At 65 or 70 percent coverage on basic units, the federal crop insurance program pays 59 percent of the premium; at 85 percent coverage, the subsidy drops to 38 percent, per USDA's Risk Management Agency premium subsidy schedules (as published in Iowa State's Ag Decision Maker crop insurance guide, 2025 edition). The coverage-level decision is therefore a trade: each step up the coverage ladder buys a smaller band of protection at a rising share of farmer-paid premium.
Farm Press Theme publishes information, not financial advice — this is an analysis of documented program mechanics, not a recommendation of any coverage level.
How does the subsidy schedule actually work?
Federal crop insurance premiums are split between the farmer and USDA. The subsidy percentage falls as the coverage level rises, which is deliberate policy: taxpayers absorb more of the shallow-loss layers that farmers could partly self-insure. The documented schedule for basic and optional units under the standard COMBO plans (Yield Protection and Revenue Protection):
| Coverage level | Premium subsidy (basic/optional units) |
|---|---|
| 50–55% | 67% |
| 60% | 64% |
| 65–70% | 59% |
| 75% | 55% |
| 80% | 48% |
| 85% | 38% |
Unit structure matters as much as the level. Enterprise units — insuring all acres of one crop in one county as a single unit — carry higher subsidies than basic or optional units at every level, roughly 80 percent at the 85 percent level per the same schedules, because pooling acres reduces moral hazard. Optional units, which insure fields separately, carry the lowest subsidy and the highest premiums.
What changed with the 2025 legislation?
Under the One Big Beautiful Bill Act amendments implemented by RMA's Manager's Bulletin MGR-25-006 (August 2025), a 90 percent coverage level became available for some crops, carrying the same subsidy rate as the 85 percent level, and the Supplemental Coverage Option subsidy rose from 65 to 80 percent. These are the most significant documented changes to the coverage menu in years, and they widen the top of the ladder for crops where the 90 percent level is offered.
What does each coverage level actually protect?
The coverage percentage applies to the operation's approved yield — actual production history — and, for revenue plans, to the insured price. An 80 percent revenue guarantee pays when revenue falls below 80 percent of the guarantee, whether from yield loss or price decline. Each step up the ladder therefore protects a thinner band of loss closer to normal revenue:
- 65–70% levels protect against catastrophic and serious multi-year losses at the lowest farmer premium.
- 75–80% levels cover moderately bad years, the most commonly purchased range.
- 85% (and now 90% where offered) covers shallow losses, at the highest farmer-paid cost per dollar of protection.
The economics of the top steps follow from the subsidy table: the farmer's share of premium more than doubles moving from 70 to 85 percent coverage, while the added protection band narrows.
How do unit structure and plan type interact with the level?
Plan choice sets what is insured. Yield Protection guarantees bushels; Revenue Protection guarantees dollars, adding price-move coverage to yield coverage — the dominant choice in corn-belt states per RMA participation data. Area plans (county-based indices) cost less but pay on county outcomes, not the farm's own.
Unit choice then sets how losses are measured. Optional units can trigger a payment when one field fails while the farm averages fine — but at lower subsidy. Enterprise units average across the operation, reducing premium sharply and suiting operations whose fields perform similarly. The documented pattern in extension crop-insurance guides: many operators capture savings by moving to enterprise units and spending part of it on a higher coverage level — a reallocation with the same total outlay.
How should an operator run the decision?
On quotes, not rules of thumb:
- Request agent quotes at several coverage levels — 70, 75, 80, 85 — under both basic and enterprise unit structures for each plan.
- Compare the farmer-paid premium step between each level against the added guarantee per acre.
- Stress-test against a documented scenario: a year at, say, 70 percent of APH yield, computing what each level pays.
- Weigh the operation's cash reserves — a strong balance sheet can carry more retention than a leveraged one, which is a solvency judgment, not an insurance one.
Sales closing dates are crop-specific and fixed — for most spring-planted crops, March 15 — and the RMA publishes the full calendar each crop year.
Frequently asked questions
What subsidy applies at 85 percent coverage?
38 percent of premium for basic and optional units, roughly 80 percent for enterprise units, per the RMA subsidy schedules documented in Iowa State's Ag Decision Maker guide (2025 edition). Enterprise unit structure is where the top coverage levels become affordable for many operations.
Is there now a 90 percent coverage level?
Yes, for some crops. RMA's Manager's Bulletin MGR-25-006 (August 2025) implemented a 90 percent level under the One Big Beautiful Bill Act amendments, subsidized at the same rate as 85 percent coverage, and raised the Supplemental Coverage Option subsidy to 80 percent.
Is a higher coverage level always safer?
It protects against shallower losses, at a rising farmer-paid premium per dollar of coverage. Whether that is safer depends on the operation's cash reserves and debt: a leveraged operation may need the higher guarantee even at higher cost; a strong balance sheet may rationally retain more risk.
What is the difference between Yield and Revenue Protection?
Yield Protection guarantees production in bushels; Revenue Protection guarantees revenue, paying on declines in harvest price as well as yield. Revenue plans dominate corn-belt participation per RMA data, but the right choice depends on the operation's price exposure and marketing habits.
For more context, read A three-year regenerative transition, sequenced and costed.
For more context, read farm diversification.
For more context, read How to read USDA crop reports without overreacting.