Senator · New Hampshire
Margaret Wood Hassan
Margaret Wood Hassan is a Democratic senator from New Hampshire, in Congress since 2017. In the 119th Congress, 915 roll calls were held while they served; they missed 14, and cast 722 of 828 party-unity votes with the majority of their caucus.
- Party
- Democrat
- Chamber
- Senate
- Current
- In Congress since
- Jan 3, 2017
- Term ends
- Jan 3, 2029

Record by Congress
Counts with their denominators for each Congress and chamber served. Ranks are among members who served most of that Congress (100 or more roll calls): rank 1 did it most often. A description, not a grade.
| Congress | Roll calls | Missed | Votes with party | Sponsored | Cosponsored across the aisle |
|---|---|---|---|---|---|
| 119th CongressSenate | 915 | 1.5%14 of 915 · rank 60 of 101 | 87%722 of 828 · rank 96 of 101 | 590 became law | 62%212 of 340 |
| 118th CongressSenate | 691 | 0.9%6 of 691 · rank 83 of 101 | 99%526 of 533 · rank 45 of 101 | 590 became law | 48%169 of 349 |
| 117th CongressSenate | 949 | 0.9%9 of 949 · rank 83 of 100 | 97%740 of 761 · rank 57 of 100 | 803 became law | 41%210 of 507 |
Ideology (DW-NOMINATE)
Voteview's DW-NOMINATE first dimension estimates where members sit from all their roll calls: liberal (−1) to conservative (+1). It describes voting patterns, not views. Shown for the 119th Congress (Senate), with each party's median and the chamber's range.
Source: Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/
Votes against their party
The latest party-unity votes on bills and amendments where the member voted yea or nay against most of their caucus.
- Jan 30, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 71–29· Against party
- Nov 10, 2025· Senate· Passage· On Passage of the Bill· Bill Passed 60–40· Against party
- Nov 10, 2025· Senate· Amendments· On the Amendment· Amendment Agreed to 60–40· Against party
- Jun 17, 2025· Senate· Passage· On Passage of the Bill· Bill Passed 68–30· Against party
- Jun 12, 2025· Senate· Amendments· On the Amendment· Amendment Agreed to 67–30· Against party
- Jan 20, 2025· Senate· Passage· On Passage of the Bill· Bill Passed 64–35· Against party
- Jan 20, 2025· Senate· Amendments· On the Amendment· Amendment Agreed to 75–24· Against party
- Jan 15, 2025· Senate· Amendments· On the Amendment· Amendment Agreed to 70–25· Against party
Recent votes
The latest roll calls on bills and amendments, with the member's recorded position.
- Sep 28, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 77–22
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 47–52
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 49–50
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 42–54
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 1–94
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Agreed to 96–1
- Sep 24, 2026· Senate· Passage· On the Concurrent Resolution· Concurrent Resolution Rejected 49–50
- Sep 24, 2026· Senate· Amendments· On the Amendment· Amendment Agreed to 77–23
- Aug 8, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 90–6
- Aug 7, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 86–11· Against party
- Aug 7, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 32–64
- Jul 30, 2026· Senate· Passage· On the Resolution· Resolution Agreed to 50–47
Sponsored bills
Bills and resolutions the member introduced as sponsor in the loaded Congresses. Volume is not quality: most measures never leave committee.
198 sponsored · 3 became law
How far they got
- Introduced15176%
- Reported by committee2312%
- Passed one chamber2111%
- Became law31.5%
Policy areas
- Health57
- Armed Forces and National Security21
- Taxation19
- Education17
- Government Operations and Politics15
- Crime and Law Enforcement10
- Emergency Management8
- Families6
Latest activity
- S. 5671 State Strategic Stockpile Act of 2026Introduced· Sep 30, 2026
- S.Res. 921 A resolution expressing the sense of the Senate that the advertisements promoting President Donald Trump that aired in September 2026, which included the direct language "paid for by the U.S. Government," should not be paid for by the United States Government.Introduced· Economics and Public Finance· Sep 29, 2026
- S. 5516 Keep Food Containers Safe from PFAS Act of 2026Introduced· Health· Sep 24, 2026
- S. 5502 Protecting Biotechnology and Biomanufacturing as Critical Infrastructure ActIntroduced· Science, Technology, Communications· Sep 24, 2026
- S.Res. 892 A resolution supporting the designation of September 18, 2026, as "National Concussion Awareness Day".Passed one chamber· Health· Sep 23, 2026
- S. 5425 Addiction Grants Modernization ActIntroduced· Health· Sep 17, 2026
- S. 2801 Canterbury Shaker Village National Heritage Area Study Authorization ActReported by committee· Public Lands and Natural Resources· Sep 17, 2026
- S. 3211 Recognizing the Role of Direct Support Professionals ActReported by committee· Labor and Employment· Sep 14, 2026
Committees
Seats as published by the congress-legislators project. Past seats are those no longer listed since Analisa began recording them.
