Employer-Sponsored Health Insurance Coverage and Eligibility 2025

Employer-sponsored health insurance remains the dominant source of coverage for working-age Americans, with 165.6 million people under the age of 65 receiving health benefits through their jobs as of March 2025, according to a recent analysis by KFF using data from the Current Population Survey’s Annual Economic and Social Supplement.

This figure represents the largest single source of health coverage in the United States for non-elderly individuals, surpassing public programs like Medicaid and individual market plans. The data underscores the continued centrality of employer-based systems in the U.S. Healthcare landscape, even as policy debates focus on expanding public options or reforming private insurance markets.

The KFF analysis breaks down who among workers under 65 actually receives employer-sponsored coverage, who is offered it, and who is eligible but does not enroll. Findings show that while a majority of full-time workers are offered health benefits, significant gaps persist among part-time employees, low-wage workers, and those employed by small firms.

Approximately 78% of full-time workers in private industry were offered health insurance by their employers in 2025, compared to just 23% of part-time workers. Coverage offers were also strongly tied to wage level and firm size: nearly 90% of workers in firms with 200 or more employees received an offer of coverage, while fewer than half of those in companies with fewer than 50 workers were extended the same benefit.

Enrollment rates among those offered coverage also varied. About 72% of full-time workers who were eligible for employer-sponsored insurance chose to enroll, a figure influenced by premium costs, out-of-pocket expenses, and the availability of alternative coverage through a spouse’s plan or public programs like Medicaid. Among low-income workers offered coverage, enrollment dropped to 58%, suggesting affordability remains a barrier even when access is theoretically available.

Demographic disparities were also evident. Hispanic workers were less likely than their white or Black counterparts to be offered employer-sponsored insurance, reflecting broader patterns of occupational segregation and overrepresentation in industries such as agriculture, construction, and hospitality, where benefits are less commonly provided. Workers without a high school diploma were offered coverage at roughly half the rate of those with a bachelor’s degree or higher.

The reliance on employer-sponsored insurance has long shaped U.S. Healthcare policy, influencing everything from tax policy to labor negotiations. Employer contributions to health premiums are excluded from taxable income, a provision that costs the federal government an estimated $300 billion annually in foregone revenue but remains politically entrenched due to its widespread popularity among workers who value the benefit.

Despite its prevalence, the employer-based model faces mounting pressure. Rising healthcare costs have led some employers to shift more financial responsibility onto workers through higher deductibles and co-pays, while others have reduced offerings or moved to narrow-network plans. Meanwhile, the growth of alternative work arrangements — including gig economy jobs and contract labor — has left millions without access to traditional employer benefits.

Policy proposals to expand public coverage, such as lowering the Medicare eligibility age or creating a public option, often cite the fragility of employer-sponsored systems as a rationale for reform. Conversely, defenders of the current model argue that it provides stable, broad-based coverage and resists disruption to a system that most working Americans still rely on.

KFF’s analysis highlights that while employer-sponsored insurance covers a majority of non-elderly Americans, its reach is uneven and increasingly strained by economic and structural shifts in the labor market. For policymakers, the data reinforces the need to consider not only how many people are covered through work, but also under what conditions that coverage is offered, who is left out, and whether the system can adapt to a changing economy without leaving vulnerable workers behind.