Grassley, Chuck
In office since
1975 · 51 yrs
Chambers served
House & Senate
Born
1933, New Hartford
Occupation
University Teacher, Legislator, Politician, Farmer
Education
University of Iowa · University of Northern Iowa
Office history
- member of the Iowa House of Representatives 1959–1975
- United States representative 1973–1975
- United States representative 1975–1977
- United States representative 1977–1979
- United States representative 1979–1981
- United States senator 1981–1983
- United States senator 1983–1985
- United States senator 1985–1987
- United States senator 1989–1991
- United States senator 1991–1993
- United States senator 1995–1997
- United States senator 1997–1999
- United States senator 1999–2001
- United States senator 2001–2003
- United States senator 2003–2005
- United States senator 2005–2007
- United States senator 2007–2009
- United States senator 2009–2011
- United States senator 2011–2013
- United States senator 2013–2015
- United States senator 2015–2017
- United States senator 2017–2019
- President pro tempore of the United States Senate 2019–2021
- United States senator 2019–2021
- United States senator 2021–2023
- United States senator 2023–present
Contact
Capitol office
135 Hart Senate Office Building Washington DC 20510
202-224-3744
District office · Davenport
201 W. 2nd St., Davenport, IA, 52801
563-322-4331
District office · Des Moines
210 Walnut St., Des Moines, IA, 50309
515-288-1145
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87
Bills sponsored
this session · 370 all-time
230
Bills co-sponsored
this session · 236 all-time
—
Enacted into law
counting…
899
Recorded votes
97%
Vote participation
voted in 97% of 899 recorded votes
Voting scorecard
119 session · computed from recorded roll-call votes
Party unity
99.6%
based on 267 votes
Votes with own party's majority
Independence
0.4%
based on 267 votes
Votes against own party's majority
Participation
98.5%
based on 267 votes
Roll calls where a yes/no was cast
Sponsored (introduced)
370 billsCurrent session 87 bills
- S 2677 A bill to expand the sharing of information with respect to suspected violations of intellectual property rights in trade. Passed
- S 1057 A bill to modify the requirements for transfers of United States defense articles and defense services among the Baltic states. In Committee
- S 981 Foreign Agents Transparency Act In Committee
- S 960 Justice for Murder Victims Act Passed
- S 825 Fighting Post-Traumatic Stress Disorder Act of 2025 Passed
- S 856 Disclosing Foreign Influence in Lobbying Act Passed
- S 736 Lieutenant Osvaldo Albarati Stopping Prison Contraband Act Passed
- S 752 Accelerating Kids’ Access to Care Act In Committee
- SRES 88 A resolution designating March 7, 2025, as "National Speech and Debate Education Day". Passed
- S 560 EAGLES Act of 2025 In Committee
- S 532 OPTN Fee Collection Authority Act In Committee
- S 527 Prescription Pricing for the People Act of 2025 In Committee
- S 526 Pharmacy Benefit Manager Transparency Act of 2025 In Committee
- SRES 65 An original resolution authorizing expenditures by the Committee on the Judiciary. In Committee
- S 335 Rural Hospital Support Act In Committee
- SRES 39 A resolution supporting the observation of National Trafficking and Modern Slavery Prevention Month during the period beginning on January 1, 2025, and ending on February 1, 2025, to raise awareness of, and opposition to, human trafficking and modern slavery. Passed
- S 162 Recruiting Families Using Data Act of 2025 Passed
- S 180 Protecting First Responders from Secondary Exposure Act of 2025 In Committee
- S 3394 SAFE Act In Committee
- S 3398 Stop Sextortion Act In Committee
- S 3397 ECCHO Act In Committee
- S 3384 Fraud Risk Assessment of Obamacare Subsidies Accountability Act In Committee
- S 3228 SIMSA Act of 2025 In Committee
- S 3125 PROTECT Act of 2025 In Committee
- S 3087 Stop Pills That Kill Act In Committee
Historical 283 bills
- SRES 358 A resolution designating the week beginning October 20, 2019, as "National Character Counts Week". Died
- 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
