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Rep. Jeff Duncan

Representative for South Carolina’s 3rd District

pronounced jef // DUN-kun

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Duncan is the representative for South Carolina’s 3rd congressional district (view map) and is a Republican. He has served since Jan 5, 2011. Duncan is next up for reelection in 2022 and serves until Jan 3, 2023.

Duncan is among the Republican legislators who, by calling for entire states to be disenfranchised in the 2020 presidential election, fomented the terrorist attack on the Capitol on January 6, 2021 that aimed to prevent the determination of the next president of the United States. Shortly after the 2020 election, Duncan joined a case before the Supreme Court calling for all the votes for president in Georgia, Michigan, Pennsylvania, and Wisconsin — states that were narrowly won by Democrats — to be discounted, claiming that some voters there followed procedures set by the wrong state officials. The case amplified lies and conspiracy theories that fueled the movement that led to the attack on the Capitol. The Supreme Court rejected the case. Following the rejection of several cases before the Supreme Court, one legislator called for violence. On January 6, 2021 in the hours after the attack on the Capitol, Duncan voted for the exclusion of Arizona and/or Pennsylvania — states narrowly won by Democrats — from the count of Electoral College votes that determined the next President of the United States.
Photo of Rep. Jeff Duncan [R-SC3]

Analysis

Legislative Metrics

Read our 2020 Report Card for Duncan.

Ideology–Leadership Chart

Duncan is shown as a purple triangle ▲ in our ideology-leadership chart below. Each dot is a member of the House of Representatives positioned according to our ideology score (left to right) and our leadership score (leaders are toward the top).

The chart is based on the bills Duncan has sponsored and cosponsored from Jan 3, 2017 to Feb 22, 2021. See full analysis methodology.

Ratings from Advocacy Organizations

The Club for Growth: 94% United States Chamber of Commerce: 70% The National Organization for the Reform of Marijuana Laws: C League of Conservation Voters: 3% Human Rights Campaign: 0% Planned Parenthood Action Fund: 0%

Enacted Legislation

Duncan was the primary sponsor of 1 bill that was enacted:

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Does 1 not sound like a lot? Very few bills are ever enacted — most legislators sponsor only a handful that are signed into law. But there are other legislative activities that we don’t track that are also important, including offering amendments, committee work and oversight of the other branches, and constituent services.

We consider a bill enacted if one of the following is true: a) it is enacted itself, b) it has a companion bill in the other chamber (as identified by Congress) which was enacted, or c) if at least about half of its provisions were incorporated into bills that were enacted (as determined by an automated text analysis, applicable beginning with bills in the 110th Congress).

Bills Sponsored

Issue Areas

Duncan sponsors bills primarily in these issue areas:

Immigration (24%) Government Operations and Politics (24%) International Affairs (18%) Taxation (8%) Health (8%) Crime and Law Enforcement (8%) Energy (5%) Public Lands and Natural Resources (5%)

Recent Bills

Some of Duncan’s most recently sponsored bills include...

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Voting Record

Key Votes

Duncan voted Yea

Passed 310/107 on Jul 22, 2020.

Duncan voted Nay

Passed 338/88 on May 13, 2015.
The USA Freedom Act (H.R. 2048, Pub.L. 114–23) is a U.S. law enacted on June 2, 2015 that restored in modified form several provisions of ...

Duncan voted Nay

Passed 219/206 on Dec 11, 2014.
This bill became the vehicle for passage of the Consolidated and Further Continuing Appropriations Act, 2015 [pdf], which was approved by the House on December ...

Duncan voted No

Duncan voted Nay

Duncan voted No

Passed 304/117 on Jun 23, 2011.
The Leahy–Smith America Invents Act (AIA) is a United States federal statute that was passed by Congress and was signed into law by President Barack ...

Missed Votes

From Jan 2011 to Feb 2021, Duncan missed 186 of 6,331 roll call votes, which is 2.9%. This is worse than the median of 2.0% among the lifetime records of representatives currently serving. The chart below reports missed votes over time.

We don’t track why legislators miss votes, but it’s often due to medical absenses and major life events.

Show the numbers...

Primary Sources

The information on this page is originally sourced from a variety of materials, including: