The U.S. corn industry is in a period of record-high production paired with tightening supplies and falling prices. The 2025/26 crop is estimated at 17 billion bushels across nearly 99 million planted acres, with yields averaging 186.5 bushels per acre. But behind those headline numbers, the market tells a more complicated story of shifting global competition, evolving farm economics, and changing demand patterns.
Production Is Up, but Supplies Are Tight
The 2025/26 corn crop came in strong: 17.02 billion bushels, boosted by a half-bushel-per-acre yield increase and 1.3 million more harvested acres than initially expected. That sounds like abundance, but the supply picture is surprisingly lean. The stocks-to-use ratio for the 2024/25 marketing year sits at just 8.7%, near the low end of the historical range and a steep drop from the 14.2% initially projected in May 2024.
The main culprit is exports. U.S. corn exports for 2024/25 reached nearly 2.8 billion bushels, a full 25% higher than the initial forecast of 2.2 billion. That surge ate through inventories faster than anyone expected, leaving less carry-in stock for the current crop year. For 2025/26, the stocks-to-use ratio has already slipped from 11.6% to 10.8% since May, mostly because of that reduced starting inventory rather than any change in production or domestic use projections.
Prices Are Falling Despite Tight Stocks
Corn prices have been on a downward slide. The USDA projects a season-average price of $4.10 per bushel for 2024/25, dropping to $3.90 for 2025/26. That $3.90 figure is roughly $2.60 below the 2022/23 season average, when prices spiked following global supply disruptions. Futures markets have been trading somewhat higher, around $4.25 to $4.45, but the overall trend points downward.
For farmers, that price decline hits hard when set against production costs. In Iowa, one of the top corn-producing states, estimated input costs for corn planted after soybeans (the more efficient rotation) include about $110 per acre for seed, $167 for fertilizer (nitrogen, phosphate, and potash combined), and $38 for grain drying fuel. Those numbers add up quickly, and at $3.90 per bushel, profit margins are thinner than they were two or three years ago.
Where All That Corn Goes
About 40% of the U.S. corn crop goes to ethanol production and its related co-products, making biofuel the single largest use category. The EPA’s Renewable Fuel Standard mandates 22.33 billion ethanol-equivalent gallons of renewable fuel for 2025, which keeps a floor under corn demand from that sector. Livestock feed accounts for another major share, and exports round out the picture.
The export market is where things have shifted most dramatically. Brazil overtook the United States as the world’s top corn exporter starting in the 2023 harvest year, capturing about 32% of global exports compared to the U.S. share of roughly 23%. Brazil held onto that lead into 2024, a development that would have been hard to imagine a decade ago. The U.S. remains a powerhouse, but it’s no longer the undisputed leader.
Getting Corn to Market
The Mississippi River system is the backbone of U.S. corn exports. Barges moving down to the Gulf port region near New Orleans carry roughly 90% of all grain exported through that corridor, with corn and soybeans making up more than 95% of bulk grain barge traffic by volume. New Orleans is the leading port for exported corn.
Barge rates add a layer of unpredictability to the supply chain. They can swing sharply based on sudden shifts in demand for barge services. When rates spike, shippers sometimes delay shipments or switch to rail or truck, which costs more and slows delivery. A St. Louis grain barge at a 289% tariff rate, for example, works out to about $11.53 per ton. Those logistics costs are an often-overlooked factor in whether U.S. corn stays price-competitive against Brazilian exports arriving by ocean freight.
How Corn Is Grown Has Changed Dramatically
More than 90% of U.S. corn is now grown from genetically engineered seed varieties. The two dominant traits are herbicide tolerance, used on about 92% of corn acres, and insect resistance (Bt), found on 87% of acres. Most farmers use “stacked” seed varieties that combine both traits: 84% of corn acres were planted with stacked seeds in 2025, up from single-digit percentages in the late 1990s. Other engineered traits, including drought resistance and enhanced nutritional content, exist but are far less common.
On the sustainability front, corn production carries a measurable carbon footprint. The industry average carbon intensity score runs about 6,445 grams of CO2 equivalent per bushel. Practices like cover cropping, reduced tillage, and manure application can lower that score, but they come with real tradeoffs. Cover crops and no-till farming can reduce yields enough that the lost corn revenue exceeds the environmental credit value a farmer might receive. Manure application is the most cost-effective practice, requiring the smallest offset (about 32% of a bonus tax credit pass-through) to break even, compared to 58% for cover crops and no-till.
The Bigger Picture
The state of corn in 2025 is defined by a tension between abundance and vulnerability. Yields keep climbing, technology adoption is nearly universal, and total production has never been higher. But ending stocks are historically tight, prices are well below their recent peaks, input costs remain elevated, and the U.S. has lost its top-exporter status to Brazil. Farmers are producing more corn than ever while facing narrower margins, and the market’s ability to absorb unexpected disruptions, whether from weather, trade policy, or river logistics, is thinner than the raw production numbers suggest.