An Interactive Tool for Projecting Discretionary Spending, 2026 to 2036

CBO's interactive tool allows users to simulate the agency's process for projecting discretionary budget authority and outlays for different types of spending over the next 10 years.

How Changes in Discretionary Funding for the Budget Year Affect Outlays, 2027 to 2036: An Interactive Tool

This tool is a simplified version of the model that CBO uses to estimate baseline outlays from discretionary budget authority and to develop cost estimates for legislation that authorizes or provides discretionary appropriations.

How Changes in Economic Conditions Might Affect the Federal Budget, 2026 to 2036: An Interactive Tool

This tool allows users to define and analyze alternative economic scenarios and see how federal revenues, outlays, and deficits and debt under those scenarios might differ from outcomes in CBO's 10-year budget projections.

How Changes in Revenues and Outlays Would Affect Debt Service, Deficits, and Debt: 2026 to 2036

This tool allows users to see how changes in revenues or spending from CBO's February 2026 baseline projections would affect interest outlays, deficits, and debt.

How the 2025 Reconciliation Act (Public Law 119-21) Will Affect the Distribution of Resources Available to Households

CBO's interactive tool allows users to explore how the 2025 reconciliation act (P.L. 119-21) will affect the economic resources available to households grouped on the basis of their income.

How H.R. 1, the One Big Beautiful Bill Act, Would Affect the Distribution of Resources Available to Households

CBO's interactive tool allows users to explore how H.R. 1, the One Big Beautiful Bill Act, as passed by the House of Representatives on May 22, 2025, would affect the economic resources available to households grouped by income.

CBO’s Interactive Force Structure Tool

This tool allows the user to see the effects on the Department of Defense's total operation and support costs and on the size of the military of adding or subtracting tanks, ships, aircraft, and other units.

Workbook for How Changes in Economic Conditions Might Affect the Federal Budget: 2025 to 2035

This workbook allows users to define and analyze alternative economic scenarios by specifying differences in the values of four economic variables relative to the values underlying CBO’s January 2025 projections.

How Changes in Revenues and Outlays Would Affect Debt Service, Deficits, and Debt

This interactive workbook allows users to see how revenues and outlays that differed from those in CBO's January 2025 baseline budget projections would increase or decrease net interest costs and thus affect deficits and debt.

CBO’s Waterfall Model for Projecting Discretionary Spending, January 2025

CBO's interactive tool allows users to simulate the agency's process for projecting discretionary budget authority and outlays for different types of spending over the course of 10 years.