Agriculture Department officials admit a 5 percent undercount in last year’s corn production, misestimating the crop by 4.5 million acres. The final tally hit 91.3 million acres, up from the projected 86.8 million acres. The error shocked traders and farmers alike, eroding confidence in USDA data which has long guided market pricing and policy decisions.

Farmers, ranchers, and economists surveyed by Farm Journal reported a sharp drop in trust, with most respondents answering “no.” Lower survey response rates—down to about 40 percent from 60 percent a decade ago—directly inflate estimation errors, a fact that Senator Amy Klobuchar warned could trigger a data‑doom loop that could undermine market stability.

USDA’s chief economist Seth Meyer, now at the Food and Agricultural Policy Research Institute, said the miss stemmed from staffing cuts and reduced farmer participation, not misreporting. The agency’s National Agricultural Statistics Service lost 34 percent of its staff, shrinking from 800 to about 500 analysts and threatened the integrity of future reports.

With corn pricing tightly linked to USDA estimates, a 5 percent error can shift futures contracts and insurance premiums. Policymakers face pressure to restore data credibility by boosting survey response rates and investing in remote sensing. Until then, market participants will treat USDA figures with caution, weighing the risk of misestimation.