- S 1130 Rural Emergency Acute Care Hospital Act Died
- SRES 159 A resolution recognizing and supporting the goals and ideals of National Sexual Assault Awareness Month. Died
- S 156 Accountability Through Electronic Verification Act Died
- S 157 Drone Act of 2023 Died
- S 139 Organized Retail Crime Center Authorization Act of 2023 Died
- S 140 Combating Organized Retail Crime Act of 2023 Died
- S 1010 Register of Copyrights Selection and Accountability Act of 2017 Died
- S 113 Prescription Pricing for the People Act of 2023 Died
- S 1003 A bill to amend title XIX of the Social Security Act to add standards for drug compendia for physician use for purposes of Medicaid payment for certain drugs, and for other purposes. Died
- S 2543 Prescription Drug Pricing Reduction Act of 2019 Died
- S 2540 EB–5 Reform and Integrity Act of 2019 Died
- S 2529 Whistleblower Programs Improvement Act Died
- S 944 American Renewable Fuel and Job Creation Act of 2017 Died
- SRES 131 A resolution supporting the mission and goals of National Crime Victims' Rights Week in 2017, which include increasing public awareness of the rights, needs, and concerns of, and services available to assist, victims and survivors of crime in the United States. Died
- S 904 Strengthening State and Local Cyber Crime Fighting Act of 2017 Died
- S 889 Net Price Calculator Improvement Act Died
- S 888 Understanding the True Cost of College Act of 2017 Died
- S 860 Juvenile Justice and Delinquency Prevention Reauthorization Act of 2017 Died
- S 872 Rural Hospital Access Act of 2017 Died
- S 813 A bill to amend the Packers and Stockyards Act, 1921, to make it unlawful for a packer to own, feed, or control livestock intended for slaughter. Died
- S 807 Criminal Antitrust Anti-Retaliation Act of 2017 Died
- SCONRES 12 A concurrent resolution expressing the sense of Congress that those who served in the bays, harbors, and territorial seas of the Republic of Vietnam during the period beginning on January 9, 1962, and ending on May 7, 1975, should be presumed to have served in the Republic of Vietnam for all purposes under the Agent Orange Act of 1991. Died
- S 762 IRS Whistleblower Improvements Act of 2017 Died
Co-sponsored
236 billsCurrent session 230 bills
- S 4826 SABER Act of 2026 In Committee
- S 4952 Protecting American Taxpayers Act In Committee
- S 5025 Lindsey O. Graham Sanctioning Russia Act of 2026 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 4418 Lowering Input Costs for American Farmers Act In Committee
- S 4421 NOPE Act of 2026 In Committee
- S 4435 Improving Financial Aid Offers for Students Act In Committee
- 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
- SRES 709 A resolution supporting the goals and ideals of National Nurses Week, to be observed from May 6 through May 12, 2026. In Committee
- S 4446 PRESS Act In Committee
- S 4452 Let Experienced Pilots Fly Act In Committee
- SRES 723 A resolution honoring the life of Dirk Arthur Kempthorne, former United States Senator for the State of Idaho. Passed
- SRES 728 A resolution expressing the sense of the Senate that the President should prioritize securing the release of Pastor Jin Mingri, Pastor Gao Quanfu and his wife Pang Yu, Jimmy Lai, Dr. Gulshan Abbas, and Ekpar Asat detained by the People's Republic of China during future engagements with Chinese President Xi Jingping. Passed
- SRES 739 A resolution honoring the life and legacy of John Seymour, the late Senator for the State of California. Passed
- SRES 747 A resolution expressing support for the designation of May 2026 as "Renewable Fuels Month" to recognize the important role that renewable fuels play in lowering fuel prices for consumers, lessening reliance on foreign adversaries, supporting rural communities, and reducing carbon impacts. Passed
- S 4631 Expanding Whistleblower Protections for Contractors Act of 2026 Passed
- S 4617 Exchange Stabilization Fund Transparency Act In Committee
- SRES 755 A resolution honoring the life of the Honorable Donald W. Riegle, Jr., former Senator for the State of Michigan. Passed
- S 4632 Prevent Government Shutdowns Act of 2026 In Committee
