Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

People / Compare / Chuck Grassley and Joni Ernst

How do Chuck Grassley and Joni Ernst compare?

Chuck Grassley and Joni Ernst voted the same way on 99% of the 874 roll calls where both voted in the 119th Congress (median for two Senate members of the same party 95%), as of Nov 5, 2026.

Both represent Iowa in the Senate.

Chuck Grassley and Joni Ernst, side by side
MeasureGrassleyErnstSenate median
Attendance97%98%98%
With own party, party-line votes99%100%99%
Same vote as the other party9%8%9%

Source: Voteview: Grassley · Voteview: Ernst · How we measure · Updated Nov 5, 2026

Where they agree and split, by policy area

Agreement by policy area
Policy areaSame voteVotes both cast
Economics and Public Finance97%188
Armed Forces and National Security94%16
Immigration97%32
International Affairs100%35
Congress100%19
Environmental Protection100%19