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Party batting averages Utah legislature

A party's "batting average" reflects the percentage of its bills that manage to pass through the entire legislative process. It won't surprise anybody that bills sponsored by majority party legislators are more likely to pass than minority party bills. What might surprise people is how much these "batting averages" vary from year to year. Some years, minority party legislators pass most of their bills; other years, only a fraction of their bills even come to a vote.

Why might the minority party have a higher batting average some years than others? It boils down to two factors. First, whether the minority party puts forward bills that are likely to attract support from majority party legislators (as opposed to running boutique bills that won't draw cross-party support). Second, whether the majority party leadership chooses to exercise its institutional powers to prevent minority party bills from ever coming to a vote. The data shown here cannot tell you which of those mechanisms is operating from year to year, but there are certainly some intriguing trends.

Batting averages 1: What percentage of bills get PASSED?

The figures in this section show the percentage of introduced bills (by party) that ultimately passed the Legislature. ("Passed" means "enrolled"; I ignore gubernatorial vetoes here.)

Overall (both chambers pooled)

Without accounting for chamber, this figure shows how Republican- and Democratic-sponsored bills have fared in recent sessions.

Year Republicans Democrats Difference
2007 62% 38% 24%
2008 62% 41% 21%
2009 71% 32% 39%
2010 72% 45% 27%
2011 68% 46% 22%
2012 64% 55% 9%
2013 73% 43% 30%
2014 64% 49% 15%
2015 65% 52% 13%
2016 59% 53% 6%

The Utah House

Same thing, but looking only at the Utah House

Year Republicans Democrats Difference
2007 59% 23% 36%
2008 57% 35% 22%
2009 68% 29% 39%
2010 72% 41% 31%
2011 63% 38% 25%
2012 56% 55% 1%
2013 73% 38% 35%
2014 56% 49% 7%
2015 60% 48% 12%
2016 51% 52% 1%

The Utah Senate

Same thing, but looking only at the Utah Senate

Year Republicans Democrats Difference
2007 65% 58% 7%
2008 69% 52% 17%
2009 76% 37% 39%
2010 73% 55% 18%
2011 75% 58% 17%
2012 78% 56% 22%
2013 73% 50% 23%
2014 76% 50% 26%
2015 71% 58% 13%
2016 73% 55% 18%

Batting averages 2: What percentage of bills get A VOTE?

The figures in this section show the percentage of introduced bills (by party) that received at least one floor vote.

Overall (both chambers pooled)

Without accounting for chamber, this figure shows how Republican- and Democratic-sponsored bills have fared in recent sessions.

Year Republicans Democrats Difference
2007 81% 67% 14%
2008 81% 65% 16%
2009 85% 50% 35%
2010 80% 56% 24%
2011 77% 60% 17%
2012 77% 72% 5%
2013 80% 56% 24%
2014 78% 69% 9%
2015 79% 68% 11%
2016 76% 59% 17%

The Utah House

Same thing, but looking only at the Utah House

Year Republicans Democrats Difference
2007 78% 63% 15%
2008 78% 59% 19%
2009 83% 43% 40%
2010 78% 49% 29%
2011 73% 53% 20%
2012 72% 70% 2%
2013 78% 48% 30%
2014 72% 69% 3%
2015 74% 65% 9%
2016 70% 60% 10%

The Utah Senate

Same thing, but looking only at the Utah Senate

Year Republicans Democrats Difference
2007 86% 73% 13%
2008 87% 75% 12%
2009 89% 60% 29%
2010 84% 71% 13%
2011 84% 68% 16%
2012 86% 75% 11%
2013 83% 66% 17%
2014 88% 71% 17%
2015 87% 73% 14%
2016 89% 59% 30%