About 4.4% of commercially insured Americans in 2016 were diagnosed with depression, representing more than nine million of the 216.2 million with commercial health insurance that year. The number of commercially insured Americans with depression rose by 33% between 2013 and 2016. In 2013, about six million were diagnosed with depression; they represented about 2.9% of the 201.0 million with commercial health insurance in 2013. Among those diagnosed with depression in 2016, about 22% (two million people) did not seek treatment. These findings were reported by the Blue Cross Blue Shield Association in its study, "Two . . .