Statistical Brief 556: Concentration of Healthcare Expenditures and Selected Characteristics of Persons With High Expenses, United States Civilian Noninstitutionalized Population, 2018-2021. This Statistical Brief uses data from the 2021 Medical Expenditure Panel Survey-Household Component (MEPS-HC) to explore the concentration of healthcare expenditures and other selected characteristics of persons with high expenses.

https://meps.ahrq.gov/mepsweb/