529 Plan Contribution Limits for 2026: Everything You Need to Know
Annual gift exclusion, superfunding rules, state maximum balances, and strategies to maximize tax-free education savings in 2026.
Updated April 2026
2026 Key Numbers at a Glance
Annual gift exclusion (single)
$19,000
Annual gift exclusion (married)
$38,000
Superfunding (single)
$95,000
Superfunding (married)
$190,000
Lifetime gift/estate exemption
$15,000,000
IRS annual 529 limit
None
Annual Contribution Rules
The IRS does not set an annual contribution limit for 529 plans. You can contribute $1 or $1 million per year as long as the account balance stays below the state maximum. The practical limit comes from federal gift tax rules: contributions to a 529 plan are treated as gifts to the beneficiary. In 2026, the annual gift tax exclusion is $19,000 per person. Contributions below this threshold require no gift tax filing. Contributions above $19,000 per beneficiary per year require IRS Form 709 and count against your lifetime exemption ($15 million in 2026).
A married couple can each contribute $19,000 to the same beneficiary's 529 for a combined $38,000 annual contribution with no gift tax filing required. Multiple donors (grandparents, aunts, uncles) can each contribute $19,000 to the same account without any of them hitting the exclusion threshold.
Superfunding: The 5-Year Election
The superfunding provision (IRS Code Section 529(c)(2)(B)) allows you to make a lump sum contribution of up to five years of annual gift exclusions and elect to spread it over five years for gift tax purposes. In 2026, this means a single contributor can put $95,000 into a 529 in one year ($19,000 times 5), and a married couple can contribute $190,000. You must file IRS Form 709 and explicitly elect the five-year spread.
Superfunding Rules
- + Contribute up to $95,000 (single) or $190,000 (married) at once
- + File IRS Form 709 and elect 5-year spread
- - No additional gifts to same beneficiary during 5-year period
- - If contributor dies during 5 years, unused portion returns to estate
- + Removes assets from taxable estate immediately
- + Especially powerful for newborns: maximum compounding time
Superfunding Growth Projection (7% return)
Both scenarios invest the same $95,040 total. Lump sum wins by $114,000 due to earlier compounding.
State Maximum Balance Table
Once an account reaches the state maximum, no new contributions can be added. Investment growth can push the balance above the cap without penalty. If this happens, you can open a second 529 in a different state for the same beneficiary. Here are the maximum balances across states:
| State / Plan | Maximum Balance |
|---|---|
| Georgia | $235,000 |
| Mississippi | $235,000 |
| Louisiana | $500,000 |
| New Mexico | $500,000 |
| Tennessee | $350,000 |
| North Dakota | $269,000 |
| Kentucky | $350,000 |
| South Dakota | $350,000 |
| Maryland | $500,000 |
| Ohio | $517,000 |
| Virginia | $550,000 |
| Missouri | $550,000 |
| Vermont | $550,000 |
| Connecticut | $550,000 |
| Pennsylvania | $511,758 |
| New Jersey | $305,000 |
| Arkansas | $366,000 |
| Arizona | $531,000 |
| Indiana | $450,000 |
| Oklahoma | $500,000 |
| California (ScholarShare) | $529,000 |
| New York | $520,000 |
| South Carolina | $540,000 |
| Colorado | $500,000 |
| Utah (my529) | $566,000 |
| Wisconsin (Edvest) | $567,500 |
| New Hampshire | $569,123 |
Georgia and Mississippi have the lowest caps at $235,000, while Wisconsin Edvest ($567,500) and New Hampshire ($569,123) have the highest. Plan maximums are based on estimated total cost of attendance and are adjusted periodically.
Employer 529 Matching Programs
A growing number of employers now offer 529 contribution matching as an employee benefit, similar to 401(k) matching. Under the SECURE 2.0 Act, employers can make contributions to employees' student loan repayment or 529 accounts as part of their benefits package. If your employer offers this benefit, maximize it before making personal contributions. Employer contributions count toward the annual gift tax exclusion of the employer, not the employee, so they generally do not affect your own exclusion limits.