What Is A Nonperforming Loan? (Banking Specs & Risk)

A nonperforming loan (NPL) is a loan whose borrower is not making payments as agreed, or is unlikely to repay in full. Banks and regulators identify NPLs using rules that may include missed-payment periods and signs of financial distress. The exact cutoff varies, so a 90-day delay is an important benchmark, not a universal definition.

A bank that wants a clearer view of credit risk does not rely on one number alone. It checks payment history, the borrower’s ability to repay, collateral, and the rules that apply to its reports. That choice matters to anyone reading a bank’s financial statements: the same loan may be classified differently under different rules.

When I prepare a portfolio-risk analysis, I separate four terms that are often mixed up: delinquency, default, nonaccrual, and credit loss. They overlap, but they do not mean the same thing. Confusing them can distort an NPL ratio or make a bank’s likely losses look larger or smaller than they are.

What is a nonperforming loan?

A nonperforming loan is a loan that no longer produces reliable contractual payments because the borrower is in serious payment trouble or full repayment is doubtful. Supervisors often use missed payments and the likelihood of repayment to identify these loans, but each jurisdiction’s reporting rules matter.

“Nonperforming” is a status used to assess loan quality. It does not by itself say how much the bank will lose, when the bank must charge off the loan, or whether the borrower has no chance of recovery.

A loan may become nonperforming after a long period of missed payments. It may also be treated as nonperforming sooner if the bank has strong evidence that the borrower is unlikely to repay in full. That second test matters because a borrower can be in trouble before a payment reaches a set number of days late.

The terms below describe related but distinct issues:

• Delinquency means a payment has not arrived by its due date.
• Default means the borrower meets a formal default test under a regulatory or contractual framework.
• Nonaccrual means a bank stops recording interest income on a loan as it normally would.
• Impairment or expected credit loss concerns the accounting estimate of likely losses.
• Charge-off means the bank removes an amount it considers uncollectible from its books, under applicable rules.

A loan can be delinquent without yet meeting a particular NPL test. Conversely, evidence of likely nonpayment may lead to a default or nonaccrual classification before 90 days have passed.

How do banks and regulators identify an NPL?

Banks identify problem loans by reviewing payment aging and the borrower’s ability to pay. A 90-day delay is a key benchmark in several frameworks, but it is not a single global NPL rule. Banks must apply the relevant supervisory and accounting requirements, then explain the basis used in their reports.

Under the Basel Committee’s default framework, a borrower is generally considered in default if a material credit obligation is more than 90 days past due, or if the bank considers the borrower unlikely to pay in full without steps such as realizing collateral. This is a prudential default benchmark; it does not create one universal definition of an NPL.

In U.S. bank supervision, a loan generally goes on nonaccrual when principal or interest is 90 days or more past due. An exception may apply if the loan is well secured and in the process of collection. A bank may place a loan on nonaccrual earlier if it doubts full repayment.

IFRS 9 uses a different kind of threshold. It has a rebuttable presumption that credit risk has increased significantly when contractual payments are more than 30 days past due. This is a trigger for assessing the loan’s expected-credit-loss stage, not an NPL cutoff. Credit-impaired assets are generally classified in Stage 3.

The key takeaway: always identify the framework behind a bank’s label. A 30-day IFRS 9 trigger and a 90-day default benchmark answer different questions.

How do you calculate and interpret the NPL ratio?

The NPL ratio compares nonperforming loans with total gross loans. It gives a snapshot of asset quality, but it does not show the full size of likely losses. Before comparing banks, check how each one defines NPLs and what it includes in the reported totals.

A common formula is:

NPL ratio = nonperforming loans ÷ gross loans × 100

For example, if a bank reports $120 million in NPLs and $2 billion in gross loans:

$120 million ÷ $2 billion × 100 = 6%

That 6% means that, under the bank’s stated reporting basis, NPLs equal 6% of gross loans. It does not mean the bank will lose 6% of its loan portfolio. Some borrowers may repay, collateral may be recovered, and the bank may already hold reserves for expected losses.

When assessing the ratio, I would check:

• The trend: Is the ratio rising, falling, or stable over several reporting periods?
• The loan mix: Are problems concentrated in mortgages, commercial real estate, consumer loans, or another product?
• The denominator: Does gross loans include the same loan types across the banks being compared?
• The reporting rules: How are restructured loans, guarantees, and accrued interest treated?
• The loss coverage: What allowance or provision does the bank hold against expected losses?

A rising NPL ratio may signal worsening borrower stress, but context matters. The ratio can also change because the bank sold loans, made new loans, or changed reporting practices. Compare like with like, and use other measures alongside it.

What financial risks do NPLs create for a bank?

NPLs can weaken a bank’s income, raise expected credit losses, and increase pressure on staff and funding. The size and timing of each effect depend on the loan, collateral, accounting rules, and recovery prospects. An NPL classification alone does not determine the final loss or the exact capital impact.

Income risk: When a loan goes on nonaccrual, a U.S. bank generally stops recording interest income in the usual way. If the borrower later pays, the bank applies the relevant accounting and supervisory rules to recognize the recovery.

