Hassan, Margaret Wood
In office since
2017 · 9 yrs
Chambers served
Senate
Born
1958, Boston
Occupation
Lawyer, Politician
Education
Brown University · Lincoln-Sudbury Regional High School · Northeastern University School of Law
Office history
- member of the State Senate of New Hampshire 2004–2010
- Governor of New Hampshire 2013–2017
- United States senator 2017–2019
- United States senator 2019–2021
- United States senator 2021–2023
- United States senator 2023–2025
- United States senator 2025–present
Contact
Capitol office
324 Hart Senate Office Building Washington DC 20510
202-224-3324
District office · Berlin
168 Main Street, Berlin, NH, 03570
603-752-6190
District office · Manchester
1589 Elm Street, Manchester, NH, 03101
603-622-2204
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48
Bills sponsored
this session · 216 all-time
309
Bills co-sponsored
this session · 326 all-time
—
Enacted into law
counting…
899
Recorded votes
99%
Vote participation
voted in 99% of 899 recorded votes
Voting scorecard
119 session · computed from recorded roll-call votes
Party unity
93.6%
based on 265 votes
Votes with own party's majority
Independence
6.4%
based on 265 votes
Votes against own party's majority
Participation
97.8%
based on 265 votes
Roll calls where a yes/no was cast
Sponsored (introduced)
216 billsCurrent session 48 bills
- S 850 Northern Border Security Enhancement and Review Act Passed
- S 3211 Recognizing the Role of Direct Support Professionals Act In Committee
- S 848 REPORT Act In Committee
- S 773 Disaster Management Costs Modernization Act In Committee
- S 607 Improving Veteran Access to Care Act Passed
- S 619 Credit Freeze for Kids Act In Committee
- S 380 Rural Obstetrics Readiness Act In Committee
- S 3522 No Red Tape For Addiction Treatment Act In Committee
- S 3359 Fast Track To and Through College Act In Committee
- S 3336 Reliable Artificial Intelligence Research Act of 2025 In Committee
- S 3250 Rural Hospital Flexibility Act of 2025 In Committee
- S 3251 State and Local Cybersecurity Grant Program Reauthorization Act In Committee
- S 2947 Pray Safe Act of 2025 In Committee
- SRES 420 A resolution supporting the designation of September 19, 2025, as "National Concussion Awareness Day". Passed
- S 2801 Canterbury Shaker Village National Heritage Area Study Authorization Act In Committee
- S 2847 Occupational Therapy Mental Health Parity Act In Committee
- S 2658 Medication Affordability and Patent Integrity Act In Committee
- S 2497 Fair Billing Act In Committee
- S 2491 SAFE Sunscreen Standards Act In Committee
- S 2474 Advocate for Employee Ownership Act In Committee
- S 2332 ALERT Communities Act In Committee
- S 2277 GPS Resiliency Report Act In Committee
- S 1975 Dark Web Interdiction Act of 2025 In Committee
- S 1971 Nutrition CARE Act of 2025 In Committee
- S 1840 Retirement Investment in Small Employers Act In Committee
Historical 168 bills
- S 2608 Advancing Competency-Based Education Act of 2019 Died
- S 2595 New Home Energy Efficiency Act Died
- S 1049 Opioid Addiction Risk Transparency Act Died
- S 2588 Home Energy Savings Act Died
- S 2513 REPORT Act Died
- SRES 349 A resolution supporting the designation of September 20, 2019, as "National Concussion Awareness Day". Died
- S 947 TICKETS Act Died
- S 2486 Prevent Evictions Act of 2019 Died
- S 848 Reigniting Opportunity for Innovators Act Died
- S 2277 Battery Storage Innovation Act of 2019 Died
- S 2207 Research and Development Tax Credit Expansion Act of 2019 Died
- S 2175 Acting on the Annual Duplication Report Act of 2019 Died
- S 2158 The Newborn Screening Saves Lives Reauthorization Act of 2019 Died
- S 2074 Mainstreaming Addiction Treatment Act of 2019 Died
- S 1785 Fair AMP Act Died
- S 574 Increasing Prescription Drug Competition Act Died
- S 1515 Rural Reasonable and Comparable Wireless Access Act of 2019 Died
- S 1275 Federal Agency Customer Experience Act of 2019 Died
