RepublicanChuck Grassley
U.S. Senator · Iowa
U.S. Senator from Iowa
10 tracked promises, 3 rated
Iowa
Represents Iowa statewide
How they won their seat
Chuck Grassley won the 2022 U.S. Senate election in Iowa with 55.4% of the vote (681,501 votes).
- Chuck Grassley · Republican55.4%681,501
- Michael Franken · Democrat43.3%533,330
- 3 Other Candidates1.3%15,585
Certified results. Source: MIT Election Data + Science Lab (MEDSL) ↗. A plurality winner can hold under 50% when more than two candidates run.
Inferred legislative agendas
Chuck Grass's record includes issues related to whistleblower protections, drug policy, and agriculture. He has sponsored multiple bills aimed at enhancing whistleblower protections, such as the Whistleblower Anti-Gag Act and the SEC Whistleblower Reform Act, and has made commitments to combat fentanyl and improve cattle market transparency. Focus areas (from the record): Whistleblower Protections · Drug Policy · Agriculture · Child Welfare · Government Accountability Alignment with declared positions: Consistent. Grassley's sponsored bills and declared positions align closely, particularly regarding whistleblower protections and drug policy. His commitment to the HALT Fentanyl Act and various whistleblower initiatives is reflected in his legislative activity. Confidence: moderate (based on the volume of verified record on file).
Inferred, not stated. Chuck Grassley has not necessarily stated these as goals. This is an AI-generated, nonpartisan reading of the patterns in their verified record — sponsored legislation, committee work, roll-call votes, and campaign-finance composition — and how those patterns compare to any declared positions and tracked promises. It describes what the record emphasizes, never imputes motive, and is run through an adversarial review pass that scrubs bias, loaded language, and any claim the evidence doesn’t support. It is not a quote, a claim they made, or a rating; every underlying item is sourced in the verified record below; and it never affects the Integrity Score.
Showing 2022. Every tile and chart below reflects this window; some record types (e.g. roll-call votes) only have data for recent years.
Activity in office
What Chuck Grassley has actually done in office — sourced from official roll-call and government records, shown in full below. These are facts, separate from tracked promises and never folded into any score. The tracked-positions tile counts sourced stated positions — claims about what they believe, not conduct — and is likewise never scored.
Roll-call data last updated September 7, 2026 · source: Voteview.
Bills sponsored over time
Bills sponsored per year, stacked by outcome (latest action). Outcome data covers the 118th–119th Congresses; earlier years show as “awaiting status” until enriched. Source: Congress.gov.
Bill success rate
Bills SPONSORED in the 118th–119th Congresses, by their latest action. Source: Congress.gov.
Campaign finance over time
- Small-dollar (unitemized)$00%
- Large individual (itemized)$00%
- PAC / committee$1.6M100%
By election cycle. Source: FEC.
Committee memberships
- Member, Senate Committee on Agriculture, Nutrition, and ForestryOn record since Jan 2025Member
- Member, Senate Committee on Agriculture, Nutrition, and Forestry — Commodities, Derivatives, Risk Management, and TradeOn record since Jan 2025Member
- Member, Senate Committee on Agriculture, Nutrition, and Forestry — Food and Nutrition, Specialty Crops, Organics, and ResearchOn record since Jan 2025Member
- Member, Senate Committee on Agriculture, Nutrition, and Forestry — Rural Development, Energy, and CreditOn record since Jan 2025Member
- Member, Senate Committee on FinanceOn record since Jan 2025Member
- Member, Senate Committee on Finance — International Trade, Customs, and Global CompetitivenessOn record since Jan 2025Member
- Chairman, Senate Committee on Finance — Social Security, Pensions, and Family PolicyOn record since Jan 2025Chair
- Member, Senate Committee on Finance — Taxation and IRS OversightOn record since Jan 2025Member
- Member, Senate Committee on the BudgetOn record since Jan 2025Member
- Chairman, Senate Committee on the JudiciaryOn record since Jan 2025Chair
- Member, Joint Committee on TaxationOn record since Jan 2025Member
- Member, United States Senate Caucus on International Narcotics ControlOn record since Jan 2025Member
Source: Congress.gov.
Integrity
Promises kept vs. worked against — weighted breakdown+56 · based on 3 rated promises
- Attempted 1
- Championed 2
Teal segments are promises kept; amber and stone segments are promises worked against. The signed score weights each rated promise by significance and evidence confidence. Promise-keeping is shown separately from popularity, finance, disclosure, and stated positions. Methodology is open.
Integrity over time
In office since Jan 2017 · 3 rated promisesThe line steps at each recorded assessment and holds between them; it ends on the current published score.
| Date | Integrity Score |
|---|---|
| Jul 2026 | 75 |
| Jul 2026 | 50 |
| Jul 2026 | 56 |
| Jan 2029 | 56 (current, held from last rating) |
Promise status over time
How the tracked promise record has evolved.
