Explaining Analytical Methods

CBO estimates that the Center for Medicare & Medicaid Innovation’s (CMMI’s) activities increased federal spending between 2011 and 2020 and will also increase it from 2021 to 2030. In 2010, CBO projected that CMMI would produce savings.

In 2023, federal subsidies for health insurance are estimated to be $1.8 trillion, or 7.0 percent of gross domestic product (GDP). In CBO and JCT’s projections, those net subsidies reach $3.3 trillion, or 8.3 percent of GDP, in 2033.

CBO describes features of the Medicare and Medicaid improvement funds and how the funds are accounted for in CBO’s baseline and cost estimates.

HISIM2 is an updated version of the model CBO uses to generate estimates of health insurance coverage and premiums for people under age 65.

CBO describes how the prices of brand-name prescription drugs are determined in different federal programs and compares drug prices among those programs in 2017.

This report explains how CBO defines health insurance coverage, describes how CBO combines data from various sources to produce estimates of different types of coverage in past years, and shows such estimates for the years 2015 to 2018.

This report describes the methods used to assess how the new rules would affect the number of people who obtain health insurance and the costs of federal subsidies for that coverage. It also provides details about those projected effects.