
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.
Measuring the Cost of Disasters Act of 2025
Sponsor Peter Welch (D). Original cosponsor. 13 cosponsors. S. 2775 on Congress.gov
Introduced
9/11 Responder and Survivor Health Funding Correction Act of 2025
Sponsor Kirsten Gillibrand (D). Joined Sep 10, 2025. 12 cosponsors. S. 739 on Congress.gov(opens in a new tab)
Introduced
9/11 Responder and Survivor Health Funding Correction Act of 2025
This bill modifies the World Trade Center Health Program (WTCHP), including by updating the formula for determining the program’s annual funding amounts and authorizing mental health providers to provide certain evaluations under the program.
The WTCHP is a federal health care program (terminating in FY2090) providing responders and survivors with monitoring and treatment of certified medical conditions related to the terrorist attacks that occurred on September 11, 2001. Under current law, the program’s annual federal funding is determined based on the amount specifically appropriated in the previous fiscal year, adjusted for inflation.
The bill establishes a new federal funding formula for FY2026-FY2090 that is generally based on annual changes in the number of enrollees. The bill also increases the amounts the program may spend annually on medical research and activities relating to data collection. The bill requires the National Institute for Occupational Safety and Health (NIOSH), which administers the program, to submit a report to Congress on the program’s projected budgetary needs and expenditures.
In addition, the bill authorizes licensed mental health providers to perform initial health evaluations with respect to mental health conditions for purposes of determining eligibility under the WTCHP. NIOSH must issue regulations specifying the categories of mental health providers that may perform these activities.
Keep Billionaires Out of Social Security Act
Sponsor Bernie Sanders (I). Original cosponsor. 30 cosponsors. S. 2763 on Congress.gov(opens in a new tab)
Introduced
Affordable Inhalers and Nebulizers Act of 2025
Sponsor Angela Alsobrooks (D). Original cosponsor. 2 cosponsors. S. 2756 on Congress.gov(opens in a new tab)
Introduced
A resolution expressing the sense of the Senate that Secretary of Health and Human Services Robert Fitzgerald Kennedy Jr. does not have the confidence of the Senate or of the American people to faithfully carry out the duties of his office and should be removed from his position.
Sponsor Angela Alsobrooks (D). Original cosponsor. 28 cosponsors. S.Res. 374 on Congress.gov(opens in a new tab)
Introduced
LIFT Homebuyers Act of 2025
Sponsor Mark Warner (D). Original cosponsor. 3 cosponsors. S. 2719 on Congress.gov(opens in a new tab)
Introduced
Retirement Fairness for Charities and Educational Institutions Act of 2025
Sponsor Katie Britt (R). Joined Sep 3, 2025. 21 cosponsors. S. 424 on Congress.gov(opens in a new tab)
Introduced
Retirement Fairness for Charities and Educational Institutions Act of 2025
This bill allows 403(b) retirement plans (i.e., retirement plans designed for certain employees of public schools, charities, and churches) to invest in collective investment trusts, which are a group of pooled investment assets held by a bank or trust company, and in insurance company separate accounts.
Protecting Sensitive Locations Act
Sponsor Richard Blumenthal (D). Joined Sep 2, 2025. 33 cosponsors. S. 455 on Congress.gov(opens in a new tab)
Introduced
Protecting Sensitive Locations Act
This bill prohibits immigration enforcement actions within 1,000 feet of a sensitive location except in exigent circumstances, such as the imminent risk of death, violence, or physical harm to any person.
Sensitive locations include
• health care facilities;
• schools and school bus stops;
• places that provide assistance for people such as children, pregnant women, and abuse victims;
• child care facilities;
• places that provide disaster or emergency services;
• places of worship;
• courthouses and lawyers’ offices;
• facilities used as polling places;
• certain labor union facilities; and
• public assistance offices.
The prohibition shall apply to Department of Homeland Security officers and agents, as well as state employees pursuing immigration enforcement actions.
If an enforcement action is carried out in violation of this prohibition (1) no information resulting from the action may be entered into the record in a resulting removal proceeding, and (2) the affected individual may move to immediately terminate such a proceeding.
U.S. Immigration and Customs Enforcement and U.S. Customs and Border Protection shall annually report to Congress about enforcement actions taken at sensitive locations in the preceding year.
