Start with a range of 8 to 10 percent, which spans the national employer surveys and sits around the 9.6 percent Michigan small-group average. Apply it to your annual premium, divide by enrolled employees to see the per-person effect, then tighten the range when your renewal arrives.
The chart and table apply each estimate to a $500,000 premium and to three premium sizes. This is arithmetic on round numbers, not a forecast for any group.
| Annual premium | 8.0% increase | 9.6% increase | 10.0% increase | 14.2% increase |
|---|---|---|---|---|
| $250,000 | +$20,000 | +$24,000 | +$25,000 | +$35,500 |
| $500,000 | +$40,000 | +$48,000 | +$50,000 | +$71,000 |
| $1,000,000 | +$80,000 | +$96,000 | +$100,000 | +$142,000 |
Use 8 to 10 percent as a starting range, and a higher figure if your group had a high-claims year.
On a $500,000 premium each percentage point is $5,000 a year, so 8 to 10 percent is $40,000 to $50,000.
$48,000 across 25 enrolled employees is $1,920 each per year, or $160 a month, before any change in how the cost is shared.
The same increase can be absorbed, shared or reduced. Each choice has a different effect on employees.
The increase can be absorbed by the employer, shared through higher employee contributions or reduced through plan design such as a higher deductible. How your claims drove the renewal shows which is realistic.
Gather data at 120 days, set strategy at 90, market the plan at 75, read the renewal at 60, decide at 45 and enroll at 30.
See where the 8 to 10 percent range comes from and what moves your own number.
Not automatically. Use the range, then adjust for your group’s own claims experience and the carrier-level filings.
Budget expected claims, administration and stop-loss premiums separately, and use the national trend as a reference for claims.
When the carrier’s renewal arrives, and again if you change plan design or market the plan.
Business Group on Health 2027 Employer Healthcare Strategy Survey Bridge Michigan, Michigan 2027 rate announcement KFF 2026 Employer Health Benefits Survey
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The renewal letter
Your current plan summary
Contribution split by tier
Enrolled counts by tier
Four documents — two more if your group is 50 or more. Nothing else; every extra one is a reason to postpone.
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