight Delay and Cancellation Compensation Act
Sponsor Mark Kelly (D). Original cosponsor. 16 cosponsors. S. 3347 on Congress.gov(opens in a new tab)
Introduced
Temporary Immigration Judge Integrity Act
Sponsor Adam Schiff (D). Original cosponsor. 17 cosponsors. S. 3326 on Congress.gov(opens in a new tab)
Introduced