- SRES 181 A resolution supporting the designation of the week of April 8 through April 12, 2019, as "National Specialized Instructional Support Personnel Appreciation Week". Died
- S 1181 Help Grandfamilies Prevent Child Abuse Act Died
- S 1117 Gateway to Careers Act of 2019 Died
- S 867 PROTECT Students Act of 2019 Died
- S 699 National Green Alert Act of 2019 Died
- S 411 Counter Threats Advisory Board Act of 2019 Died
- S 346 National Evaluation of Techniques for Making Energy Technologies More Efficient and Resilient Act of 2019 Died
Co-sponsored
326 billsCurrent session 309 bills
- S 4829 Air Carrier Access Amendments Act In Committee
- S 4941 Modernizing Opioid Treatment Access Act 2.0 of 2026 In Committee
- SRES 789 A resolution recognizing June 2026, as "LGBTQ Pride Month". In Committee
- SRES 790 A resolution recognizing and honoring the 27th anniversary of the Supreme Court decision in Olmstead v L.C. In Committee
- S 4889 Supporting Our Direct Care Workforce and Family Caregivers Act In Committee
- S 4895 Turn the Tide Act In Committee
- S 4927 Rural Hospital Emergency Room Guarantee Act In Committee
- S 4992 A bill to require the Secretary of the Army to issue guidance relating to the review of applications for alteration or temporary or permanent occupation or use of certain hydropower projects, and for other purposes. In Committee
- SRES 801 A resolution honoring the life and legacy of the Honorable Lindsey Olin Graham, a Senator from the State of South Carolina. Passed
- S 3097 Health Information Privacy Reform Act In Committee
- SRES 694 A resolution designating April 2026 as "Financial Literacy Month". Passed
- SRES 697 A resolution welcoming Their Majesties King Charles III and Queen Camilla of the United Kingdom to the United States on the occasion of His Majesty's address to a joint meeting of Congress, and recognizing the historic global significance of the United States-United Kingdom relationship. Passed
- SRES 703 A resolution expressing support for the designation of the week of May 3, 2026, through May 9, 2026, as "National Small Business Week" to celebrate the contributions of small businesses and entrepreneurs in every community in the United States. Passed
- S 4428 No Aid for Ghost Students Act of 2026 In Committee
- SRES 720 A resolution recognizing the significance of Asian American, Native Hawaiian, and Pacific Islander Heritage Month as an important time to celebrate the significant contributions of Asian Americans, Native Hawaiians, and Pacific Islanders to the history of the United States. Passed
- SRES 723 A resolution honoring the life of Dirk Arthur Kempthorne, former United States Senator for the State of Idaho. Passed
- SRES 724 A resolution recognizing the roles and contributions of the teachers of the United States in building and enhancing the civic, cultural, and economic well-being of the United States. Passed
- S 4487 Veterans’ Compensation Cost-of-Living Adjustment Act of 2026 In Committee
- S 4503 Advancing Menopause Care and Mid-Life Women’s Health Act In Committee
- SRES 735 A resolution designating the week of May 10 through May 16, 2026, as "National Police Week". Passed
- S 4540 Reproductive Health Care Accessibility Act In Committee
- SRES 737 A resolution recognizing National Foster Care Month as an opportunity to raise awareness about the challenges of children in the foster care system and to encourage Congress to implement policies to improve the lives of children in the foster care system. Passed
- SRES 706 A resolution expressing support for the designation of April 2026 as "National Child Abuse Prevention Month", and the goals and ideals of National Child Abuse Prevention Month. Passed
- SRES 732 A resolution expressing the sense of the Senate that over 25 years of real-world evidence and hundreds of peer-reviewed studies proving that mifepristone is safe and effective should be respected, and law and policy governing access to lifesaving, time-sensitive medication abortion care in the United States should be equitable, transparent, and based on the best available peer-reviewed evidence-based science. In Committee
