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Legacy Income-Driven Plan | 2026 Eligibility Rules

Income-Based Repayment (IBR): 2026 Payment & Eligibility Guide

Understand the 10% or 15% formula, Standard-payment cap, 20/25-year horizon, FFEL eligibility, and when IBR still beats newer alternatives.

Federal loans only · Annual income update · Payment cap applies · Borrower keeps FSA credentials

10% / 15% Discretionary Income150% Poverty Allowance20 / 25 General YearsCAP 10-Year Standard Amount
THE LEGACY IDR PLAN THAT STILL MATTERS

Income-Based Repayment (IBR) remains a major federal student loan option in 2026, but eligibility now depends heavily on when your loans were disbursed. For qualifying older Direct and FFEL loans, IBR generally sets payments at 10% or 15% of discretionary income, caps the required payment at the 10-year Standard amount, and provides a 20- or 25-year general forgiveness horizon. This guide explains the formula, loan-date rules, marriage effects, interest subsidy, PSLF fit, Parent PLUS exception, and when RAP deserves a side-by-side comparison.

01 / QUICK ANSWER

How Does Income-Based Repayment Work?

IBR lowers the scheduled payment by tying it to discretionary income while capping the payment at the applicable 10-year Standard amount.
10% / 15%

Discretionary-income percentage

The IBR percentage depends on whether you meet the federal definition of a new borrower.

150%

Poverty-guideline shield

IBR generally measures discretionary income above 150% of the applicable poverty guideline.

STANDARD CAP

Maximum scheduled payment

The IBR payment will not exceed the applicable 10-year Standard Repayment Plan amount used for the cap.

20 / 25 YRS

General repayment horizon

New borrowers generally use 20 years; other IBR borrowers generally use 25 years.

Official starting point

Federal Student Aid’s current IDR FAQ and IDR request control the eligibility and formula rules. Use the current IDR FAQ and Repayment Calculator before acting.

02 / THE 2026 GATE

Who Is Eligible for IBR in 2026?

IBR is primarily a pre-July 1, 2026 plan. Loan type and disbursement date come before the payment calculation.
BEFORE JULY 1, 2026IBR may be available

Eligible Direct and FFEL loans can still qualify. Older borrowers may have a real IBR-vs.-RAP decision.

JUL 012026
ON / AFTER JULY 1, 2026RAP becomes the IDR framework

If a borrower receives a new loan on or after the cutoff, current Federal Student Aid guidance can make RAP the only IDR option for the Direct Loan portfolio.

Direct Subsidized LoansGenerally eligible when the loan-date rules are satisfied.
Direct Unsubsidized LoansGenerally eligible when the loan-date rules are satisfied.
Direct Grad PLUS LoansGenerally eligible when the loan-date rules are satisfied.
Eligible FFEL Stafford / Grad PLUSIBR is the income-driven plan that can directly cover qualifying FFEL Program loans.
Direct or FFEL Consolidation LoansGenerally eligible when they do not contain disqualifying Parent PLUS history and satisfy the applicable date rules.
Direct Parent PLUS LoansNot eligible for IBR.
PARENT PLUS EXCEPTION

Do not use the ordinary IBR rules for a Parent PLUS history.

Original Parent PLUS loans are not eligible for IBR. Current federal guidance shows a narrow transition pathway for certain Parent PLUS debt consolidated before July 1, 2026 after at least one ICR payment before July 1, 2028. That is a history-specific exception, not a general Parent PLUS rule.

Review Parent PLUS Options

03 / PAYMENT ENGINE

How Is the IBR Payment Calculated?

IBR starts with discretionary income, applies either 10% or 15%, divides by 12, and then applies the Standard-payment ceiling.
STEP 1

Start with AGI

Use the income information accepted under the current federal IDR process.

STEP 2

Subtract 150% of the poverty guideline

The applicable guideline depends on family size and residence. The remainder is IBR discretionary income.

STEP 3

Apply 10% or 15%

The percentage depends on whether the borrower satisfies the federal IBR new-borrower definition.

STEP 4

Divide by 12 and apply the cap

The monthly amount will not exceed the applicable 10-year Standard Repayment Plan amount used for the IBR ceiling.

WHY THE CAP MATTERS

IBR can stop rising with income before RAP does.

If income increases substantially, IBR’s payment ceiling can become one of the most important differences in a RAP-vs.-IBR comparison. A first-year payment comparison alone can miss that future-income effect.

Compare RAP vs. IBR

04 / HOUSEHOLD EFFECTS

How Do Marriage and Tax Filing Affect IBR?

Federal Student Aid generally uses joint income for joint filers and individual income for separate filers.
MARRIED FILING JOINTLYJoint income

The IBR calculation generally uses combined income. Spouse federal student-loan information can also matter to the allocation of an income-driven payment.