Credit-loss risk: Banks estimate expected losses under the accounting framework they use. U.S. banks apply the current expected credit losses framework, known as CECL. IFRS reporters apply IFRS 9 expected-credit-loss requirements. A loan’s past-due status can affect the estimate, but it does not, by itself, set the loss amount.

Capital risk: Provisions and losses can reduce earnings, which may affect capital. The outcome depends on the bank’s starting position, the size of losses, and applicable capital rules. It is not correct to assume that every NPL causes the same immediate capital reduction.

Liquidity and operations risk: Delayed repayments mean less cash arrives when expected. The bank may also need more staff time for borrower contact, legal action, collateral review, or loan restructuring. The effect varies; an NPL does not automatically mean the bank is unable to meet its obligations.

A sound risk review therefore links NPL data to provisions, recoveries, collateral, capital, and cash flows. No single ratio can answer all of those questions.

How do banks manage nonperforming loans?

Banks manage NPLs by verifying the borrower’s condition, estimating recovery, and choosing a workout or recovery path. The aim is to handle the loan in a way that follows applicable rules and limits avoidable losses. Outcomes depend on the facts, the contract, collateral, and local law.

A typical review may follow these steps:

1. Confirm the status. Check payment records, the days-past-due calculation, borrower information, and the policy or rule that triggered classification.
2. Assess repayment capacity. Review cash flow, income, business conditions, and any reliable plan to resume payments.
3. Value collateral carefully. Estimate its recoverable value, taking account of enforceability, sale time, and costs. A collateral estimate is not the same as cash already recovered.
4. Estimate expected loss. Apply the bank’s accounting rules and consider expected payments, collateral proceeds, and other relevant evidence.
5. Choose a course of action. Depending on the case, the bank may work with the borrower, restructure payments where permitted, pursue collateral, or take other recovery steps.
6. Review and document. Update the classification, loss estimate, and recovery plan as facts change. Keep the basis clear for audits and supervisory review.

Illustrative case: a delayed commercial loan

Consider a hypothetical bank with a commercial borrower whose payments have stopped. The loan is 75 days past due, and the borrower’s current cash flow makes full repayment doubtful. A simple “wait until day 90” approach could miss an earlier warning sign.

The bank would review the borrower’s financial position, collateral, and applicable classification rules. Under the Basel default benchmark, “unlikely to pay” can be relevant before the 90-day threshold. Under U.S. nonaccrual guidance, earlier nonaccrual may also be appropriate when full repayment is doubtful. The bank would separately estimate expected credit losses under its accounting framework.

This example is not a universal rule for classifying every 75-day-past-due loan. It shows why payment age, repayment evidence, and the governing framework must be considered together.

How can you read an NPL figure without misreading it?

An NPL figure is useful only when you know what it includes and what it leaves out. Check the reporting period, definition, loan denominator, and loss coverage before drawing conclusions. A bank’s ratio can support a comparison, but it cannot replace review of the notes and underlying measures.

Use this short checklist when reviewing a bank report:

• Find the bank’s definition of “nonperforming” or “nonperforming exposure.”
• Note whether the report uses gross loans and whether the scope is consistent across periods.
• Look for separate measures of past-due loans, nonaccrual loans, and impaired assets.
• Compare NPLs with provisions or allowances, but do not treat the two as identical.
• Review disclosures about collateral, restructurings, write-offs, and recoveries.
• Avoid ranking banks by NPL ratio alone if their rules or loan mixes differ.

The safest conclusion is narrow: the ratio describes reported NPLs on that bank’s stated basis. A fuller risk judgment also needs loss estimates, recoveries, concentration, and the applicable rules.

Frequently asked questions

These answers clarify common points that are easy to confuse when reading bank reports. The exact treatment may depend on the country, supervisory rules, accounting framework, and the bank’s disclosures. Use the bank’s stated definition when interpreting a specific figure.

Is a loan automatically nonperforming after 90 days?
No. Ninety days is an important benchmark, but the applicable NPL definition may differ. Some frameworks also consider whether full repayment is unlikely.

Does IFRS 9 define an NPL at 30 days past due?
No. The more-than-30-day presumption signals a significant increase in credit risk. It is not an NPL cutoff.

Is a defaulted loan always an NPL?
Not necessarily under every reporting definition. Default and NPL classifications are related, but the terms can follow different rules.

Does an NPL mean the bank will lose the full amount?
No. The bank may recover payments or collateral. The eventual loss depends on recovery and the bank’s expected-loss estimate.

Does nonaccrual mean the loan has been written off?
No. Nonaccrual concerns how interest income is recognized. A charge-off is a separate accounting action.

Can a loan become nonperforming before it is 90 days late?
Yes, where the applicable rules allow an earlier classification based on evidence that full repayment is doubtful.

Why can two banks report different NPL ratios?
They may use different definitions, loan scopes, or treatments for restructurings, guarantees, or accrued interest. Check the reporting basis before comparing.

Do NPLs always reduce regulatory capital right away?
No. Credit losses can affect earnings and capital, but the timing and amount depend on provisions, recoveries, and applicable capital rules.

The central point is simple: an NPL is a sign of serious repayment trouble, not a complete measure of the bank’s eventual loss. Check the governing definition, calculate the ratio on a consistent basis, and read it alongside provisions and recovery information.

(This article was written by one of our staff writers, Nathan Sterling. Visit our Meet the Team page.)