2017 report from the Kem C. Gardner Policy Institute finds that Utah has the highest total fertility rate in the nation.
"Utah's Fertility Since the Great Recession," Fact Sheet, Kem C. Gardner Policy Institute, University of Utah, October 2017
Utah's Fertility Rate
• Utah maintains the highest total fertility rate in the nation with 2.29 births per woman in 2015. The U.S. total fertility rate for the same year is 1.84.
• Between 2003 and 2015, Utah experienced its highest total fertility rate in 2007, peaking at 2.68.
• Utah’s total fertility rate and annual births have continued to decline since 2008.
• Age-specific fertility rates from 2003 to 2015 reveal decreases for mid-teens, late teens, and those in their early 20s, and slight increases to those in their late 30s and 40s.
• Median age at first marriage has steadily increased over the past decade from 22.1 in 2005 to 24.3 in 2015.
[Figure 1]