Ammonium Sulphate Market Expected to Reach USD 9.88 Billion by 2035, Growing at 4.95% CAGR

Market Research Future (MRFR) has published a thorough examination of the global Ammonium Sulfate Market. The market is estimated to be worth USD 6.10 billion in 2025 and is expected to increase to USD 6.40 billion in 2026. It is projected to reach USD 9.88 billion by 2035, with a compound annual growth rate (CAGR) of 4.95% during the forecast period of 2026–2035. The sustained investment in nitrogen fertilizers and sulfate fertilizers has been facilitated by the government-backed fertilizer subsidy programs in India, Brazil, and Southeast Asia, as well as the increasing global food demand. In 2024, the Nutrient-Based Subsidy scheme of India allocated more than USD 7.5 billion to fertilizer support, which directly increased the procurement of agrochemical fertilizers, such as ammonium sulfate.

Ammonium Sulfate Market Overview

A significant change is currently taking place in the manner in which producers approach soil nutrient additives. Balanced crop nutrition chemicals that provide both nitrogen and sulfur in a single application are supplementing and, in certain regions, replacing traditional urea-heavy regimes. As precision agriculture platforms expand, water-soluble fertilizers and blended fertilizer-grade chemicals are gaining popularity. The International Fertilizer Association anticipates that global sulfur fertilizer consumption will surpass 7.8 million tons in 2024, representing a 4.2% increase year-over-year.

The dual nitrogen-sulfur composition of ammonium sulfate makes it a preferred solution for remediating sulfur-depleted soils in the US Corn Belt, the Canadian Prairies, and Northern Europe. As a result of decades of intensive high-nitrogen fertilization, over 90% of US maize fields are sub-optimal in sulfur. The agronomic case for continued adoption is further supported by USDA field studies, which have revealed that corn yields in sulfur-treated plots are on average 8–12% higher than those in untreated controls. North America, which is anchored by corn-belt sulfur supplementation programs in the US Midwest, commands approximately 33% of the market. Asia-Pacific, on the other hand, is the fastest-growing region, with a forecast CAGR of 5.8% as agricultural intensification accelerates in India and China. The market is poised for sustained mid-single-digit growth through 2035, as sulfur-deficient soils and increasing protein-crop acreage maintain demand on an upward curve. Europe holds the second-largest share at approximately 24%, led by EU Integrated Nutrient Management policies.

Key Market Trends & Growth Drivers

• Global Population Growth and Food Security Pressure: In 2024, the global population increased by more than 71 million, and the United Nations anticipates that the population will reach 9.7 billion by 2050. This demographic engine directly increases caloric requirements, which in turn encourages farmers, particularly in India, where agriculture employs nearly 42% of the workforce, to adopt high-efficiency crop nutrition chemicals like ammonium sulfate.


• Sulfur Deficiency in Global Agricultural Soils: In the United States, maize fields are left with an annual supplementation deficit of approximately 1.8 million tons, which reinforces ammonium sulfate's status as the preferred dual-nutrient sulfate fertilizer. This is due to decades of intensive NPK fertilization with high nitrogen content, which has reduced soil sulfur stores across major grain-producing regions.


• Government Subsidy and Procurement Programs: Brazil's Plano Safra 2024-2025 allocates BRL 400.6 billion in agricultural loans, with an estimated 12% of this amount allocated to fertilizer-grade chemical purchases. Subsidy systems in India, Brazil, and Indonesia allocate nearly USD 15 billion annually to fertilizer procurement.


• Expansion of Protein-Rich Crop Acreage: In 2024, the global soybean planted area surpassed 134 million hectares, with 46 million hectares of soybeans being grown in Brazil alone, representing a 3.8% increase from the previous year. Soybeans, canola, and pulses are high-sulfur crops that require sulfur during protein synthesis, which reinforces the importance of ammonium sulfate as a soil supplement.


• Growth in Water-Soluble Fertilizers and Fertigation: The demand for liquid ammonium sulfate formulations is increasing, particularly among specialty crop producers in Israel, Spain, and India who require calibrated nutrient dosing through smart irrigation controllers, as a result of the adoption of drip-irrigation and precision agriculture platforms.


• Industrial By-Product Supply Dynamics: The worldwide availability of ammonium sulfate (55–60%) is primarily a by-product of operations such as caprolactam, coke-oven gas and nickel refining and producers that adopt purification and branding strategies on these by-product streams can tap into fertilizer-grade premiums and turn industrial waste liabilities into revenue.

Market Segmentation Insights

By End-Use: Solid ammonium sulfate accounts for the lion’s share at around 72% of the market, with granular and crystalline demand well suited to existing broadcast and banding equipment in row-crop agriculture. Liquid ammonium sulfate is growing at a 6.1% CAGR through 2035, fueled by accelerating fertigation and foliar-spray adoption among specialty crop growers in greenhouse and drip-irrigation systems.

By Application: Fertilizer applications account for USD 5.19 billion of the market’s 2025 value, accounting for over 85% of total volume as the compound’s acidifying capabilities are highly prized in alkaline soils in the US High Plains, India’s Indo-Gangetic Plain and Australia’s wheat belt. The food and feed additive applications are expected to record a CAGR of 5.4% as the bakery and feed milling industries use ammonium sulfate as a dough conditioner and aquaculture protein source. The pharmaceutical applications are used as a protein precipitation agent in biopharma production, accounting for ~4% of market share.

