Income-Driven Repayment Plans Explained
Income-driven repayment plans cap your federal student loan payment as a percentage of your discretionary income — which can mean a dramatically lower monthly payment, and eventual forgiveness. Here's how each plan works and how to choose.
Income-driven repayment (IDR) plans are federal repayment options that set your monthly payment based on your income and family size, not your loan balance. They exist because the standard 10-year repayment plan often produces payments that are unaffordable relative to entry-level salaries — and because federal policy recognizes that some borrowers (particularly those in public service) may never pay off large balances and need a structured path to eventual forgiveness.
Federal student loan policy and the specific rules for IDR plans have been subject to litigation and administrative changes. The SAVE plan (Saving on a Valuable Education) was introduced in 2023 but has faced legal challenges. Before enrolling in any plan, verify current plan availability and rules at studentaid.gov — the information in this article reflects the general framework as understood in early 2026, but specific terms may have changed.
How IDR Payments Are Calculated
All IDR plans calculate your payment based on "discretionary income" — defined as your adjusted gross income (AGI) above a multiple of the federal poverty line. The specific multiple and the payment percentage vary by plan. The formula produces a payment that scales with your income: if your income drops, your payment drops. If your income is low enough relative to the poverty line, your payment can be $0.
The Main IDR Plans
SAVE (Saving on a Valuable Education)
The newest IDR plan (subject to legal status — verify at studentaid.gov). SAVE calculates discretionary income as income above 225% of the federal poverty line, and sets payments at 5% of discretionary income for undergraduate loans (10% for graduate). The 225% floor means a single borrower earning around $32,800 or less would have a $0 payment. The SAVE plan also has an interest subsidy — any unpaid monthly interest is forgiven, preventing balance from growing even when payments don't cover interest.
Income-Based Repayment (IBR)
IBR has two versions based on when you first borrowed:
- New IBR (first borrowed after July 1, 2014): Payments are 10% of discretionary income (income above 150% of the poverty line). Forgiveness after 20 years.
- Old IBR (first borrowed before July 1, 2014): Payments are 15% of discretionary income. Forgiveness after 25 years.
IBR has a cap — your payment will never exceed what you'd pay on the standard 10-year plan, regardless of income growth.
Pay As You Earn (PAYE)
PAYE sets payments at 10% of discretionary income (income above 150% of the poverty line) with forgiveness after 20 years. Requires demonstrating financial hardship relative to the standard plan. Also caps payments at the standard 10-year amount.
Income-Contingent Repayment (ICR)
The oldest IDR plan — the least favorable of the group. Payments are the lesser of 20% of discretionary income or what you'd pay on a 12-year fixed plan. Forgiveness after 25 years. The main reason to use ICR: it's the only IDR option for Parent PLUS loan borrowers (after consolidation into a Direct Consolidation Loan).
IDR and PSLF: The Combination
IDR plans are the pathway to Public Service Loan Forgiveness for most borrowers. PSLF requires 120 qualifying monthly payments while working full-time for a qualifying employer (government, nonprofits). Those 120 payments must be made under a qualifying repayment plan — which includes IDR plans.
For Tuscaloosa-area borrowers working at the VA Medical Center, DCH Health System, the University of Alabama, or Tuscaloosa city/county government, the strategy is:
- Enroll in the most favorable IDR plan (typically SAVE or IBR New)
- Submit annual Employment Certification to track qualifying payments
- After 120 qualifying payments (10 years), apply for PSLF forgiveness
On IDR + PSLF, your goal is to minimize payments — not pay off the balance. The remaining balance is forgiven tax-free at 120 payments. Aggressive paydown actually reduces your forgiveness benefit.
A nurse at DCH Health System with $60,000 in federal loans earning $55,000/year. On the standard 10-year plan, payments would be approximately $660/month and total $79,200 paid. On New IBR as a PSLF path: payments around $300–$350/month for 10 years = $36,000–$42,000 paid, then the remaining balance forgiven tax-free. Savings: potentially $37,000–$43,000.
IDR Without PSLF: Long-Term Forgiveness
For borrowers not pursuing PSLF but with high debt relative to income (common for graduate borrowers), IDR still provides eventual forgiveness — after 20–25 years depending on the plan. This forgiveness is currently taxable as ordinary income in the year received, unlike PSLF (which is tax-free). Plan accordingly: a large forgiven balance could generate a significant tax bill.
How to Enroll in an IDR Plan
- Go to studentaid.gov/idr
- Log in with your FSA ID
- Use the Loan Simulator tool to compare your payment under each plan
- Submit the IDR application — you'll need to provide income documentation (tax return or recent pay stub)
- Recertify your income annually to keep the plan active
IDR plans require annual income recertification. Missing the recertification deadline causes your payment to reset to what it would be under the standard plan — potentially much higher. Set a calendar reminder 60 days before your recertification date (listed in your studentaid.gov account). If your income changed significantly — up or down — you can recertify early to update your payment.
See How Your Student Loans Fit Your Financial Picture
Take the free Financial Health Score quiz to assess your debt load, income, and where to focus your repayment strategy.
Get Your Score →