Income Based Repayment Plan: How IBR Works in 2026
An income based repayment plan ties your federal student loan bill to what you actually earn, not what you owe. In 2026 the math still works — but the rules around it changed in a big way this summer. Here is how IBR payments are calculated, who can still enroll, and the tax catch waiting at the finish line.
Key takeaways
- IBR is still alive in October 2026 — but only for federal loans disbursed before July 1, 2026. newer loans get RAP or Tiered Standard instead.
- New borrowers (first loan on/after July 1, 2014): 10% of discretionary income, forgiven after 20 years. Older borrowers: 15%, forgiven after 25 years.
- The old partial financial hardship test is gone — the July 2026 law removed it, so anyone with eligible loans can enroll regardless of income.
- Worked example: $60,000 income, family of one → $36,060 of discretionary income → $300.50/month at 10%, $450.75/month at 15%.
- Forgiven balances are federally taxable again in 2026 — the ARP tax break expired Dec 31, 2025; PSLF stays tax-free.
What an income based repayment plan actually is
An income based repayment plan is one of the federal income-driven repayment (IDR) plans: your servicer recalculates your payment yearly from income and family size — it can hit $0 in lean years, but never exceeds the 10-year Standard amount.
IBR survived this year’s overhaul — SAVE is winding down and PAYE/ICR sunset July 1, 2028 — with one hard cutoff: only loans disbursed before July 1, 2026 can enroll; later loans get the new Repayment Assistance Plan (RAP).
How your IBR payment is calculated
Everything runs on discretionary income: AGI minus 150% of the federal poverty guideline for your family size. For 2026 that is $15,960 for one person in the 48 contiguous states and D.C. — so 150% is $23,940.
Take 10% (new borrower) or 15% (older borrower), divide by 12. Balance, rate, and loan count never enter the formula.
The worked example: $40,000 in loans, $60,000 of income
Take a borrower with $40,000 in federal loans, a $60,000 AGI, and a family size of one:
| New borrower (10%) | Old borrower (15%) | |
|---|---|---|
| 150% of poverty guideline | $23,940 | $23,940 |
| Discretionary income | $36,060 | $36,060 |
| Monthly payment | $300.50 | $450.75 |
The 15% payment runs $150.25 a month above the 10% one — just under the 10-year Standard payment of about $454.19.
At 6.5%, $40,000 accrues about $216.67 of interest monthly. The $300.50 payment covers that with ~$83.83 left for principal; the $450.75 payment puts ~$234.08 toward principal. Below that line, the subsidy below kicks in.
New borrower vs old borrower: 10% or 15%
You are a new borrower if you had no outstanding federal loan balance as of July 1, 2014 — in practice, your first loan was disbursed after that date (and before July 1, 2026): 10% with forgiveness after 20 years, versus 15% and 25 years for everyone else.
Who can enroll in 2026 — and who can’t
IBR accepts most Direct and FFEL loans — subsidized or unsubsidized — disbursed before July 1, 2026 and not in default. Parent PLUS loans are excluded, including consolidation loans that repaid one.
The partial financial hardship test is gone: the July 2026 budget law removed it, so anyone with eligible loans can enroll regardless of income, capped at the 10-year Standard amount. IBR months count toward PSLF’s 120-payment total; SAVE-forbearance months do not (the official plan comparison).
Apply via the IDR plan request on studentaid.gov with your FSA ID — authorize IRS tax-data sharing or supply income documents.
The interest subsidy most borrowers miss
If your payment does not cover all the interest on subsidized loans, the government pays the rest — up to three consecutive years from the date you enter IBR. Unsubsidized loans get no subsidy: unpaid interest accumulates but generally does not capitalize while you stay on the plan.
For recent graduates on low starting salaries, that freezes interest on the subsidized portion during the leanest years (our APR vs interest rate guide explains accruing vs capitalized interest).
The forgiveness finish line — and the tax bill that’s back
Make your payments for the full period — 240 (20 years) for new borrowers, 300 (25 years) for everyone else — and the balance is discharged automatically.
But the finish line now has a bill: the American Rescue Plan’s tax-free treatment expired December 31, 2025 without an extension. A 2026-or-later IBR discharge counts as ordinary income — a $50,000 discharge at 22% means roughly an $11,000 federal tax bill (The College Investor’s 2026 tax breakdown).
PSLF stays permanently tax-free, and death/disability discharges were made permanently tax-free by the 2026 law. Years from forgiveness? Set a little aside monthly.
The yearly recertification
Every 12 months you must recertify income and family size — miss it and your payment resets to the 10-year Standard amount.
Life changes flow through recertification too: a lost job, a new child, or a raise adjust the payment at the next cycle — or sooner on request.
IBR vs the new Repayment Assistance Plan
For pre–July 2026 loans, the real 2026 choice is IBR or RAP:
- Payment base: IBR charges 10–15% of discretionary income (capped at the 10-year Standard amount); RAP charges 1–10% of AGI minus $50 per dependent, $10 minimum, no cap.
- Interest: IBR covers unpaid interest on subsidized loans for 3 years; RAP waives all unpaid interest monthly and matches principal up to $50.
- Forgiveness: 20 or 25 years on IBR versus 30 years on RAP.
Low earners with older loans usually win on IBR’s 10% and possible $0 payment; RAP is the only IDR option for post–July 2026 loans. Run both through studentaid.gov’s calculator first (FinAid’s IBR guide).
Knocking out other debt too?
IBR handles the student loans — here is the fastest way to clear the rest.
Try the debt snowball methodSources & further reading
Plan rules from Federal Student Aid and FinAid; worked numbers are our own, computed in Python.
- Federal Student Aid — Income-Based Repayment PlanOfficial IBR rules: payment formula, eligibility, hardship removal.
- Federal Student Aid — Income-Driven Repayment PlansRAP vs IBR vs PAYE vs ICR and the July 2026 cutoffs.
- Federal Student Aid — IDR Plan FAQsWhich plans your loans qualify for by disbursement date.
- FinAid — Income-Based RepaymentIBR mechanics, updated for the 2026 law changes.
- The College Investor — Taxes and Student Loan ForgivenessWhy IDR forgiveness is federally taxable again in 2026.