- SRES 739 A resolution honoring the life and legacy of John Seymour, the late Senator for the State of California. Passed
Historical 17 bills
- SRES 156 A resolution recognizing National Foster Care Month as an opportunity to raise awareness about the challenges of children in the foster-care system, and encouraging Congress to implement policy to improve the lives of children in the foster-care system. Died
- SRES 209 A resolution designating the week of May 12 through May 18, 2019, as "National Police Week". Died
- S 445 Home Health Care Planning Improvement Act of 2017 Died
- S 2463 E-Cigarette Tax Parity Act Died
- S 519 A bill to amend the Safe Water Drinking Act to require the Administrator of the Environmental Protection Agency to establish maximum contaminant levels for certain contaminants, and for other purposes. Died
- S 2568 Fair Sugar Policy Act of 2019 Died
- S 1789 Military Justice Improvement Act of 2019 Died
- S 1857 Federal Energy and Water Management Performance Act of 2019 Died
- S 3609 Gas Prices Relief Act of 2022 Died
- S 2525 Guaranteeing Equipment Safety for Firefighters Act of 2019 Died
- SRES 58 A resolution congratulating the New England Patriots on their victory in Super Bowl LI. Died
- SRES 347 A resolution designating October 2, 2019, as "Energy Efficiency Day" in celebration of the economic and environmental benefits that have been driven by private sector innovation and Federal energy efficiency policies. Died
- S 1867 DHS Countering Unmanned Aircraft Systems Coordinator Act Died
- SCONRES 6 A concurrent resolution supporting the Local Radio Freedom Act. Died
- S 771 Improving Access To Affordable Prescription Drugs Act Died
- S 681 Deborah Sampson Act Died
- S 464 Safe Step Act Died
Voting record
Current session 17 votes
| Bill | Vote | Result | Date |
|---|---|---|---|
|
HR 9340
Ratepayer Protection Act
On Cloture on the Motion to Proceed H.R. 9340 |
Yea | fail | September 30, 2026 |
|
HR 7008
Stop Insider Trading Act
On Cloture on the Motion to Proceed H.R. 7008 |
Nay | fail | September 30, 2026 |
|
SJRES 197
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services of the Department of Health and Human Services relating to "Patient Protection and Affordable Care Act, HHS Notice of Benefit and Payment Parameters for 2027; and Basic Health Program".
On the Motion to Proceed S.J.Res. 197 |
Yea | fail | September 29, 2026 |
|
S 4668
Protect College Sports Act of 2026
On Passage of the Bill S. 4668 |
Yea | pass | September 28, 2026 |
|
HCONRES 89
Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.
On the Concurrent Resolution H.Con.Res. 89 |
Yea | fail | September 24, 2026 |
|
S 4668
Protect College Sports Act of 2026
On the Cloture Motion S. 4668 |
Yea | pass | September 24, 2026 |
|
S 4668
Protect College Sports Act of 2026
On the Motion to Proceed S. 4668 |
Yea | pass | September 17, 2026 |
|
S 4668
Protect College Sports Act of 2026
On Cloture on the Motion to Proceed S. 4668 |
Yea | pass | September 15, 2026 |
|
HR 3633
Digital Asset Market Clarity Act
On Cloture on the Motion to Proceed H.R. 3633 |
Nay | fail | September 15, 2026 |
|
HR 6500
Continuing Appropriations and Extensions Act, 2027
On Passage of the Bill H.R. 6500 |
Yea | pass | August 08, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On Passage of the Bill H.R. 5334 |
Nay | pass | August 07, 2026 |
|
SJRES 187
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)".
On the Motion to Proceed S.J.Res. 187 |
Yea | fail | August 05, 2026 |
|
HR 6500
Continuing Appropriations and Extensions Act, 2027
On Cloture on the Motion to Proceed H.R. 6500 |
Yea | pass | August 03, 2026 |
|
SJRES 181
A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.
On the Motion to Discharge S.J.Res. 181 |
Yea | fail | July 30, 2026 |
|
SJRES 199
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Health and Human Services relating to "Restoring Flexibility in the Child Care and Development Fund (CCDF)".
