Potassium nitrate production has grown substantially in response to rising demand from precision agriculture, specialty fertilizers, and the electronics sector. Global output increased from about 1.1 million tons in 2018 to 1.56 million tons in 2024, achieving a CAGR of nearly 5.8%. Major production centers include China, India, Spain, and Israel, leveraging cost-effective potassium chloride and nitric acid feedstocks.