
U.S. Senator for Maryland
Democrat
Senate term end not loaded yet
Missed 1.5% 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 2003, 9 terms in total.
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Bills and resolutions Van Hollen 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.
Van Hollen also withdrew as a cosponsor from 2 bills, not listed here.
A resolution recognizing the 74th anniversary of the signing of the Mutual Defense Treaty between the United States and the Philippines and the strong bilateral security alliance between our two nations in the wake of escalating aggression and political lawfare by the People's Republic of China in the South China Sea.
Sponsor Pete Ricketts (R). Original cosponsor. 15 cosponsors.
Passed committee
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Secretary of the Department of Health and Human Services relating to "Policy on Adhering to the Text of the Administrative Procedure Act".
Sponsor Angus King (I). Original cosponsor. 37 cosponsors. S.J.Res. 82 on Congress.gov(opens in a new tab)
Introduced
A joint resolution terminating the national emergency declared with respect to energy.
Sponsor Timothy Kaine (D). Joined Sep 18, 2025. 8 cosponsors. S.J.Res. 71 on Congress.gov(opens in a new tab)
Introduced
This joint resolution terminates the national emergency relating to energy declared by the President on January 20, 2025, in Executive Order 14156.
The executive order states that the supply of and infrastructure for energy in the United States is insufficient to meet the country's needs. It defines energy as crude oil, natural gas, lease condensates, natural gas liquids, refined petroleum products, uranium, coal, biofuels, geothermal heat, the kinetic movement of flowing water, and critical minerals.
The executive order directs the heads of executive departments and agencies to use available emergency and other authorities to take certain actions to address this topic, including approving development of domestic energy resources, expediting the completion of authorized energy infrastructure (particularly in the Northeast, West Coast, and Alaska), and pursuing the use of emergency permitting provisions under certain environmental regulations.
The executive order also directs the Department of Defense to conduct an assessment of its ability to acquire and transport energy resources (particularly in the Northeast and West Coast), and invokes emergency military construction authority to address any vulnerabilities identified in the assessment.
A joint resolution establishing the ratification of the Equal Rights Amendment.
Sponsor Lisa Murkowski (R). Joined Sep 18, 2025. 3 cosponsors. S.J.Res. 38 on Congress.gov(opens in a new tab)
Introduced
This joint resolution provides that the Equal Rights Amendment, which prohibits discrimination on the basis of sex, was ratified by three-fourths of the states and is therefore a valid constitutional amendment, regardless of any time limit that was in the original proposal.
The Equal Rights Amendment was originally proposed to the states in 1972. The original proposal included a deadline for ratification of March 22, 1979; Congress subsequently extended the deadline to June 30, 1982. Although the requisite 38 states have ratified the amendment, three of these states did so after the deadlines, and five states subsequently rescinded their ratifications. The status of the amendment has been the subject of litigation.
Protecting Students with Disabilities Act
Sponsor Angela Alsobrooks (D). Original cosponsor. 15 cosponsors. S. 2913 on Congress.gov(opens in a new tab)
Introduced
Deceptive Practices and Voter Intimidation Prevention Act of 2025
Sponsor Angela Alsobrooks (D). Original cosponsor. 8 cosponsors. S. 2912 on Congress.gov(opens in a new tab)
Introduced
Deceptive Practices and Voter Intimidation Prevention Act of 2025
This bill generally prohibits deceptive communications and voter interference regarding federal elections.
Specifically, the bill prohibits any person, within 60 days before a federal election, from communicating, causing to be communicated, or producing for communication certain information on voting, if the person (1) knows such information to be materially false, and (2) has the intent to impede or prevent another person from voting in an election.
Additionally, the bill prohibits any person, within 60 days before a federal election, from using an artificial intelligence system to produce certain information on voting, if the person has the intent to use the system to (1) produce false information, and (2) impede or prevent another person from voting in an election.
The bill also prohibits hindering, interfering with, or preventing voting or registering to vote.
A private right of action for preventive relief is established for persons aggrieved by violations of these prohibitions.
Criminal penalties are also established for violations.
If the Department of Justice (DOJ) receives a credible report that materially false information has been or is being communicated in violation of the prohibitions on deceptive communications, and state and local election officials have not adequately communicated corrected information, then DOJ must communicate to the public accurate information designed to correct the materially false information.
The bill extends the prohibition on certain types of intimidation in federal elections to also prohibit intimidation for processing ballots or tabulating, canvassing, or certifying votes.
Tyler Clementi Higher Education Anti-Harassment Act of 2025
Sponsor Patty Murray (D). Original cosponsor. 23 cosponsors. S. 2876 on Congress.gov(opens in a new tab)
Introduced
CCAMPIS Reauthorization Act
Sponsor Tammy Duckworth (D). Original cosponsor. 17 cosponsors. S. 2862 on Congress.gov(opens in a new tab)
Introduced
Child Care Access Means Parents In Schools Reauthorization Act or the CCAMPIS Reauthorization Act
This bill reauthorizes through FY2031 and revises the Child Care Access Means Parents in School Program. The program awards grants to support the participation of eligible low-income parents in postsecondary education through the provision of campus-based child care services.
Among other revisions to the program, the bill increases the minimum and maximum grant amounts, allows grant funds to be used for additional purposes (e.g., child care subsidies and support services), and specifies additional grant application requirements.
