Health care spending in the U.S. will grow at an average annual rate of 5.5 percent from 2017 through 2026, according to new estimates published in Health Affairs by the Office of the Actuary at the Centers for Medicare and Medicaid Services (CMS).

The projections mean that health care spending would rise as a share of the economy from 17.9 percent in 2016 to 19.7 percent in 2026.