Lobbying spending in the United States remains heavily concentrated in a small set of policy areas, reflecting the priorities of major industries and corporations seeking to shape federal legislation. Data from OpenSecrets, a nonpartisan research group that tracks money in U.S. politics based on federal disclosures, shows that the Fed budget, taxes, health, defense and trade were the most lobbied issues in Washington in 2025, if we look at the number of related lobbyists and clients.
In terms of activity, federal budget and appropriations issues attracted the largest number of lobbyists in 2025, with roughly 5,700 registered advocates working on these topics, alongside more than 5,100 clients. Tax-related issues followed closely, engaging over 5,200 lobbyists, although representing a smaller pool of around 2,400 clients. Health issues also ranked prominently, with about 4,200 lobbyists and more than 2,600 clients involved. Defense and trade rounded out the top 5, each drawing several thousand lobbyists (and 1,700 to 2,500 clients), highlighting the breadth of economic and strategic interests competing for influence in Washington.
Looking at the longer-term trend, inflation-adjusted lobbying expenditures have surged recently. After a period of relative stability between 2011 and 2024 ($4-4.5 billion), spending picked up last year at $5 billion according to OpenSecrets, as companies responded to heightened regulatory activity and geopolitical tensions. A closer look at the 2025 data highlights the concentration of spending among a limited number of actors. The top ten industries account for a significant share of total lobbying expenditures, with healthcare and finance-related sectors prominently represented alongside technology and energy. At the company level, the ten biggest spenders - including the U.S. Chamber of Commerce, Pharmaceutical Research & Manufacturers of America, the American Hospital Association, Meta and General Motors - each invested tens of millions of dollars in lobbying efforts.
