Chuck Grassley — U.S. Senator from Iowa

Chuck Grassley is a Republican Senator representing Iowa, serving a term from 2023-01-03 to 2029-01-03.

Overview

PartyRepublican
ChamberSenator
StateIowa
Current term2023-01-03 – 2029-01-03
Born1933-09-17
Bioguide IDG000386

Election & Term History

Chuck Grassley has held 11 terms in Congress on record, first elected in 1975.

TermOfficeParty
1975-01-14 – 1977-01-03 U.S. Representative for IA-3 Republican
1977-01-04 – 1979-01-03 U.S. Representative for IA-3 Republican
1979-01-15 – 1981-01-03 U.S. Representative for IA-3 Republican
1981-01-05 – 1987-01-03 U.S. Senator from Iowa Republican
1987-01-06 – 1993-01-03 U.S. Senator from Iowa Republican
1993-01-05 – 1999-01-03 U.S. Senator from Iowa Republican
1999-01-06 – 2005-01-03 U.S. Senator from Iowa Republican
2005-01-04 – 2011-01-03 U.S. Senator from Iowa Republican
2011-01-05 – 2017-01-03 U.S. Senator from Iowa Republican
2017-01-03 – 2023-01-03 U.S. Senator from Iowa Republican
2023-01-03 – 2029-01-03 U.S. Senator from Iowa Republican

Voting Record

In the 119th Congress, Chuck Grassley has cast 862 recorded votes. Based on DW-NOMINATE ideology scoring (Voteview, UCLA) -- a standard academic measure derived from actual roll-call vote patterns, not self-description -- Chuck Grassley is more liberal than 93% of Senate Republicans on the liberal-conservative spectrum this Congress.

Ideology score (DW-NOMINATE, dim. 1)0.363
Position within partymore liberal than 93% of Senate Republicans
Recorded votes this Congress862
Votes with own party99.2% of contested roll-call votes
Missed votes24 of 890 (2.7%)

Scale runs roughly -1 (most liberal) to +1 (most conservative); scores are relative rankings among the member's own chamber and party, not an absolute measure. "Votes with own party" compares each Yea/Nay vote to that party's majority position on the same roll call, for every recorded vote so far in the 119th Congress.

Frequently Asked Questions

What party is Chuck Grassley in?

Chuck Grassley is a Republican, currently serving as U.S. Senator from Iowa.

How long has Chuck Grassley served in Congress?

Chuck Grassley's first term on record began in 1975, and their current term runs from 2023-01-03 to 2029-01-03.

Has Chuck Grassley served in both the House and Senate?

Yes. Chuck Grassley's term history includes service in both the House of Representatives and the Senate -- see the full election and term history table above.

How does Chuck Grassley's voting record compare to the rest of their party?

Based on DW-NOMINATE ideology scoring (Voteview, UCLA), Chuck Grassley is more liberal than 93% of Senate Republicans in the 119th Congress, having cast 862 recorded votes.

How often does Chuck Grassley vote with their own party?

Chuck Grassley has voted with the majority of their own party on 99.2% of contested roll-call votes so far in the 119th Congress, missing 24 of 890 recorded votes (2.7%).

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