MARRIED FILING SEPARATELYIndividual income

The federal calculation generally uses the borrower’s individual income. That does not mean separate filing is automatically the better tax decision.

FedRepay boundary:

We can model student-loan repayment implications using the filing statuses you want compared. We do not tell a borrower how to file a tax return or provide individualized tax advice.

Read Federal Student Aid marriage guidance ↗

05 / BALANCE BEHAVIOR

Does IBR Have an Interest Subsidy?

Yes, but it is narrower than RAP’s current interest treatment.
IBR SUBSIDY100%remaining unpaid interest on eligible subsidized loansFirst 3 consecutive years

Current federal-servicer guidance says that when the calculated IBR payment does not cover all monthly interest on eligible subsidized loans, the government can cover the remaining unpaid interest during the first three consecutive years.

That does not mean every IBR balance is protected from growth forever. Loan type, subsidy eligibility, the payment amount, and time in the plan all matter.

RAP uses a different interest structure and can also provide a principal benefit, which is why older eligible borrowers should compare more than the first monthly payment.

See How RAP Handles Interest

06 / LONG-TERM PATH

How Long Until IBR Forgiveness?

The general IBR horizon is 20 years for qualifying new borrowers and 25 years for other IBR borrowers.
NEW BORROWER20years

General IBR horizon when the federal July 1, 2014 new-borrower definition is satisfied.

OTHER IBR25years

General IBR horizon for borrowers who do not meet the newer-borrower definition.

PSLF WHEN ELIGIBLE120qualifying payments

IBR can be used with PSLF on eligible Direct Loans when every PSLF requirement is met.

A forgiveness horizon is not the same thing as a promise of forgiveness. The borrower must remain on an eligible path, satisfy the applicable payment and program rules, and preserve records. Tax treatment can also change over time and is outside FedRepay’s tax-advice scope.

Review My PSLF Strategy

07 / THE REAL 2026 DECISION

IBR vs. RAP: What Changes the Answer?

Eligibility comes first. Then compare payment formula, cap, horizon, interest treatment, principal benefits, and future income.
IBR

Legacy plan with a ceiling

  • 10% or 15% of discretionary income
  • 150% poverty-guideline allowance
  • 10-year Standard payment cap
  • 20- or 25-year general horizon
  • Direct + eligible FFEL loans
  • 3-year subsidized-loan interest benefit
VS
RAP

New 2026 income-driven framework

  • 1%–10% AGI percentage schedule
  • $50 reduction per claimed dependent
  • $10 monthly minimum
  • 30-year general horizon
  • Eligible Direct Loans only
  • Different interest + principal benefits

The best comparison uses the same income, household assumptions, loan portfolio, and forgiveness goal for both plans.

Open the Full RAP vs. IBR Comparison

08 / DECISION SCREEN

When Is IBR Worth a Serious Look?

Use these as screening questions, not as an eligibility determination.
IBR MAY FIT WHEN
  • Your eligible federal loans were disbursed before July 1, 2026 and IBR remains available.
  • The 150%-of-poverty discretionary-income formula produces an affordable payment for your household.
  • The 10-year Standard payment cap could matter if your income rises substantially.
  • You prefer a 20- or 25-year general IDR horizon over RAP’s 30-year general horizon.
  • You have eligible FFEL Program loans and want to compare an IDR option without assuming consolidation is automatically beneficial.
  • You are pursuing PSLF and IBR produces a strong qualifying-payment strategy for eligible Direct Loans.
COMPARE SOMETHING ELSE WHEN
  • You have a Direct Loan first disbursed on or after July 1, 2026; RAP may be the only IDR option available to that portfolio.
  • Your current IBR payment is close to the Standard cap and a different repayment path better matches your payoff goal.
  • RAP produces a materially stronger payment or balance trajectory because of its interest and principal benefits.
  • You have Parent PLUS debt or a consolidation with Parent PLUS history and are assuming ordinary IBR eligibility.
  • You are considering consolidation only to change repayment plans without reviewing what else consolidation changes.
  • Your income, family size, marital status, or tax filing situation is about to change and today’s estimate may not remain representative.

09 / DECISION PROCESS

How Should You Evaluate IBR Before Switching?

Use the official estimate first, then pressure-test the long-term decision.
01

Verify Every Loan

Record loan type, disbursement date, current plan, servicer, consolidation history, and any Parent PLUS history. Start with StudentAid.gov rather than assumptions from an old statement.

02

Confirm IBR Eligibility

Check whether the loans fall before the July 1, 2026 cutoff and whether each loan type can actually use IBR. Mixed portfolios require special care.

03

Determine the IBR Borrower Category

Identify whether you meet the federal new-borrower definition tied to July 1, 2014. That changes both the percentage and the general repayment period.

