PolicyBrief
S. 2152
119th CongressJun 24th 2025
Allied Burden Sharing Report Act
IN COMMITTEE

This act requires the annual submission of a report detailing allied defense spending and contributions to shared security efforts.

Mike Lee
R

Mike Lee

Senator

UT

LEGISLATION

New Defense Report Mandates Annual Check-Up on Allied Spending, Listing Who Pays What by March 1st

The newly proposed Allied Burden Sharing Report Act is essentially a mandate for an annual, detailed financial audit of our global defense partners. By March 1st every year, the Secretary of Defense must deliver a report to Congress that lays out exactly what key allies are spending on defense and how they are contributing to shared missions. Think of it as the government finally creating a standardized, public spreadsheet to track who’s pulling their weight on the global security team.

The Global Security Scorecard

This bill cuts straight to the numbers. The annual report must provide two key financial metrics for every country on the list: their total defense budget in nominal dollars and, critically, that budget expressed as a percentage of their Gross Domestic Product (GDP). This GDP percentage is the crucial metric for measuring “burden sharing.” For busy people, this means that every year, Congress and the public will get clear, comparable data on whether allies are hitting their agreed-upon defense spending targets. This isn’t just about NATO members; the list of countries includes every member of the Gulf Cooperation Council, the Rio Treaty nations (covering much of Latin America), and key Pacific partners like Japan, South Korea, and Australia.

Beyond the Budget: Mission Control and Restrictions

It’s not only about the money; the report also tracks participation. The Secretary of Defense must detail any military or stability missions those countries participated in alongside U.S. forces. This means if an ally sends troops, ships, or planes to a joint operation, that participation gets logged. But here’s where it gets interesting: the report must also highlight any restrictions that country placed on how their military contributions could be used. For example, if a country’s parliament only allows its troops to operate during daylight hours or prohibits them from engaging in certain types of combat, that restriction has to be noted. Furthermore, the report must describe any attempts by the U.S. or other allies to get around those restrictions.

Real-World Transparency for the Taxpayer

For the average American taxpayer, this bill is about transparency and accountability. While it doesn't directly change your taxes or military policy, it formalizes the data used to make those decisions. The bill requires the main report to be submitted in an unclassified format, meaning this information will be publicly available. If you’re paying attention to foreign policy debates, this annual report will become the central source of facts on who is spending what, providing concrete data points instead of just political rhetoric. The immediate impact is mostly administrative, increasing the reporting burden on the Department of Defense, but the long-term effect is giving Congress and the public a much clearer, standardized view of the global defense financial landscape every spring.