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Party support scores for Utah legislators, 2015

The scores below show how often (as a percent) each legislator votes with his/her party in the Utah legislature. If the legislator is a House Democrat and the majority of House Democrats vote "aye," then the legislator supports the party majority if he/she also votes "aye." I ignore votes where the legislator's party was tied. I also ignore votes where the legislator was absent.

Most votes pass by an overwhelming margin, with a majority of Republicans voting the same way as a majority of Democrats. (See details on party-line voting and consensus voting.) As such, the "overall" party support scores (which include all votes, even unanimous ones) tend to be inflated. We can get a more accurate estimate of each legislator's true party support score by looking only at "party-line" votes—that is, those few votes where the majority of Republicans votes against the majority of Democrats. By looking only at party-line votes, the "party support (party-line only)" column estimates how each legislator votes when his/her party really needs his/her support.

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Years. By default, you will see scores from the most recent session for which I have data, which is 2019. Click on of the links below to see a different year.

Select a year: - 2007 - 2008 - 2009 - 2010 - 2011 - 2012 - 2013 - 2014 - 2015 - 2016 - 2017 - 2018 - 2019

The data

Legislator Party Chamber Party support (overall) Party support (party-line only)
Adams, J. Stuart (details) R Senate 99.2% 92.2%
Anderegg, Jacob L. (details) R House 89.3% 85.3%
Anderson, Johnny (details) R House 90.9% 64.4%
Arent, Patrice M. (details) D House 97.9% 95.4%
Barlow, Stewart (details) R House 93.5% 86.8%
Bramble, Curtis S. (details) R Senate 98.2% 90.2%
Briscoe, Joel K. (details) D House 97.3% 96.7%
Brown, Melvin R. (details) R House 93.5% 79.3%
Chavez-Houck, Rebecca (details) D House 97.5% 93.3%
Chew, Scott H. (details) R House 92.3% 80.2%
Christensen, Allen M. (details) R Senate 95.0% 87.9%
Christensen, LaVar (details) R House 96.6% 88.4%
Christofferson, Kay J. (details) R House 95.5% 95.6%
Coleman, Kim (details) R House 92.1% 89.8%
Cox, Fred C. (details) R House 91.4% 72.5%
Cox, Jon (details) R House 92.4% 74.7%
Cunningham, Rich (details) R House 92.8% 77.4%
Cutler, Bruce R. (details) R House 91.8% 63.7%
Dabakis, Jim (details) D Senate 98.2% 90.6%
Davis, Gene (details) D Senate 97.4% 76.1%
Daw, Bradley M. (details) R House 92.8% 85.4%
Dayton, Margaret (details) R Senate 86.5% 76.6%
Dee, Brad L. (details) R House 95.8% 85.7%
DiCaro, Sophia M. (details) R House 94.7% 77.8%
Draxler, Jack R. (details) R House 93.5% 70.1%
Duckworth, Susan (details) D House 96.8% 86.4%
Dunnigan, James A. (details) R House 94.5% 76.3%
Edwards, Rebecca P. (details) R House 93.2% 57.3%
Eliason, Steve (details) R House 96.0% 83.3%
Escamilla, Luz Robles (details) D Senate 98.6% 100.0%
Fawson, Justin L. (details) R House 92.9% 83.1%
Froerer, Gage (details) R House 94.3% 80.9%
Gibson, Francis D. (details) R House 91.0% 87.5%
Greene, Brian M. (details) R House 86.9% 89.9%
Grover, Keith (details) R House 93.0% 86.0%