04

Run the Official Estimate

Use the Federal Student Aid Repayment Calculator with current income, family size, marital/tax information, and actual loan records when possible.

05

Compare IBR With RAP and Fixed Plans

Compare the required payment, Standard payment cap, repayment horizon, interest treatment, PSLF strategy, total projected cost, and future-income sensitivity.

06

Review Recertification and Records

IBR requires annual updating of income and family information. Save confirmations, notices, payment histories, and the account-specific recertification date.

07

Choose and Submit Through the Official Channel

Use StudentAid.gov or the official servicer process. If the tradeoffs remain unclear, get individualized analysis before changing plans or consolidating loans.

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10 / FREQUENTLY ASKED QUESTIONS

Income-Based Repayment FAQs

Current 2026 answers to the questions borrowers ask most.
What is the Income-Based Repayment (IBR) Plan?+

IBR is a federal income-driven repayment plan for eligible Direct and FFEL Program loans. Payments are generally 10% or 15% of discretionary income, depending on borrower status, and are capped at the applicable 10-year Standard Repayment Plan amount.

Who qualifies for IBR in 2026?+

IBR generally applies to eligible Direct and FFEL Program loans disbursed before July 1, 2026. Parent PLUS loans are not eligible, and consolidation loans with Parent PLUS history require special review under the current transition rules.

How is the IBR payment calculated?+

IBR generally takes 10% or 15% of discretionary income and divides the annual amount by 12. Discretionary income is the amount by which adjusted gross income exceeds 150% of the applicable poverty guideline. The required payment is capped at the applicable 10-year Standard amount.

What does “new borrower” mean for IBR?+

Federal Student Aid treats a borrower as a new borrower for IBR when the applicable July 1, 2014 conditions are satisfied, including having no outstanding Direct or FFEL balance at the relevant point when obtaining a new loan on or after that date. New borrowers generally use the 10% formula and 20-year horizon.

Can an IBR payment be $0?+

IBR does not use RAP’s $10 monthly floor. Depending on income, family size, and other calculation inputs, the official income-driven estimate can be very low and may be $0. Use the Federal Student Aid Repayment Calculator for the account-specific estimate.

Does IBR have a maximum payment?+

Yes. The IBR payment will never be more than the amount used for the applicable 10-year Standard Repayment Plan cap. That feature can become important when a borrower’s income rises.

How long does IBR last?+

The general IBR repayment period is 20 years for qualifying new borrowers and 25 years for other IBR borrowers before remaining eligible balance may be forgiven, assuming the required qualifying repayment conditions are satisfied.

Can FFEL loans use IBR?+

Yes. IBR is the income-driven repayment plan that can directly cover eligible FFEL Program loans. That makes IBR especially important for some legacy borrowers considering whether consolidation is actually necessary.

Can Parent PLUS loans use IBR?+

Original Parent PLUS loans are not eligible for IBR. Current federal guidance shows a narrow transition pathway for certain Parent PLUS debt consolidated before July 1, 2026 after at least one ICR payment before July 1, 2028, so those histories should be reviewed individually.

How does marriage affect IBR?+

Federal Student Aid generally uses joint income when married borrowers file a joint federal tax return and individual income when they file separately. Tax filing decisions can affect much more than student loans, so FedRepay does not provide tax-return advice.

Does IBR have an interest subsidy?+

For eligible subsidized loans, current federal-servicer guidance says the government can cover 100% of remaining unpaid interest for the first three consecutive years when the calculated IBR payment does not cover all monthly interest.

Does IBR qualify for PSLF?+

IBR can be used for qualifying PSLF payments on eligible Direct Loans when the borrower also satisfies the employment, payment, form, and other PSLF requirements. FFEL loans do not become PSLF-eligible merely because they are on IBR.

Is IBR better than RAP?+

Neither is universally better. IBR has a 150%-of-poverty formula, Standard payment cap, and 20- or 25-year general horizon. RAP uses a different AGI-band formula, a $10 minimum, a 30-year general horizon, and different interest and principal benefits. Compare both only after confirming eligibility.

Do I have to recertify IBR every year?+

Yes. Income-driven repayment requires annual updating of the information used to calculate the payment. Confirm the specific recertification date in StudentAid.gov or with the official servicer and keep records of the submission.

How do I apply for IBR?+

Use the official Federal Student Aid repayment process and current IDR request through StudentAid.gov. FedRepay can help analyze options and review borrower-completed information within the purchased scope, but the borrower keeps the FSA credentials and submits through the official channel.

PRIMARY FEDERAL SOURCES

Verify Before You Act

This page was source-reviewed against current federal materials on August 25, 2026. Program guidance can change.

KNOW THE FORMULA. VERIFY THE LOANS. COMPARE THE FUTURE.

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