On the Motion to Proceed S.J.Res. 199 |
Yea | fail | July 30, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On the Motion to Proceed H.R. 5334 |
Nay | pass | July 29, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On Cloture on the Motion to Proceed H.R. 5334 |
Nay | pass | July 28, 2026 |
Historical 33 votes
| Bill | Vote | Result | Date |
|---|---|---|---|
| On the Nomination PN1129 | Nay | pass | September 30, 2026 |
| On the Cloture Motion PN1129 | Nay | pass | September 30, 2026 |
| On the Motion to Discharge S.Res. 852 | Yea | fail | September 29, 2026 |
| On the Amendment S.Amdt. 6835 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6805 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6760 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6758 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6828 to S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | pass | September 28, 2026 |
| On the Amendment S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | pass | September 24, 2026 |
| On the Nomination PN999-1 | Nay | pass | September 23, 2026 |
| On the Cloture Motion S.Amdt. 6776 to S. 4668 (No short title on file) | Yea | pass | September 22, 2026 |
| On the Cloture Motion PN999-1 | Nay | pass | September 22, 2026 |
| On the Nomination PN999-4 | Nay | pass | September 17, 2026 |
| On the Cloture Motion PN999-4 | Nay | pass | September 17, 2026 |
| On the Nomination PN1093-3 | Nay | pass | September 15, 2026 |
| On the Cloture Motion PN1093-3 | Nay | pass | September 14, 2026 |
| On Cloture on the Motion to Proceed S. 5271 | Nay | fail | August 08, 2026 |
| On the Nomination PN1078 | Nay | pass | August 08, 2026 |
| On the Cloture Motion PN1078 | Nay | pass | August 08, 2026 |
| On the Motion to Table S.Amdt. 6747 to S.Amdt. 6732 to H.R. 6500 (No short title on file) | Nay | pass | August 08, 2026 |
| On the Cloture Motion S.Amdt. 6732 to H.R. 6500 (No short title on file) | Yea | pass | August 07, 2026 |
| On the Nomination PN961-1 and PN937-5 and PN901-1 and PN730-38 and PN962-3 and PN931-6 and PN1022-25 and PN806-5 and PN1022-10 and PN1012 and PN931-5 and PN931-4 and PN937-2 and PN1022-22 and PN962-1 and PN961-4 and PN901-3 and PN806-7 and PN730-23 and PN1022-7 and PN1022-6 and PN961-3 and PN937-9 and PN937-8 and PN937-7 and PN1022-34 and PN1022-31 and PN1022-15 and PN1022-9 and PN1022-8 and PN1022-3 and PN961-9 and PN931-2 and PN1093-2 and PN1093-1 and PN1011 and PN961-2 and PN930-8 and PN930-6 and PN930-5 and PN930-1 and PN901-12 and PN901-2 and PN850 and PN787-2 and PN730-18 and PN730-2 and PN933 and PN852-3 and PN806-2 and PN961-7 and PN901-7 and PN901-6 and PN792 and PN786-10 and PN931-3 and PN730-59 and PN786-5 and PN937-1 and PN901-11 and PN859-5 and PN730-36 and PN901-5 and PN859-2 and PN859-1 and PN901-10 and PN852-11 and PN852-9 and PN859-6 and PN852-6 and PN852-5 and PN852-2 and PN806-9 and PN730-11 | Nay | pass | August 07, 2026 |
| On the Amendment S.Amdt. 6715 to S.Amdt. 6711 to H.R. 5334 (No short title on file) | Yea | fail | August 07, 2026 |
| On the Cloture Motion PN961-1 and PN937-5 and PN901-1 and PN730-38 and PN962-3 and PN931-6 and PN1022-25 and PN806-5 and PN1022-10 and PN1012 and PN931-5 and PN931-4 and PN937-2 and PN1022-22 and PN962-1 and PN961-4 and PN901-3 and PN806-7 and PN730-23 and PN1022-7 and PN1022-6 and PN961-3 and PN937-9 and PN937-8 and PN937-7 and PN1022-34 and PN1022-31 and PN1022-15 and PN1022-9 and PN1022-8 and PN1022-3 and PN961-9 and PN931-2 and PN1093-2 and PN1093-1 and PN1011 and PN961-2 and PN930-8 and PN930-6 and PN930-5 and PN930-1 and PN901-12 and PN901-2 and PN850 and PN787-2 and PN730-18 and PN730-2 and PN933 and PN852-3 and PN806-2 and PN961-7 and PN901-7 and PN901-6 and PN792 and PN786-10 and PN931-3 and PN730-59 and PN786-5 and PN937-1 and PN901-11 and PN859-5 and PN730-36 and PN901-5 and PN859-2 and PN859-1 and PN901-10 and PN852-11 and PN852-9 and PN859-6 and PN852-6 and PN852-5 and PN852-2 and PN806-9 and PN730-11 | Nay | pass | August 05, 2026 |
| On the Resolution S.Res. 817 | Nay | pass | July 30, 2026 |
| On the Cloture Motion S.Res. 817 | Nay | pass | July 29, 2026 |
| On the Nomination PN932 | Nay | pass | August 05, 2026 |
| On the Cloture Motion PN932 | Nay | pass | August 05, 2026 |
| On the Nomination PN1092 | Nay | pass | July 28, 2026 |
| On the Cloture Motion PN1092 | Nay | pass | July 27, 2026 |
| On the Cloture Motion PN373 | Nay | pass | December 18, 2025 |
| On the Cloture Motion PN615-2 | Yea | pass | December 18, 2025 |
| On the Cloture Motion PN12-1 | Nay | pass | December 18, 2025 |
Career history 4 past roles
- Upper chamber Democratic
- Upper chamber Democratic
- Upper chamber Democratic
- Upper chamber Democratic