- Kept3
- Against0
- No opportunity0
- In progress0
Replayed from this official’s sourced assessment history — the bands step only when an assessment is recorded or changed. Based on the most recent roll-call votes on file and the tracked promise assessments; never interpolated.
Topic coverage
10 promises across 10 topicsWhat this record covers — the number of tracked promises per topic. This is coverage, not a verdict; the kept/against shading within each bar mirrors the Integrity breakdown above.
- Agriculture / Cattle Markets1
- Anti-Fraud / False Claims Act1
- Biofuels / Ethanol1
- Child Online Safety1
- Fentanyl / Drug Policy1
- Government Accountability / Cost of Living1
- Judicial Nominations1
- Prescription Drug Prices1
- Whistleblower Protections1
- Whistleblower Protections / Securities1
Evidence & significance
Evidence quality
Strongest source cited per promise.
- Primary (official record)990%
- Reputable news110%
Significance mix
How weighty the tracked promises are (1 = minor, 5 = defining).
Significance weights each promise in the Integrity Score.
10 tracked promises
“Committed to passing his bipartisan, negotiated Prescription Drug Pricing Reduction Act (PDPRA) as a standalone bill to lower prescription drug costs.”
“Pledged that as long as he is in the U.S. Senate he will keep working to empower whistleblowers and strengthen the legal protections that shield them from retaliation by federal agencies.”
“Committed to leading passage of the reintroduced SEC Whistleblower Reform Act to protect and strengthen the Securities and Exchange Commission's whistleblower program.”
“As chairman of the Senate Judiciary Committee, committed to continue advancing and confirming President Trump's judicial nominees and fulfilling the Senate's confirmation responsibility.”
“Pledged to continue fighting efforts to weaken the False Claims Act and to champion whistleblower protections against retaliation for those who report fraud.”
“Committed to advancing the reintroduced STOP CSAM Act to hold technology companies accountable for online child sexual abuse material and secure justice for victims.”
“Committed to authorizing year-round, nationwide sales of E15 (15% ethanol) fuel by reintroducing and pushing the Nationwide Consumer and Fuel Retailer Choice Act.”
“Committed to enacting the HALT Fentanyl Act to permanently classify fentanyl-related substances as Schedule I drugs and give law enforcement tools to combat them.”
“Pledged that in 2026 he will continue his efforts to bring down costs for Iowans and make government more accountable and transparent.”
“Vowed not to give up pushing the Cattle Price Discovery and Transparency Act to increase cattle-market transparency and protect independent producers from meatpacker concentration.”
Verified record
1,456 sponsored bills · finance on fileFacts imported directly from official government sources — shown separately from tracked promises and never folded into the Integrity Score. Each entry links to its primary source.
FEC 2026 cycle — raised $979,006, spent $1,129,544, cash on hand $0.
View the FEC filing ↗Sponsored legislation
- Sponsored S 4854: Foster Youth Housing Opportunity Act ↗Jun 23, 2026
- Sponsored S 4746: American Innovation and Choice Online Act ↗Jun 10, 2026
- Sponsored S 4712: Intelligence Community Inspector General Parity Act of 2026 ↗Jun 9, 2026
- Sponsored S 4639: IRS Whistleblower Program Improvement Act ↗May 21, 2026
- Sponsored S 4556: Informed Foster Youth Act of 2026 ↗May 18, 2026
- Sponsored 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. ↗May 14, 2026
- Sponsored SRES 735: A resolution designating the week of May 10 through May 16, 2026, as "National Police Week". ↗May 14, 2026
- Sponsored S 4460: Rural Community Hospital Demonstration Program Reauthorization ↗Apr 30, 2026
- Sponsored SRES 704: A resolution supporting the mission and goals of National Fentanyl Awareness Day in 2026, including increasing individual and public awareness of the impact of fake or counterfeit fentanyl pills on families and young people. ↗Apr 29, 2026
- Sponsored SRES 693: A resolution recognizing and supporting the goals and ideals of National Sexual Assault Awareness and Prevention Month. ↗Apr 28, 2026
- Sponsored SRES 692: A resolution designating the week of April 20 through April 24, 2026, as "National Home Visiting Week". ↗Apr 28, 2026
- Sponsored S 4415: TEACH Improvement Act of 2026 ↗Apr 28, 2026
Showing the 12 most recent of 1,456 sponsored measures.
