The inland waterways infrastructure investment in the United States, expressed in US dollars per inhabitant, has fluctuated significantly since 2013. The peak was observed in 2016 with a rapid growth phase, followed by a notable decline from 2017 onward. From 2022 into 2023, stability was observed, with minor downturns contributing to a negligible overall reduction. As of 2023, the investment was at 0.75 units.

Future trends to watch for:

Sustained low investment levels with consistent year-to-year stability.
The projected 5-year CAGR and growth rate suggest a slightly declining trend through 2028.
Strategic shifts or policy changes could alter the forecast.