
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 honoring the victims of the 2025 Potomac River mid-air collision.
Sponsor Roger Marshall (R). Original cosponsor. 24 cosponsors. S.Res. 593 on Congress.gov
Passed the Senate
This resolution honors the memory of the victims of the Potomac River mid-air collision near Ronald Reagan Washington National Airport on January 29, 2025, and offers condolences to the families, loved ones, and friends of those who lost their lives in the incident.
It also (1) acknowledges the bravery and professionalism of the first responders and emergency personnel, servicemembers, medical professionals, and investigators who assisted in the rescue and recovery efforts; and (2) expresses a commitment to translating the safety lessons learned from the collision into action.
A resolution condemning the Government of Iran's state-sponsored persecution of the Baha'i minority and its continued violation of the International Covenants on Human Rights.
Sponsor Ron Wyden (D). Joined Jan 28, 2026. 30 cosponsors. S.Res. 525 on Congress.gov(opens in a new tab)
Introduced
This resolution condemns Iran's state-sponsored persecution of the Baha'i religious minority and Iran's continued violation of international human rights treaties. The resolution calls on Iran to (1) immediately release Baha'is and others imprisoned or detained solely on account of religion, (2) end its state-sponsored campaign of hate propaganda against the Baha'is, and (3) reverse certain policies that discriminate against Baha'is and other religious minorities. The resolution also urges the President and the Department of State to impose sanctions on Iranian officials and others who are responsible for serious human rights abuses, including abuses against Iran's Baha'i community.
Dignity for Detained Immigrants Act
Sponsor Cory Booker (D). Original cosponsor. 11 cosponsors. S. 3702 on Congress.gov(opens in a new tab)
Introduced
FAA SMS Compliance Review Act of 2026
Sponsor Maria Cantwell (D). Original cosponsor. 7 cosponsors. S. 3700 on Congress.gov(opens in a new tab)
Passed committee
A resolution honoring the life, achievements, and legacy of Ben Nighthorse Campbell.
Sponsor Michael Bennet (D). Original cosponsor. 99 cosponsors. S.Res. 585 on Congress.gov(opens in a new tab)
Passed the Senate
Sarah Debbink Langenkamp Active Transportation Safety Act
Sponsor Chris Van Hollen (D). Joined Jan 14, 2026. 11 cosponsors. S. 944 on Congress.gov(opens in a new tab)
Introduced
Sarah Debbink Langenkamp Active Transportation Safety Act
This bill expands the Highway Safety Improvement Program (HSIP) to include additional bicyclist and pedestrian safety measures and increases the federal cost share for certain safety projects.
Specifically, the bill allows HSIP to fund projects (1) for the connection of two or more segments of existing bicyclist or pedestrian infrastructure, or (2) that are based on a state's plan to improve the safety of vulnerable road users (e.g., bicyclists or pedestrians) in areas identified as high-risk. In addition, the bill allows an increased federal cost share of up to 100% for these projects.
The bill also allows an increased federal cost share of up to 100% for transportation projects that meet certain criteria, including (1) the project includes a Federal Highway Administration Proven Safety Countermeasure for bicyclists or pedestrians (e.g., bicycle lanes, walkways, and crosswalk visibility enhancements), or (2) the relevant state strategic highway safety plan includes an emphasis area that is related to vulnerable road users.
REAADI for Disasters Act
Sponsor Richard Blumenthal (D). Original cosponsor. 10 cosponsors. S. 3628 on Congress.gov(opens in a new tab)
Introduced
A concurrent resolution recognizing the 15th anniversary of the January 8, 2011, Tucson, Arizona, shooting and honoring the survivors and victims, including former Congresswoman Gabby Giffords, a gun violence survivor and one of the most influential voices of courage in the United States in the fight to end gun violence.
Sponsor Kirsten Gillibrand (D). Original cosponsor. 41 cosponsors. S.Con.Res. 25 on Congress.gov(opens in a new tab)
Passed the Senate
COLAs Don’t Count Act of 2026
Sponsor Peter Welch (D). Original cosponsor. 7 cosponsors. S. 3603 on Congress.gov(opens in a new tab)
Introduced
COLAs Don't Count Act of 2026
This bill revises requirements for determining eligibility and benefits under the Supplemental Nutrition Assistance Program (SNAP) to exclude income received from certain (1) cost-of-living adjustments under the Social Security Act and to railroad retirement and veterans' benefits, and (2) supplementary payments under the Social Security Act.
A resolution observing the fifth anniversary of the attack on the United States Capitol on January 6, 2021, and recognizing the essential work of United States Capitol personnel, including the United States Capitol Police.
Sponsor Alex Padilla (D). Original cosponsor. 35 cosponsors. S.Res. 574 on Congress.gov(opens in a new tab)
Introduced
A joint resolution to direct the removal of United States Armed Forces from hostilities within or against Venezuela that have not been authorized by Congress.
Sponsor Timothy Kaine (D). Joined Jan 6, 2026. 30 cosponsors. S.J.Res. 98 on Congress.gov(opens in a new tab)
Passed the Senate
This joint resolution directs the President to terminate the use of U.S. Armed Forces for hostilities within or against Venezuela unless a declaration of war or authorization to use military force for such purpose has been enacted. The joint resolution specifies that it shall not be construed to prevent the United States from defending itself from an armed attack or threat of an imminent armed attack.
No Rewards for January 6 Rioters Act
Sponsor Alex Padilla (D). Original cosponsor. 25 cosponsors. S. 3582 on Congress.gov(opens in a new tab)
Introduced
No Settlements for January 6 Law Enforcement Assaulters Act
Sponsor Sheldon Whitehouse (D). Original cosponsor. 24 cosponsors. S. 3581 on Congress.gov(opens in a new tab)
Introduced
VA Employee Fairness Act of 2025
Sponsor Tammy Duckworth (D). Joined Jan 6, 2026. 11 cosponsors. S. 1650 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that facilities that produce renewable electricity are the cheapest power-generating facilities to operate and reliance on fossil fuel-generating facilities to meet growing power demand drives up wholesale electricity prices.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 565 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing the ability of solar, storage, and wind to quickly and cheaply meet United States power demand growth.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 10 cosponsors. S.Res. 564 on Congress.gov(opens in a new tab)
Introduced
A resolution affirming that the Federal Government should support school district investment in clean school buses.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 563 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that ozone pollution can cause lung disease, asthma attacks, cardiovascular problems, and reproductive issues.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 562 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that particulate matter pollution can cause heart attacks, asthma, strokes, and premature death.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 561 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that mercury pollution can cause severe health problems, including permanent brain damage, kidney damage, and birth defects.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 560 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that climate change is making wildfires more frequent, more intense, and more destructive.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 10 cosponsors. S.Res. 559 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that climate change-driven extreme weather events are increasing at the same time that the government is dismantling weather monitoring and alert systems.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 10 cosponsors. S.Res. 558 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that climate change portends a cascade of financial market collapses that would destabilize the national and global economies.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 8 cosponsors. S.Res. 557 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that Florida's insurance market is gravely stressed by climate risks.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 7 cosponsors. S.Res. 556 on Congress.gov(opens in a new tab)
Introduced
A resolution recognizing that climate change poses a threat to the mortgage market and to home values.
Sponsor Sheldon Whitehouse (D). Original cosponsor. 10 cosponsors. S.Res. 555 on Congress.gov(opens in a new tab)
Introduced