AHRQ MEPS Statistical Brief #521.
URL: https://meps.ahrq.gov/data_files/publications/st521/stat521.shtml
Abstract. AHRQ MEPS Statistical Brief #521 (February 2019) documenting that the top 5% of healthcare spenders accounted for 50.0% of total US healthcare expenditure in 2016, with an annual mean expenditure of $50,077.