- S 4648 A bill to improve transparency with respect to foreign influence on Department of Defense contractors. In Committee
- S 4671 Federal Firearms Licensee Protection Act of 2026 In Committee
- S 4775 Stopping Harmful and Outrageous Torts Act In Committee
- S 53 PRINTS Act In Committee
- S 65 Constitutional Concealed Carry Reciprocity Act of 2025 In Committee
- SRES 19 A resolution honoring the life and legacy of President Jimmy Carter and commending President Jimmy Carter for his life-long career of public service, humanitarian leadership, diplomacy, and courageous advocacy. Passed
Historical 6 bills
- S 3678 Beagle Brigade Act of 2022 Died
- SRES 72 A resolution recognizing Russian actions in Ukraine as a genocide. Died
- SJRES 5 A joint resolution disapproving the action of the District of Columbia Council in approving the Local Resident Voting Rights Amendment Act of 2022. Died
- S 127 Pharmacy Benefit Manager Transparency Act of 2023 Died
- SRES 280 A resolution commending the officers and personnel of U.S. Customs and Border Protection for their work during the crisis at the Southern border. Died
- SRES 19 A resolution relative to the death of Edward W. Brooke, III, former United States Senator for the Commonwealth of Massachusetts. 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 |
Yea | 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 |
Nay | 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 |
Nay | 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 |
Yea | 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 |
Yea | 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 |
Nay | 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 |
Nay | 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 |
Nay | fail | July 30, 2026 |
|
HR 5334
Lindsey O. Graham Sanctioning Russia and Iran Act of 2026
On the Motion to Proceed H.R. 5334 |
Yea | 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 |
Yea | pass | July 28, 2026 |
Historical 33 votes
| Bill | Vote | Result | Date |
|---|---|---|---|
| On the Nomination PN1129 | Yea | pass | September 30, 2026 |
| On the Cloture Motion PN1129 | Yea | pass | September 30, 2026 |
| On the Motion to Discharge S.Res. 852 | Nay | fail | September 29, 2026 |
| On the Amendment S.Amdt. 6835 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6805 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | fail | September 28, 2026 |
| On the Amendment S.Amdt. 6760 to S.Amdt. 6776 to S. 4668 (No short title on file) | Nay | 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 | Yea | 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 | Yea | pass | September 22, 2026 |
| On the Nomination PN999-4 | Yea | pass | September 17, 2026 |
| On the Cloture Motion PN999-4 | Yea | pass | September 17, 2026 |
| On the Nomination PN1093-3 | Yea | pass | September 15, 2026 |
| On the Cloture Motion PN1093-3 | Yea | pass | September 14, 2026 |
| On Cloture on the Motion to Proceed S. 5271 | Yea | fail | August 08, 2026 |
| On the Nomination PN1078 | Yea | pass | August 08, 2026 |
| On the Cloture Motion PN1078 | Yea | 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 | Yea | pass | August 07, 2026 |
| On the Amendment S.Amdt. 6715 to S.Amdt. 6711 to H.R. 5334 (No short title on file) | Nay | 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 | Yea | pass | August 05, 2026 |
| On the Resolution S.Res. 817 | Yea | pass | July 30, 2026 |
| On the Cloture Motion S.Res. 817 | Yea | pass | July 29, 2026 |
| On the Nomination PN932 | Yea | pass | August 05, 2026 |
| On the Cloture Motion PN932 | Yea | pass | August 05, 2026 |
| On the Nomination PN1092 | Yea | pass | July 28, 2026 |
| On the Cloture Motion PN1092 | Yea | pass | July 27, 2026 |
| On the Cloture Motion PN373 | Yea | pass | December 18, 2025 |
| On the Cloture Motion PN615-2 | Yea | pass | December 18, 2025 |
| On the Cloture Motion PN12-1 | Yea | pass | December 18, 2025 |
Career history 5 past roles
- Upper chamber Republican
- Upper chamber Republican
- Upper chamber Republican
- Upper chamber Republican
- Upper chamber Republican