In 2023, the US imported an estimated 85.300 million kilograms of potassium sulphate. Forecasts indicate a gradual decline in imports through 2028, with annual decreases around 0.5% to 0.6%. The compound annual growth rate (CAGR) for the period from 2024 to 2028 is approximately -0.4%, highlighting a slight downward trend in import volumes.

Future trends to monitor include:

Potential changes in domestic production capabilities that could impact reliance on imports.
Global market conditions affecting potassium sulphate supply and pricing.
Shifts in agricultural and industrial demand within the US.
Regulatory changes regarding import tariffs or agricultural policies.