
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.
Stop Ballroom Bribery Act
Sponsor Elizabeth Warren (D). Original cosponsor. 6 cosponsors. S. 3191 on Congress.gov
Introduced
No Torts for Trump Act
Sponsor Adam Schiff (D). Original cosponsor. 11 cosponsors. S. 3182 on Congress.gov(opens in a new tab)
Introduced
HART Act
Sponsor Amy Klobuchar (D). Joined Nov 18, 2025. 8 cosponsors. S. 1796 on Congress.gov(opens in a new tab)
Introduced
Medicare for All Act
Sponsor Bernie Sanders (I). Joined Nov 18, 2025. 18 cosponsors. S. 1506 on Congress.gov(opens in a new tab)
Introduced
Medicare for All Act
This bill establishes a national health insurance program that is administered by the Department of Health and Human Services (HHS).
Among other requirements, the program must (1) cover all U.S. residents; (2) provide for automatic enrollment of individuals upon birth or residency in the United States; and (3) cover items and services that are medically necessary or appropriate to maintain health or to diagnose, treat, or rehabilitate a health condition, including hospital services, prescription drugs, mental health and substance abuse treatment, dental and vision services, home- and community-based long-term care, gender affirming care, and reproductive care, including contraception and abortions.
The bill prohibits cost-sharing (e.g., deductibles, coinsurance, and copayments) and other charges for covered services, with the exception of prescription drugs. Additionally, private health insurers and employers may only offer coverage that is supplemental to, and not duplicative of, benefits provided under the program.
Health insurance exchanges and specified federal health programs terminate upon program implementation. However, the program does not affect coverage provided through the Department of Veterans Affairs, TRICARE, or the Indian Health Service. Additionally, state Medicaid programs must cover certain institutional long-term care services.
The bill also establishes a series of implementing provisions relating to (1) health care provider participation; (2) HHS administration; and (3) payments and costs, including the requirement that HHS negotiate prices for prescription drugs and establish a formulary.
Individuals who are age 18 or younger may enroll in the program starting one year after enactment of this bill; other individuals may buy into a transitional plan or an expanded Medicare program at this time, depending on age. The bill's program must be fully implemented four years after enactment.
Accelerating Kids’ Access to Care Act
Sponsor Chuck Grassley (R). Joined Nov 10, 2025. 45 cosponsors. S. 752 on Congress.gov(opens in a new tab)
Introduced
Accelerating Kids’ Access to Care Act
This bill requires states to establish a process through which qualifying out-of-state providers may temporarily treat children under Medicaid and the Children's Health Insurance Program (CHIP) without undergoing additional screening requirements.
Specifically, states must establish a process through which qualifying out-of-state providers may enroll for five years as participating providers to treat individuals under the age of 21 without undergoing additional screening requirements.
A qualifying out-of-state provider (1) must not have been excluded or terminated from participating in a federal health care program or state Medicaid program; and (2) must have been successfully enrolled in Medicare or a state Medicaid program based on a determination that the provider posed a limited risk of fraud, waste, or abuse.
The bill’s changes take effect three years after enactment.
Federal Worker Mortgage Forbearance Act
Sponsor Angela Alsobrooks (D). Original cosponsor. 3 cosponsors. S. 3156 on Congress.gov(opens in a new tab)
Introduced
A resolution expressing the sense of the Senate regarding the European Union's actions to diversify from Russian energy sources.
Sponsor Jeanne Shaheen (D). Original cosponsor. 11 cosponsors. S.Res. 488 on Congress.gov(opens in a new tab)
Introduced
Keep Head Start Funded Act of 2025
Sponsor Tammy Baldwin (D). Original cosponsor. 33 cosponsors. S. 3147 on Congress.gov(opens in a new tab)
Introduced
Keep Head Start Funded Act of 2025
This bill provides FY2026 continuing appropriations to carry out Head Start programs without interruption during any period in which interim or full-year appropriations for FY2026 are not in effect (i.e., a government shutdown).
The Head Start programs provide comprehensive early childhood education and development services to low-income children. The programs seek to promote school readiness through the provision of educational, health, nutritional, social, and other services.
This bill provides FY2026 appropriations to continue projects and activities under the programs that were funded in FY2025. The appropriations are available until the earliest of
• the enactment into law of legislation that provides appropriations (including continuing appropriations) for Head Start,
• the enactment into law of legislation that provides regular or continuing appropriations for the Department of Health and Human Services without an appropriation for Head Start, or
• September 30, 2026.
This bill must take effect as if it had been enacted on September 30, 2025.
Restoring Access for Detainees Act
Sponsor Christopher Murphy (D). Original cosponsor. 22 cosponsors. S. 3146 on Congress.gov(opens in a new tab)
Introduced
SAFE Act
Sponsor Mark Warner (D). Original cosponsor. 10 cosponsors. S. 3141 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 Nov 5, 2025. 18 cosponsors. S.J.Res. 90 on Congress.gov(opens in a new tab)
Introduced
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 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 Nuclear Testing Act of 2025
Sponsor Edward Markey (D). Joined Nov 5, 2025. 8 cosponsors. S. 3090 on Congress.gov(opens in a new tab)
Introduced
A resolution expressing the sense of the Senate that the United States Department of Agriculture should use its contingency funds and interchange authority to finance the supplemental nutrition assistance program.
Sponsor Jeff Merkley (D). Original cosponsor. 45 cosponsors. S.Res. 481 on Congress.gov(opens in a new tab)
Introduced
This resolution expresses the sense of the Senate that the Trump Administration is legally obligated to fund the Supplemental Nutrition Assistance Program (SNAP) through the use of the contingency fund, the Administration has the legal authority and the funds to finance SNAP through November 2025, exercising this power is extremely important for the health and wellness of families experiencing hunger, and the Administration should immediately exercise this authority.
