Military Personnel Struggle Under Cost of Living: GAO

Why It Matters

For the more than 1.3 million active-duty service members stationed across some 3,500 locations worldwide, a military cost-of-living allowance can mean the difference between financial stability and falling behind on groceries, transportation, and basic household expenses. A new report from the Government Accountability Office finds that the Department of Defense needs to improve the processes it uses to calculate those allowances, raising questions about whether service members in high-cost locations are receiving accurate and adequate support.

The report, GAO-26-107490, released April 30, 2026, does not suggest fraud or deliberate underpayment. But it does signal that the methodology DOD uses to determine who gets what, and how much, has gaps that could leave some personnel under-compensated while others may receive allowances that do not reflect current conditions on the ground.

How the System Works

The military cost-of-living allowance system is designed to cushion the financial impact of being assigned to a location where everyday expenses run higher than average. DOD draws on three core data sources to calculate these allowances: information on military household spending patterns, location-specific surveys that capture where and how service members shop, and price data for goods and services at each duty station.

A service member stationed in a high-cost urban area or an overseas assignment should not have to absorb the financial difference out of pocket simply because of where the military sent them. COLAs are meant to neutralize that disadvantage, keeping military compensation overseas and at domestic high-cost installations roughly equivalent in purchasing power to what a service member would experience at a baseline location.

The GAO's title alone, "DOD Should Improve Processes for Determining Cost-of-Living Allowances," signals that auditors found the current system wanting. While the full report details the specific deficiencies and recommendations, the description indicates that the methodology relies on data that may not consistently reflect how military families actually spend money or what prices they actually face in a given location.

Location-specific surveys of shopping patterns are a core input, but surveys are only as reliable as their frequency, sample size, and methodology. If surveys are outdated, incomplete, or inconsistently administered across the more than 3,500 locations where DOD places personnel, the resulting cost-of-living adjustment calculations could be systematically skewed, either overstating or understating the real financial burden on service members.

Political Stakes

Military personnel allowances are not a minor line item. For many service members, particularly junior enlisted personnel who form the bulk of the force, allowances like COLA and the military housing allowance represent a significant portion of total compensation. Base pay alone often does not cover the full cost of living in expensive duty stations, and families rely on these supplemental payments to make ends meet.

When the underlying data driving those calculations is flawed or outdated, the consequences are concrete. A family stationed in a high-cost metropolitan area or on an overseas assignment who receives a COLA based on stale survey data may find that the allowance covers far less than it was designed to. That gap comes out of family budgets, not the Pentagon's.

The issue is particularly acute for service members on cost-of-living adjustment military calculations tied to overseas assignments, where currency fluctuations, local inflation, and supply chain differences can shift the cost of basic goods significantly from one year to the next. A methodology that does not keep pace with those shifts creates real financial exposure for the personnel it is supposed to protect.

The Bottom Line

Military compensation and quality of life have been recurring concerns in Congress and across the defense policy community for years. Recruiting and retention challenges have pushed lawmakers and Pentagon officials to examine whether the total compensation package the military offers remains competitive, not just in terms of base pay, but in the full suite of allowances, benefits, and support systems that determine whether a service member and their family can live comfortably.

Cost-of-living allowances are governed under federal statute covering pay and allowances for the uniformed services, and the annual National Defense Authorization Act regularly revisits military compensation policy. A GAO finding that DOD's processes for calculating these allowances need improvement gives lawmakers concrete material to work with as they consider whether statutory or regulatory changes are needed to ensure the system functions as intended.

GAO reports of this type typically include specific recommendations directed at the agency under review. The report's framing, that DOD "should improve" its processes, suggests auditors identified actionable steps the department can take to strengthen data collection, update survey methodologies, or tighten the procedures used to translate raw price data into actual allowance calculations. DOD's response to those recommendations (and the timeline for implementation) will determine whether the findings produce meaningful change for service members or remain on a shelf.

The department has historically responded to GAO recommendations with varying degrees of urgency. For a report touching military compensation, the political pressure to act is real. Few issues in defense policy generate more direct constituent interest than whether service members are being paid fairly and supported adequately, and members of Congress who oversee military personnel policy will be watching how DOD responds.

The full report is available at gao.gov/products/gao-26-107490.

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