Health Insurance Cost by Age in 2026
A 21-year-old pays $553/month for a Silver plan. A 64-year-old pays $1,766/month for the same coverage. Here is what everyone in between pays, and why.
Monthly Premiums by Age and Metal Tier
Unsubsidised ACA marketplace averages for a non-smoker. Based on 2026 CMS rate filings.
| Age | Age Factor | Bronze | Silver | Gold | Platinum |
|---|---|---|---|---|---|
| Under 15 | 0.635 | $336 | $441 | $465 | $593 |
| 15-20 | 0.635 | $336 | $441 | $465 | $593 |
| 21 | 1.000 | $421 | $553 | $583 | $744 |
| 25 | 1.004 | $423 | $555 | $585 | $747 |
| 30 | 1.135 | $478 | $627 | $661 | $844 |
| 35 | 1.222 | $515 | $676 | $712 | $909 |
| 40 | 1.278 | $538 | $707 | $745 | $951 |
| 45 | 1.414 | $595 | $782 | $824 | $1052 |
| 50 | 1.643 | $692 | $908 | $957 | $1222 |
| 55 | 1.968 | $829 | $1088 | $1147 | $1464 |
| 60 | 2.381 | $1003 | $1317 | $1388 | $1772 |
| 64 | 3.000 | $1264 | $1659 | $1749 | $2232 |
Silver column is the benchmark plan used for subsidy calculations. All premiums shown before subsidies.
The ACA 3:1 Age Band Rule
Under the Affordable Care Act, insurers can charge a 64-year-old no more than 3 times what they charge a 21-year-old for the same plan. This is the 3:1 age rating band.
The age factor starts at 1.000 for a 21-year-old and increases gradually to 3.000 at age 64. This means a 64-year-old paying $1,659/month for Silver is paying exactly 3 times the $553 base rate. Without the ACA cap, actuarial data suggests the ratio would be closer to 5:1 or 6:1.
Some states apply stricter rules. New York and Vermont use community rating, where everyone pays the same rate regardless of age. Massachusetts uses a 2:1 ratio. These tighter bands lower costs for older adults but raise them for younger adults.
Young Adult (21-29)
$553 - $619
Silver plan monthly range
Middle-Aged (40-49)
$707 - $878
Silver plan monthly range
Pre-Medicare (55-64)
$1,088 - $1,659
Silver plan monthly range
Turning 26: Aging Off Your Parents' Plan
If you are currently on a parent's health insurance plan, coverage ends on your 26th birthday (or, in some cases, at the end of the month you turn 26). This is one of the most common qualifying life events that triggers a 60-day Special Enrollment Period.
At age 26, expect to pay around $566/month for a Silver marketplace plan before subsidies. Your options include:
Employer plan
~$132/moIf your employer offers coverage, this is typically the cheapest option. Your share averages $132/month for individual coverage.
ACA Marketplace
$0-566/moUse the 60-day SEP after losing parent coverage. Check subsidy eligibility. At lower incomes, your premium may be very low.
COBRA
$400-700/moContinue your parent's plan for up to 36 months, but you pay the full premium (employer + employee share) plus 2% admin fee. Usually the most expensive option.
Medicaid
$0/moIf your income is below 138% FPL ($20,783) in an expansion state, Medicaid provides free coverage. Apply any time of year.
Age 50+: Managing Rising Premiums
Premiums rise steeply after 50. A 50-year-old pays $908/month for Silver, while a 60-year-old pays $1,317/month. If you are in this age bracket, consider these strategies:
HDHP + HSA before Medicare
Maximize HSA contributions ($4,300 individual, $8,550 family, plus $1,000 catch-up at 55+). HSA funds can cover Medicare premiums later.
Spousal employer coverage
If your spouse has employer coverage, joining their plan may be cheaper than individual marketplace coverage at older ages.
Income management for subsidies
If your income is near the 400% FPL cliff, strategies like maximizing 401(k) or HSA contributions can keep you below the threshold.
Early retirement bridge plans
If retiring before 65, budget for marketplace coverage. At 62, Silver premiums run $1,417/month before subsidies. Subsidies can help if income is controlled.