Current seats
- Joint Economic CommitteeRanking Member
- Health CareRanking Member
Campaign money
What the member's campaigns reported receiving, per FEC two-year cycle, and the federal contracts of the organizations that sponsor the giving PACs (each sponsor matched to a contract recipient by AI, with its probability). Comparisons of public records: neither explains the other.
2026 cycle
- Raised
- $2.5M
- through Jun 30, 2026
- Cash on hand
- $1.7M
- From committees
- $608.3K
- 242 committees
- From contractor PACs
- $155.3K
- 65 PACs · 26% of committee money
Largest gifts from PACs of federal contractors, 2026
| PAC sponsor | Given | Matched contract recipient | Its contracts, FY2026 |
|---|---|---|---|
| amgen inc.amgen inc. political action committee | $10K | AMGEN INC.AI match · 99% · the same organization | $0 |
| humana inc.humana inc. political action committee | $10K | HUMANA GOVERNMENT BUSINESS INCAI match · 100% · of one corporate family | $5.6B |
| quest diagnostics incorporatedquest diagnostics incorporated political action committee | $8,500 | QUEST DIAGNOSTICS INCORPORATEDAI match · 100% · the same organization | $67.1M |
| messer construction comesser construction co pac | $7,000 | MESSER CONSTRUCTION COAI match · 100% · the same organization | $98.7M |
| burns & mcdonnell, inc.burns and mcdonnell inc. pac | $7,000 | BURNS & MCDONNELL, INC.AI match · 100% · the same organization | $6M |
| pfizer inc.pfizer inc. pac | $6,500 | PFIZER INCAI match · 100% · the same organization | -$140.2K |
| national association of broadcastersnational association of broadcasters political action committee (nabpac) | $6,250 | NATIONAL ASSOCIATION OF BROADCASTERSAI match · 100% · the same organization | $0 |
| microsoft corporationmicrosoft corporation stakeholders voluntary pac - msvpac | $5,000 | MICROSOFT CORPORATIONAI match · 99% · the same organization | $444.3M |
| grant thornton advisors llcthe grant thornton advisors llc political action committee | $5,000 | GRANT THORNTON LLPAI match · 96% · of one corporate family | $1.9M |
| pitney bowes inc.pitney bowes inc. political action committee | $3,500 | PITNEY BOWES INC.AI match · 100% · the same organization | $32M |
By cycle
| Cycle | Raised (FEC summary) | From committees | From contractor PACs |
|---|---|---|---|
| 2026 | $2.5M | $608.3K | $155.3K65 PACs · 26% of committee money |
| 2024 | $2.9M | $585.2K | $106.5K46 PACs · 18% of committee money |
| 2022 | $37M | $3M | $457.1K95 PACs · 15% of committee money |
Raised is the FEC's cumulative summary of the candidacy; committee money counts each contribution reported, so the two cover slightly different dates.
Terms
Every term in the House or Senate, as published by the congress-legislators project.
- Senate · New HampshireJan 3, 2023 – Jan 3, 2029
- Senate · New HampshireJan 3, 2017 – Jan 3, 2023
Contact
Official channels, as published.
- Website
- www.hassan.senate.gov
- Phone
- 202-224-3324
- Office
- 324 Hart Senate Office Building
- Contact form
- Contact form
Identifiers
The same member in other public records.
Sources and method
Every figure on this page traces to these records.
- Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
- House roll-call votes (Office of the Clerk, U.S. House of Representatives)Office of the Clerk, U.S. House of Representatives, roll-call vote records · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Senate roll-call votes and DW-NOMINATE scores (Voteview (UCLA Department of Political Science))Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/ · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Free to use with the required citation
- Bill status: bills and resolutions, sponsors, actions, subjects and CRS summaries (U.S. Government Publishing Office (GovInfo), from Congress.gov (Library of Congress))GovInfo Bill Status bulk data (Congress.gov; summaries by the Congressional Research Service) · data current to Oct 10, 2026 · loaded Oct 10, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Committees, candidates and committee contributions to candidates (Federal Election Commission)FEC bulk data: committee master, candidate master (candidates' names, no addresses), linkages, PAC summaries, all-candidates summaries and contributions from committees (no individual contributors) · data current to Oct 10, 2026 · loaded Oct 10, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 10, 2026 · loaded Oct 10, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Positions are shown only where a roll call recorded them; voice votes and unanimous consent record none.
- Activity counts describe volume and attendance; they are not a measure of quality.
- Money and votes are shown side by side; neither explains the other.