Credit Union Board Modernization Act
Sponsor Bill Hagerty (R). Joined Oct 30, 2025. 63 cosponsors. S. 522 on Congress.gov(opens in a new tab)
Introduced
Credit Union Board Modernization Act
This bill revises the required frequency of meetings held by a credit union's board of directors. Specifically, new credit unions and credit unions with a low soundness rating must meet monthly. All other credit unions must hold at least six meetings annually, with at least one meeting held during each fiscal quarter. Currently, all credit union boards must meet at least once a month.
Social Security Emergency Inflation Relief Act
Sponsor Elizabeth Warren (D). Original cosponsor. 11 cosponsors. S. 3078 on Congress.gov(opens in a new tab)
Introduced
A resolution commemorating the seventh anniversary of the murder of Jamal Khashoggi and calling for accountability.
Sponsor Timothy Kaine (D). Original cosponsor. 20 cosponsors. S.Res. 473 on Congress.gov(opens in a new tab)
Introduced
Keep SNAP and WIC Funded Act of 2025
Sponsor Ben Luján (D). Original cosponsor. 47 cosponsors. S. 3071 on Congress.gov(opens in a new tab)
Introduced
Keep SNAP and WIC Funded Act of 2025
This bill provides FY2026 appropriations for the Department of Agriculture (USDA) to continue operating the Supplemental Nutrition Assistance Program (SNAP); the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC); and a related block grant program if there is a lapse in FY2026 appropriations for USDA.
Specifically, the bill provides appropriations to USDA for any period in which legislation to provide FY2026 interim continuing appropriations or full-year appropriations for USDA has not been enacted. If such a lapse in appropriations occurs, the bill provides the appropriations that are necessary to continue
• providing uninterrupted SNAP benefits,
• providing consolidated block grants to Puerto Rico and American Samoa for nutrition assistance programs, and
• carrying out WIC without interruption.
In addition, the bill provides appropriations to pay any benefits under these programs that were missed on or after September 30, 2025, and before this bill is enacted.
The appropriations for these purposes are available until the earlier of (1) the enactment into law of legislation to provide FY2026 appropriations for USDA (including continuing appropriations), or (2) September 30, 2026.
The bill also requires USDA to use the funds provided by this bill to reimburse state agencies for costs that were incurred to carry out these programs during a lapse in appropriations, to the extent that the programs were carried out in accordance with federal law (including regulations) during the lapse.
Shutdown Student Loans for Feds Act
Sponsor Angela Alsobrooks (D). Original cosponsor. 15 cosponsors. S. 3070 on Congress.gov(opens in a new tab)
Introduced
Better CARE for Animals Act of 2025
Sponsor Richard Blumenthal (D). Joined Oct 27, 2025. 39 cosponsors. S. 1538 on Congress.gov(opens in a new tab)
Introduced
Military and Federal Employee Protection Act
Sponsor Gary Peters (D). Original cosponsor. 40 cosponsors. S. 3043 on Congress.gov(opens in a new tab)
Introduced
Kids Online Safety Act
Sponsor Marsha Blackburn (R). Joined Oct 23, 2025. 76 cosponsors. S. 1748 on Congress.gov(opens in a new tab)
Passed committee
Kids Online Safety Act
This bill requires covered online platforms, including social media platforms, to implement tools and safeguards to protect users and visitors under the age of 17. Covered platforms are online platforms, video games, messaging applications, or video streaming services used or likely to be used by individuals under the age of 17, with specified exceptions.
The bill generally requires covered platforms to exercise reasonable care in the design and use of features that increase minors’ online activity in order to prevent and mitigate harm to minors (e.g., mental health disorders and severe harassment).
Covered platforms are also required to provide certain safeguards to minors, such as protections for minors’ data; tools for parents of minors, such as access to minors’ privacy settings; and a mechanism for account holders and visitors to report harm to minors on the platform.
Covered platforms are prohibited from conducting market or product research on children under the age of 13, and may only conduct such research on those under the age of 17 with parental consent.
The bill provides for enforcement through the Federal Trade Commission and states.
The bill also requires online platforms to meet certain requirements before using algorithms that select, order, or prioritize information presented to users based on user-specific data not provided for that purpose. Specifically, such platforms must (1) provide users with notice of the use of such algorithms, and (2) permit users to switch to an algorithm that does not rely on such user-specific data.
A resolution expressing support for the designation of the week of October 24, 2025, to October 31, 2025, as "Bat Week".
Sponsor Peter Welch (D). Joined Oct 21, 2025. 2 cosponsors. S.Res. 454 on Congress.gov(opens in a new tab)
Passed the Senate
This resolution expresses support for the designation of the week of October 24-October 31, 2025, as Bat Week and acknowledges the important role bats play as pollinators and pest control for agriculture.
Safe Step Act
Sponsor Lisa Murkowski (R). Joined Oct 21, 2025. 52 cosponsors. S. 2903 on Congress.gov(opens in a new tab)
Introduced
West Bank Violence Prevention Act of 2025
Sponsor Cory Booker (D). Joined Oct 21, 2025. 44 cosponsors. S. 2667 on Congress.gov(opens in a new tab)
Introduced
America the Beautiful Act
Sponsor Steve Daines (R). Joined Oct 21, 2025. 70 cosponsors. S. 1547 on Congress.gov(opens in a new tab)
Passed committee