Hall, Craig (details) R House 92.0% 52.2%
Handy, Stephen G. (details) R House 94.2% 67.8%
Harper, Wayne A. (details) R Senate 93.6% 65.2%
Hawkes, Timothy D. (details) R House 95.5% 85.4%
Henderson, Deidre M. (details) R Senate 93.0% 75.8%
Hillyard, Lyle W. (details) R Senate 94.7% 78.0%
Hinkins, David P. (details) R Senate 94.1% 66.1%
Hollins, Sandra (details) D House 98.4% 95.6%
Hughes, Gregory H. (details) R House 95.0% 87.1%
Hutchings, Eric K. (details) R House 93.9% 81.9%
Ipson, Don L. (details) R House 97.0% 90.7%
Ivory, Ken (details) R House 92.7% 93.0%
Iwamoto, Jani (details) D Senate 98.1% 97.1%
Jackson, Alvin B. (details) R Senate 94.9% 83.3%
Jenkins, Scott K. (details) R Senate 91.0% 78.5%
Kennedy, Michael S. (details) R House 90.4% 81.1%
King, Brad (details) D House 94.9% 73.6%
King, Brian S. (details) D House 97.5% 89.7%
Knotwell, John (details) R House 88.8% 92.0%
Knudson, Peter C. (details) R Senate 97.4% 84.8%
Last, Bradley G. (details) R House 96.8% 87.1%
Lifferth, David E. (details) R House 94.0% 87.8%
Madsen, Mark B. (details) R Senate 90.9% 84.7%
Mayne, Karen (details) D Senate 98.1% 79.1%
McCay, Daniel (details) R House 84.8% 85.7%
McIff, Kay L. (details) R House 95.5% 75.3%
McKell, Mike K. (details) R House 92.7% 84.5%
Miller, Justin J. (details) D House 95.2% 74.4%
Millner, Ann (details) R Senate 98.7% 85.7%
Moss, Carol Spackman (details) D House 98.4% 91.1%
Nelson, Merrill F. (details) R House 91.5% 66.7%
Niederhauser, Wayne L. (details) R Senate 98.5% 91.4%
Noel, Michael E. (details) R House 95.6% 90.6%
Oda, Curtis (details) R House 92.4% 92.3%
Okerlund, Ralph (details) R Senate 98.8% 86.6%
Osmond, Aaron (details) R Senate 97.2% 85.5%
Perry, Lee B. (details) R House 93.8% 72.2%
Peterson, Jeremy A. (details) R House 94.5% 79.8%
Peterson, Val L. (details) R House 91.1% 91.2%
Pitcher, Dixon M. (details) R House 94.2% 70.7%
Poulson, Marie H. (details) D House 98.5% 93.3%
Powell, Kraig (details) R House 92.1% 57.3%
Ray, Paul (details) R House 95.1% 84.1%
Redd, Edward H. (details) R House 92.6% 71.9%
Roberts, Marc K. (details) R House 86.9% 84.1%
Romero, Angela (details) D House 97.8% 92.3%
Sagers, Douglas (details) R House 93.8% 77.4%
Sandall, Scott D. (details) R House 95.3% 85.2%
Sanpei, Dean (details) R House 97.1% 92.4%
Schultz, Mike (details) R House 96.1% 91.1%
Shiozawa, Brian E. (details) R Senate 94.9% 53.0%
Snow, V. Lowry (details) R House 95.9% 75.3%
Spendlove, Robert M. (details) R House 95.0% 74.4%
Stanard, Jon E. (details) R House 93.9% 93.9%
Stephenson, Howard A. (details) R Senate 92.2% 90.9%
Stevenson, Jerry W. (details) R Senate 97.4% 90.0%
Stratton, Keven J. (details) R House 90.6% 91.2%
Tanner, Earl D. (details) R House 93.4% 78.0%
Thatcher, Daniel W. (details) R Senate 97.6% 95.3%
Thurston, Norman K. (details) R House 88.1% 74.7%
Urquhart, Stephen H. (details) R Senate 97.7% 82.5%
Van Tassell, Kevin T. (details) R Senate 96.5% 80.0%
Vickers, Evan J. (details) R Senate 94.3% 63.6%
Ward, Raymond P. (details) R House 93.4% 65.9%
Webb, R. Curt (details) R House 94.0% 80.0%
Weiler, Todd (details) R Senate 97.9% 82.1%
Westwood, John R. (details) R House 94.2% 75.8%
Wheatley, Mark A. (details) D House 97.4% 83.9%
Wilson, Brad R. (details) R House 96.3% 90.0%