Income-Driven Repayment Plans Explained: Complete Guide for 2025

Income-Driven Repayment (IDR) plans can be a lifeline for borrowers struggling with student loan payments. But with four different plans and complex rules, choosing the right one is challenging. This guide breaks down everything you need to know.

What Are Income-Driven Repayment Plans?

IDR plans calculate your monthly payment based on your income and family size, not your loan balance. Key features:

• Lower Monthly Payments - Often 50-75% less than standard repayment
• Loan Forgiveness - Remaining balance forgiven after 20-25 years
• Annual Recertification - Must update income/family size yearly
• Interest Subsidy - Government may cover unpaid interest (plan-dependent)

The Four IDR Plans

1. SAVE Plan (Saving on a Valuable Education)

Newest and most generous plan (replaced REPAYE in 2023):

• Payment: 5% of discretionary income (10% for grad loans)
• Discretionary Income: Income above 225% of poverty line
• Forgiveness: 20 years (undergrad), 25 years (grad)
• Interest Subsidy: Government covers 100% of unpaid interest
• Married Filing Separately: Spouse income excluded

Example:

• Income: $40,000
• Family Size: 1
• Poverty Line: $15,060
• Discretionary Income: $40,000 - ($15,060 × 2.25) = $6,115
• Monthly Payment: $6,115 × 5% ÷ 12 = $25/month

2. PAYE (Pay As You Earn)

Good for recent borrowers:

• Payment: 10% of discretionary income
• Discretionary Income: Income above 150% of poverty line
• Forgiveness: 20 years
• Interest Subsidy: First 3 years only
• Payment Cap: Never more than standard 10-year payment
• Eligibility: Must be a “new borrower” as of 10/1/2007

Example:

• Income: $50,000
• Family Size: 2
• Poverty Line: $20,440
• Discretionary Income: $50,000 - ($20,440 × 1.5) = $19,340
• Monthly Payment: $19,340 × 10% ÷ 12 = $161/month

3. IBR (Income-Based Repayment)

Two versions based on when you borrowed:

New IBR (borrowed after 7/1/2014):

• Payment: 10% of discretionary income
• Discretionary Income: Income above 150% of poverty line
• Forgiveness: 20 years
• Payment Cap: Standard 10-year payment

Old IBR (borrowed before 7/1/2014):

• Payment: 15% of discretionary income
• Discretionary Income: Income above 150% of poverty line
• Forgiveness: 25 years
• Payment Cap: Standard 10-year payment

4. ICR (Income-Contingent Repayment)

Least favorable option:

• Payment: Lesser of (a) 20% of discretionary income or (b) fixed payment over 12 years
• Discretionary Income: Income above 100% of poverty line
• Forgiveness: 25 years
• Interest Subsidy: None
• Special Feature: Only IDR plan available for Parent PLUS loans (via consolidation)

Plan Comparison Table

Need more detail? See our comprehensive IDR vs IBR vs ICR side-by-side comparison (2026) with payment calculations, real-world scenarios, and eligibility requirements.

Feature	SAVE	PAYE	IBR (New)	ICR
Payment Rate	5-10%	10%	10%	20%
Poverty Line	225%	150%	150%	100%
Forgiveness	20-25 yrs	20 yrs	20 yrs	25 yrs
Interest Subsidy	100%	3 years	None	None
Payment Cap	No	Yes	Yes	No
Parent PLUS	No	No	No	Yes*

*After consolidation

Which Plan Should You Choose?

Choose SAVE if:

• ✅ You have low income relative to debt
• ✅ You want the lowest possible payment
• ✅ You’re worried about balance growth
• ✅ You qualify for any IDR plan

Choose PAYE if:

• ✅ You’re a new borrower (after 10/1/2007)
• ✅ You expect significant income growth
• ✅ You want a payment cap
• ✅ SAVE isn’t available to you

Choose IBR if:

• ✅ You don’t qualify for SAVE or PAYE
• ✅ You borrowed before 7/1/2014
• ✅ You want a payment cap

Choose ICR if:

• ✅ You have Parent PLUS loans
• ✅ You don’t qualify for other plans
• ✅ You’re pursuing PSLF with Parent PLUS

Important Considerations

The Tax Bomb

Forgiven amounts may be taxable as income:

Example:

• $100,000 forgiven after 20 years
• 24% tax bracket
• Tax bill: $24,000

Negative Amortization

If your payment doesn’t cover monthly interest, your balance grows:

Example:

• Balance: $50,000
• Interest Rate: 6.8%
• Monthly Interest: $283
• IDR Payment: $150
• Monthly Growth: $133
• Annual Growth: $1,596

Over 20 years, this can double or triple your balance before forgiveness.

Annual Recertification

You must recertify income/family size every year:

• Deadline: Anniversary of enrollment
• Penalty: Payments revert to standard 10-year amount
• Process: Submit tax return or income documentation

Key Takeaways

• SAVE is the most generous plan for most borrowers
• IDR plans can result in significant balance growth
• Forgiven amounts may be taxable (tax bomb)
• Annual recertification is required
• Payment caps protect high earners in PAYE/IBR
• Parent PLUS loans need consolidation for IDR