Regional Landscape

North America — Market Leader

North America makes up ~33% of the market, with the United States accounting for 78% of regional share as corn and soybean producers systematically address sulfur-depleted soils under USDA-NRCS cost-share programs that have funded sulfur management plans on >12 million acres since 2020. The canola sector in Canada (exports of CAD 14.3 billion in canola products in 2024) depends on dual nitrogen-sulfur fertilizer-grade chemicals, and Canada is growing at a 4.6% CAGR; Mexico’s protected-agriculture segment in Baja California and Sinaloa has a growing preference for water-soluble fertilizers for high-value vegetable and berry production.

Europe — Regulation-Driven Second-Largest Market

Europe accounts for some 24% of the worldwide share, led by the EU’s Farm-to-Fork Strategy, which targets a 20% decrease in nutrient losses by 2030. Germany holds 22% of the regional share with its rapeseed belt, where farmers follow DLG recommendations of 30-40 kg/ha sulfur annually. The UK is growing at a CAGR of 4.3%, supported by ELMS nutrient management post-Brexit, whereas France, valued at USD 0.21 billion in 2025, is driven by wheat and barley sulfur programs.

Asia-Pacific — Fastest-Growing Region

The Asia-Pacific region is likely to see the highest development trend in the market with a CAGR of 5.8% and is expected to reach USD 3.12 billion by 2035. China and India together are expected to use more than 8 million tons per annum. China has a 38% share of the regional share, with its Soil Pollution Prevention and Control Action Plan explicitly suggesting the use of sulfur-containing nitrogen fertilizers for the remediation of acidified farmland. India is growing at a CAGR of 6.4%, with its NBS scheme offering a per-tonne subsidy of approximately INR 3,500 for ammonium sulfate, making it one of the most cost-effective sulfate fertilizers available to smallholder farmers.

South America and Middle East & Africa — Emerging Opportunities

South America contributed USD 0.57 billion in 2025. Brazil’s soybean complex constitutes 74% of the regional contribution as the country imported over 1.5 million tons of ammonium sulfate in 2024. Argentina is developing at a CAGR of 5.1% through the Pampas wheat and maize programs. The Middle East & Africa region is recording a 5.3% CAGR, supported by the African Development Bank and FAO’s target to double fertilizer intensity in sub-Saharan Africa by 2035. Saudi Arabia accounts for about 18% of the regional share with its date palm and cereal crop nutrition programs.

Competitive Landscape

The Ammonium Sulfate Market is highly concentrated, with top five players estimated to have a combined revenue share of 45-52% and a Herfindahl-Hirschman Index of 1,400-1,700, indicating moderate-to-high concentration where competition is based on by-product supply cost advantages, distribution network breadth and product-grade differentiation. Major companies covered are BASF SE, Nutrien Ltd, Evonik Industries, ArcelorMittal, Lanxess AG, OCI NV, Honeywell International, Sumitomo Chemical, AdvanSix Inc and DOMO Chemicals. The recent developments are:

• Nutrien Ltd launched a digital sulfur-prescription tool integrated into its Nutrien Ag Solutions platform, enabling field-level water-soluble fertilizer recommendations across more than 8,000 retail locations in North America (January 2025).


• Evonik Industries received ISCC-Plus certification for its by-product ammonium sulfate line, positioning the product as a circular-economy agrochemical fertilizer input (November 2024).


• OCI NV progressed its Beaumont lower-carbon ammonia project in Texas, which was subsequently acquired by Woodside Energy for USD 2.35 billion, positioning the facility as a cornerstone of the US Gulf Coast's low-carbon ammonia and nitrogen derivative supply chain upon its scheduled 2025 startup (June 2024).


• AdvanSix Inc signed a five-year offtake agreement with a major Brazilian distributor for 120,000 tonnes per annum of granular ammonium sulfate, expanding its sulfate fertilizer footprint in South America (April 2024).

Future Outlook

GPS-guided variable-rate spreaders and in-soil sulfur sensors at the farm level are poised to revolutionize the delivery of nitrogen fertilizers and sulfate fertilizers to the root zone, with the USDA projecting that precision nutrient management could reduce overall US fertilizer application volumes by 12% while still achieving yield targets, changing demand patterns in favor of higher-purity agrochemical fertilizers compatible with variable-rate technology systems.

With caprolactam capacity expanding across China and Southeast Asia and Sinopec alone adding 300,000 tons of new capacity in 2024, by-product ammonium sulfate volumes will grow in tandem and forward-integrated producers branding and certifying their by-product supply as crop nutrition chemicals stand to earn margin premiums of 8-12 percent over commodity-grade material. Meanwhile, the EU's Corporate Sustainability Reporting Directive and the Science-Based Targets initiative are urging agribusinesses to report scope-3 fertilizer emissions, and ammonium sulfate's lower carbon intensity per unit of sulfur, about 40% below elemental sulfur oxidation routes, makes it well suited for ESG-compliant procurement.

We see opportunities in precision sulfur application thru digital agriculture platforms that can reduce over-application by up to 20% as satellite-guided variable rate technology adoption scales to more than 35% of US farmland by 2028, fertilizer infrastructure development in emerging markets like Nigeria, Ethiopia and Tanzania where fertilizer consumption intensity is still under 20 kg/ha, and industrial by-product valorization and circular economy models that turn waste liabilities into fertilizer-grade income streams. “Companies combining certified low-carbon by-product supply, digital agronomic partnerships and emerging market distribution networks are best positioned to capture disproportionate growth as the Ammonium Sulfate Market moves toward 2035.

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