The density of computed tomography (CT) scanners in the US ambulatory sector showed considerable fluctuations from 2013 to 2023. In 2013, it was 16.53 units per million persons and declined to a low of 13.84 in 2015. A recovery phase began in 2016, with a noticeable increase to 16.54 by 2019. Minor oscillations were seen through 2023, stabilizing at 16.05 units per million persons. The year-on-year variation from 2022 to 2023 was 1.33%, with an overall CAGR of 0.58% over the last five years.

Future trends to watch for:

Steady growth in the density of CT scanners, forecasted to reach 16.92 units per million persons by 2028.
An average annual growth rate of approximately 0.82% from 2024 to 2028.
Potential impacts of technological advancements and healthcare policy changes on scanner density.