Voting record
- Total votes
- 890
- Yea
- 649
- Nay
- 217
- Present
- 0
- Not voting
- 24
Full voting record
890 votes- S5271Yea
- PN1078Yea
- PN1078Yea
- HR6500Yea
- HR6500Nay
- HR6500Yea
- PN73011Yea
- HR5334Yea
- HR5334Nay
- SJRES187Nay
- PN73011Yea
- PN932Yea
- PN932Yea
- HR6500Yea
- SRES817Yea
- SJRES181Nay
- SJRES199Nay
- SRES817Yea
- HR5334Yea
- HR5334Yea
Roll-call votes, 119th Congress. Source: Voteview (voteview.com). Click any vote to verify it independently.
Positions on record
12 positions on recordThe record on this issue — recorded votes this official cast, and sourced claims about what they believe. Each is labelled with which it is, because a vote is what someone did and a statement is what they said. Neither is scored, and neither affects the Integrity Score.
- Judicial NominationsStated position
As chairman of the Senate Judiciary Committee, committed to continue advancing and confirming President Trump's judicial nominees and fulfilling the Senate's confirmation responsibility.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)View position & sources → - Anti-Fraud / False Claims ActStated position
Pledged to continue fighting efforts to weaken the False Claims Act and to champion whistleblower protections against retaliation for those who report fraud.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)· archivedView position & sources → - Government Accountability / Cost of LivingStated position
Pledged that in 2026 he will continue his efforts to bring down costs for Iowans and make government more accountable and transparent.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)· archivedView position & sources → - Child Online SafetyStated position
Committed to advancing the reintroduced STOP CSAM Act to hold technology companies accountable for online child sexual abuse material and secure justice for victims.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)· archivedView position & sources → - Biofuels / EthanolStated position
Committed to authorizing year-round, nationwide sales of E15 (15% ethanol) fuel by reintroducing and pushing the Nationwide Consumer and Fuel Retailer Choice Act.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)· archivedView position & sources → - Fentanyl / Drug PolicyStated position
Committed to enacting the HALT Fentanyl Act to permanently classify fentanyl-related substances as Schedule I drugs and give law enforcement tools to combat them.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)· archivedView position & sources → - Agriculture / Cattle MarketsStated position
Vowed not to give up pushing the Cattle Price Discovery and Transparency Act to increase cattle-market transparency and protect independent producers from meatpacker concentration.
SourcesKMAland (KMA Radio, Iowa)View position & sources → - Mass Surveillance, Tracking, and Flock SafetyRecorded vote
On record voting NAY on Paul Amendment No. 1829 to H.R. 7888, the Reforming Intelligence and Securing America Act, an amendment whose stated purpose was to append the Fourth Amendment Is Not For Sale Act to the bill. The amendment was rejected 31 to 61, a three-fifths majority being required.
SourcesSenate Roll Call Vote 144, 118th Congress, 2nd Session: On the Amendment, Paul Amdt. No. 1829 to H.R. 7888, the Reforming Intelligence and Securing America Act. Amendment Rejected, 31 yeas to 61 nays with a three-fifths majority required, April 19, 2024.View position & sources → - Mass Surveillance, Tracking, and Flock SafetyRecorded vote
On record voting NAY on Durbin Amendment No. 1841, as modified, to H.R. 7888, the Reforming Intelligence and Securing America Act, an amendment whose stated purpose was to prohibit warrantless access to the communications and other information of United States persons. The amendment was rejected 42 to 50.
SourcesSenate Roll Call Vote 148, 118th Congress, 2nd Session: On the Amendment, Durbin Amdt. No. 1841 as Modified to H.R. 7888, the Reforming Intelligence and Securing America Act. Amendment Rejected, 42 yeas to 50 nays, April 19, 2024.View position & sources → - Whistleblower Protections / SecuritiesStated position
Committed to leading passage of the reintroduced SEC Whistleblower Reform Act to protect and strengthen the Securities and Exchange Commission's whistleblower program.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)· archivedView position & sources → - Prescription Drug PricesStated position
Committed to passing his bipartisan, negotiated Prescription Drug Pricing Reduction Act (PDPRA) as a standalone bill to lower prescription drug costs.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)· archivedView position & sources → - Whistleblower ProtectionsStated position
Pledged that as long as he is in the U.S. Senate he will keep working to empower whistleblowers and strengthen the legal protections that shield them from retaliation by federal agencies.
SourcesOffice of U.S. Senator Chuck Grassley (grassley.senate.gov)· archivedView position & sources →
Disclosure
A separate measure from the promise scorecard above. It tracks confirmed cases where this official has acted on or championed an issue that already existed when they ran, but which they did not disclose as a priority in their campaign. Each case meets a high evidence bar — three independent sources — and the score is shown alongside the Integrity Score, never merged into it. How this is measured.
No undisclosed priorities on record. This is not a clean-audit claim — it means none have been confirmed for this official.
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