Child Care for Working Families Act
Sponsor Patty Murray (D). Joined Sep 2, 2025. 43 cosponsors. S. 2295 on Congress.gov(opens in a new tab)
Introduced
Ensuring Lasting Smiles Act
Sponsor Tammy Baldwin (D). Joined Sep 2, 2025. 54 cosponsors. S. 1677 on Congress.gov(opens in a new tab)
Introduced
Captive Primate Safety Act
Sponsor Richard Blumenthal (D). Joined Sep 2, 2025. 11 cosponsors. S. 1594 on Congress.gov(opens in a new tab)
Introduced
Lowering Electric Bills Act
Sponsor Charles Schumer (D). Original cosponsor. 39 cosponsors. S. 2681 on Congress.gov(opens in a new tab)
Introduced
SANCTIONS in the West Bank Act
Sponsor Peter Welch (D). Original cosponsor. 4 cosponsors. S. 2672 on Congress.gov(opens in a new tab)
Introduced
Reproductive Rights Are Human Rights Act of 2025
Sponsor Brian Schatz (D). Original cosponsor. 17 cosponsors. S. 2671 on Congress.gov(opens in a new tab)
Introduced
Energy Efficiency for Affordable Housing Act
Sponsor Amy Klobuchar (D). Original cosponsor. 3 cosponsors. S. 2638 on Congress.gov(opens in a new tab)
Introduced
Saving NOAA’s Workforce Act
Sponsor Mazie Hirono (D). Original cosponsor. 1 cosponsor. S. 2633 on Congress.gov(opens in a new tab)
Introduced
Saving NASA’s Workforce Act
Sponsor Mazie Hirono (D). Original cosponsor. 1 cosponsor. S. 2632 on Congress.gov(opens in a new tab)
Introduced
Saving NIST’s Workforce Act
Sponsor Mazie Hirono (D). Original cosponsor. 1 cosponsor. S. 2631 on Congress.gov(opens in a new tab)
Introduced
Saving NSF’s Workforce Act
Sponsor Mazie Hirono (D). Original cosponsor. 1 cosponsor. S. 2630 on Congress.gov(opens in a new tab)
Introduced
Safeguarding the Integrity of the Human Rights Reports Act of 2025
Sponsor Jeanne Shaheen (D). Original cosponsor. 8 cosponsors. S. 2611 on Congress.gov(opens in a new tab)
Introduced
A resolution designating the week of August 3 through August 9, 2025, as "National Farmers Market Week".
Sponsor Alex Padilla (D). Original cosponsor. 20 cosponsors. S.Res. 349 on Congress.gov(opens in a new tab)
Passed the Senate
This resolution designates August 3-August 9, 2025, as National Farmers Market Week. The resolution also recognizes the vital role that farmers markets play in bringing communities together and in supporting the livelihoods of millions of people in the United States.
Epstein Files Transparency Act
Sponsor Jeff Merkley (D). Original cosponsor. 27 cosponsors. S. 2557 on Congress.gov(opens in a new tab)
Introduced
Protecting Health Care and Lowering Costs Act
Sponsor Charles Schumer (D). Original cosponsor. 46 cosponsors. S. 2556 on Congress.gov(opens in a new tab)
Introduced
Protecting Health Care and Lowering Costs Act
This bill makes permanent temporary provisions that generally expand eligibility for and increase the amount of the premium tax credit. This bill also repeals multiple Medicaid, Medicare, and health-related tax provisions enacted by the One Big Beautiful Bill Act (OBBBA).
Currently, eligible taxpayers may claim the premium tax credit, which applies toward the cost of obtaining health insurance through health insurance exchanges. To qualify, a taxpayer’s household income must meet or exceed 100% of the federal poverty level (FPL) and, after 2025, may not exceed 400% of the FPL (maximum income limit). For 2021-2025, the maximum income limit is eliminated, which generally expands eligibility for the premium tax credit.
Further, under current law, the amount of the premium tax credit is partially based on the taxpayer’s household income multiplied by the applicable percentage. The applicable percentage varies depending on which of six income ranges (adjusted for inflation after 2025) the taxpayer’s household income falls within. For 2021-2025, the applicable percentages are lowered and the adjustment of the applicable percentages for inflation is eliminated, which generally increases the amount of the premium tax credit.
The bill permanently eliminates the 400% maximum income limit, lowers the applicable percentages, and eliminates the inflation adjustment for the applicable percentages.
Finally, the bill repeals multiple Medicaid, Medicare, and health-related tax provisions enacted by the OBBBA, including
• certain Medicare and Medicare eligibility and verification requirements,
• the reduced window for retroactive Medicaid coverage, and
• premium tax credit verification requirements.
Time Off to Vote Act
Sponsor Mazie Hirono (D). Original cosponsor. 17 cosponsors. S. 2549 on Congress.gov(opens in a new tab)
Introduced
Time Off to Vote Act
This bill requires an employer, upon the request of an employee, to provide the employee with a minimum of two consecutive hours of paid leave while polls or sites that facilitate voting-related activity are open on the day of a federal election. This allotted time may be used to vote, return a mail-in ballot, or perform other voting-related activities.
The employer may determine the two-hour period, excluding any lunch break or other break.
Taking such leave shall not result in the employee losing accrued employment benefits.
The bill makes it unlawful for an employer to interfere with the right to take such leave or for an employer to discriminate against an employee for taking such leave. Further, the bill makes it unlawful for any employer to retaliate against an employee for (1) opposing any practice made unlawful by this bill; (2) filing a charge, or instituting or causing to be instituted any proceeding, under or related to this bill; or (3) testifying or preparing to testify in an inquiry or proceeding relating to such leave.
The bill specifies penalties for employers who violate these provisions.
Repealing the Trump Sick Tax Act
Sponsor Peter Welch (D). Joined Jul 30, 2025. 7 cosponsors. S. 2447 on Congress.gov(opens in a new tab)
Introduced