DoD COW Act of 2025
Sponsor Angela Alsobrooks (D). Original cosponsor. 3 cosponsors. S. 2848 on Congress.gov(opens in a new tab)
Introduced
HIV Medication Access Act
Sponsor Jacky Rosen (D). Original cosponsor. 10 cosponsors. S. 2846 on Congress.gov(opens in a new tab)
Introduced
Billionaires Income Tax Act
Sponsor Ron Wyden (D). Original cosponsor. 23 cosponsors. S. 2845 on Congress.gov(opens in a new tab)
Introduced
Protect America’s Workforce Act
Sponsor Mark Warner (D). Original cosponsor. 48 cosponsors. S. 2837 on Congress.gov(opens in a new tab)
Introduced
Protect America's Workforce Act
This bill nullifies two executive orders: Exclusions from Federal Labor-Management Relations Programs (issued on March 27, 2025) and Further Exclusions From the Federal Labor- Management Relations Program (issued on August 28, 2025). The executive orders exclude specified executive branch agencies and subdivisions from the Federal Service Labor-Management Relations Statute and the Foreign Service Labor-Management Relations Statute. The statutes authorize federal employees' participation in collective bargaining and enforce collective bargaining rights.
The bill also specifies that a collective bargaining agreement that is in place as of March 26, 2025, and is between an executive branch agency and any labor organization that is an exclusive representative of federal employees, shall have full force and effect through the stated term of the agreement.
Fair Housing Improvement Act of 2025
Sponsor Timothy Kaine (D). Original cosponsor. 16 cosponsors. S. 2827 on Congress.gov(opens in a new tab)
Introduced
A resolution designating September 2025 as "National Literacy Month".
Sponsor John Reed (D). Original cosponsor. 19 cosponsors. S.Res. 394 on Congress.gov(opens in a new tab)
Passed the Senate
A resolution designating September 2025 as "National Voting Rights Month".
Sponsor Ron Wyden (D). Original cosponsor. 27 cosponsors. S.Res. 390 on Congress.gov(opens in a new tab)
Introduced
This resolution
• designates September 2025 as National Voting Rights Month,
• encourages people to uphold the right to vote,
• encourages Congress to pass certain voting rights legislation,
• recommends the development of a curriculum in public schools and universities regarding voting,
• expresses appreciation for the U.S. Postal Service having issued a special Representative John R. Lewis stamp, and
• invites Congress to allocate funds for public service announcements regarding elections.
A resolution condemning the extreme anti-vaccine policies of Secretary of Health and Human Services Robert F. Kennedy, Jr., strongly opposing the policies of the State of Florida that roll back immunization requirements, and expressing the sense of the Senate that vaccines are critical to protecting public health, eliminating preventable illness and death, and reducing hospitalizations and severity of illness, work best when adopted at a high level within each community, and must be made available to the public.
Sponsor Jacky Rosen (D). Original cosponsor. 6 cosponsors. S.Res. 389 on Congress.gov(opens in a new tab)
Introduced
A joint resolution terminating the national emergency declared to impose duties on articles imported from Canada.
Sponsor Timothy Kaine (D). Original cosponsor. 16 cosponsors. S.J.Res. 77 on Congress.gov(opens in a new tab)
Passed the Senate
This joint resolution terminates the national emergency declared by President Donald J. Trump on February 1, 2025, which imposed an additional 25% tariff on most imports from Canada (except for Canadian energy or energy resources, which have an additional 10% tariff).
FAMILY Act
Sponsor Kirsten Gillibrand (D). Original cosponsor. 38 cosponsors. S. 2823 on Congress.gov(opens in a new tab)
Introduced
Head Start for America's Children Act
Sponsor Bernie Sanders (I). Original cosponsor. 16 cosponsors. S. 2819 on Congress.gov(opens in a new tab)
Introduced
Tax Excessive CEO Pay Act of 2025
Sponsor Bernie Sanders (I). Original cosponsor. 5 cosponsors. S. 2818 on Congress.gov(opens in a new tab)
Introduced
Fed Integrity and Independence Act of 2025
Sponsor Ruben Gallego (D). Original cosponsor. 8 cosponsors. S. 2817 on Congress.gov(opens in a new tab)
Introduced
SUN Act
Sponsor Alex Padilla (D). Original cosponsor. 6 cosponsors. S. 2803 on Congress.gov(opens in a new tab)
Introduced
Forced Arbitration Injustice Repeal Act
Sponsor Richard Blumenthal (D). Original cosponsor. 34 cosponsors. S. 2799 on Congress.gov(opens in a new tab)
Introduced
Forced Arbitration Injustice Repeal Act
This bill prohibits a predispute arbitration agreement from being valid or enforceable if it requires arbitration of an employment, consumer, antitrust, or civil rights dispute.
Congressional Tribute to Constance Baker Motley Act of 2025
Sponsor Richard Blumenthal (D). Original cosponsor. 29 cosponsors. S. 2784 on Congress.gov(opens in a new tab)
Introduced
Tax Cut for Striking Workers Act of 2025
Sponsor Ruben Gallego (D). Original cosponsor. 10 cosponsors. S. 2779 on Congress.gov(opens in a new tab)
Introduced