About
Grassley, Charles Ernest A Senator and a Representative from Iowa; born in New Hartford, Butler County, Iowa, September 17, 1933; attended the public schools; graduated, University of Northern Iowa, Cedar Falls 1955; received a graduate degree from the same university in 1956; pursued graduate work, University of Iowa, Iowa City 1957-1958; engaged in agriculture; part-time university instructor; member, Iowa house of representatives 1959-1974; elected in 1974 as a Republican to the Ninety-fourth Congress; reelected to the Ninety-fifth and Ninety-sixth Congresses (January 3, 1975-January 3, 1981); was not a candidate in 1980 for reelection to the House of Representatives, but was elected to the Senate in 1980; reelected in 1986, 1992, 1998, 2004, 2010, 2016, and again in 2022 for the term ending January 3, 2029; president pro tempore (January 3, 2019-January 20, 2021; January 3, 2025-); chair, Special Committee on Aging (One Hundred Fifth and One Hundred Sixth Congresses), Committee on Finance (One Hundred Seventh Congress [January 20 to June 6, 2001], One Hundred Eighth, One Hundred Ninth, and One Hundred Sixteenth Congresses), Committee on the Judiciary (One Hundred Fourteenth, One Hundred Fifteenth, and One Hundred Nineteenth Congresses).
Official Biography · U.S. Congress.
Performance & Participation
Votes CastMiddle 50%
97% — Voted in 845 of 869 roll call votes this congress.
Avg 97% · Most: 100% · Least: 87%
Vote IndependenceMiddle 50%
0.6% — Voted against their own party majority 5 of 834 times.
Avg 2.8% · Most independent: 19.0% · Most party-line: 0.0%
Cosponsors AttractedTop 25%
783 — Attracted 783 cosponsors across 87 bills.
Avg 323 · Most: 967 · Least: 4
Cosponsors Attracted Cross-AisleTop 25%
354 — Attracted 354 cosponsors across the aisle.
Avg 80 · Most: 354 · Least: 0
Cosponsorships GivenBottom 25%
230 — 230 bills cosponsored.
Avg 329 · Most: 727 · Least: 0
Cosponsorships Given Cross-AisleMiddle 50%
80 — 80 bills cosponsored across the aisle.
Avg 94 · Most: 425 · Least: 0
Social Media ToneiMiddle 50%
NegativePositive
Avg +0.65 · Most: +0.93 · Least: +0.48
Press Release ToneiMiddle 50%
NegativePositive
Avg +0.33 · Most: +0.62 · Least: +0.09
Tucson Speaks Out: Oct. 4
Tucson.com · Oct 4, 2026
David M. Shribman: Sherrod Brown is testing liberal populism in red-tinged Ohio
Pittsburgh Post-Gazette · Oct 4, 2026
National Perspective: Republicans change messaging amid economic downturn
Ukiah Daily Journal · Oct 3, 2026
Republicans change messaging amid economic downturn
Lake County Record-Bee · Oct 2, 2026
Eric Schmitt’s a Joke. The Assaults on Jack Smith Are Anything But.
The New Republic · Oct 2, 2026
