US capacity utilization increased to 76.3% in December 2025, up from 76.1% in November and slightly above market expectations of 76.0%. Despite the modest improvement, the overall rate remained 3.2 percentage points below its long-run average for the period 1972–2024, indicating continued slack in productive capacity. Capacity utilization in the manufacturing sector was unchanged at 75.6%, standing 2.6 percentage points below its long-run average. Meanwhile, utilization in mining declined by 0.5 percentage point to 85.7%, while the utilities operating rate rose by 1.6 percentage points to 72.3%. Relative to historical norms, mining utilization remained 0.5 percentage point above its long-run average, whereas utilities utilization continued to be well below its long-run average.