US employers expect nearly 6% spike in health insurance costs in 2025, Mercer says U.S. employers expect health insurance costs to rise an average 5.8% in 2025, largely due to increased cost of medical services as well as higher use, according to a survey released by consulting firm Mercer on Thursday. https://www.reuters.com/markets/us/us-employers-expect-nearly-6-spike-health-insurance-costs-2025-mercer-says-2024-09-12/