Monthly Budget Review: June 2026

The federal budget deficit totaled $1.4 trillion in the first nine months of fiscal year 2026, CBO estimates. That amount is $35 billion more than the deficit recorded during the same period last fiscal year.

Options to Counter Small Unmanned Aircraft Systems

CBO describes current methods to detect and counter small unmanned aircraft systems and estimates it would cost about $74 million to outfit a typical military installation with a layered defense and at least $5 million a year to support it.

An Analysis of Spending Proposals in the President's 2027 Budget

CBO estimates how the proposals in the President's budget request for 2027 would affect mandatory and discretionary spending over the 2027–2036 period.

The Treasury's Assistance to the Airline Industry and National Security Businesses During the COVID-19 Pandemic

CBO examines the terms and conditions of the Treasury's assistance provided to airlines and national security businesses during the COVID-19 pandemic and the resulting economic and budgetary effects.

Monthly Budget Review: May 2026

The federal budget deficit totaled $1.2 trillion in the first eight months of fiscal year 2026, CBO estimates. That amount is $116 billion less than the deficit recorded during the same period last fiscal year.

Risk Sharing in the Federal Reserve's Emergency Lending Facilities During the COVID-19 Pandemic

CBO describes the role the Federal Reserve plays in stabilizing financial markets during crises and estimates the costs of programs created during the COVID-19 pandemic to provide liquidity and address stress in financial markets.

Increasing the Size and Missile Capability of the Navy's Fleet Within the Next Five Years

CBO examines three options to quickly increase the offensive lethality of the U.S. Navy's fleet of surface ships by 2030.

Potential Costs of a National Missile Defense System

CBO estimates that a national missile defense system possessing capabilities broadly consistent with those in the "The Iron Dome for America" executive order would cost about $1.2 trillion to develop, deploy, and operate for 20 years.

Monthly Budget Review: April 2026

The federal budget deficit totaled $955 billion in the first seven months of fiscal year 2026, CBO estimates. That amount is $94 billion less than the deficit recorded during the same period last fiscal year.

Answers to Questions for the Record Following a Hearing on The Budget and Economic Outlook: 2026 to 2036

The Subcommittee on Fiscal Responsibility and Economic Growth of the Senate Committee on Finance convened a hearing at which CBO's Director testified. This document provides CBO's answers to questions submitted for the record.