Retail credit
What is 30+ delinquency?
30+ delinquency is the share of loans or balances that are 30 or more days past due, a standard measure of portfolio credit quality.
Formula
30+ delinquency rate = Balances 30 or more days past due / Total outstanding balances x 100
The 30+ delinquency rate measures the portion of a portfolio that has missed at least one payment by 30 days or more. It includes every later bucket, such as 60+, 90+ and beyond, until accounts are charged off. Lenders report it on a dollar basis, using outstanding balances, or an account basis, using the number of loans, and the two can differ meaningfully.
Because most charged-off accounts pass through early delinquency first, the 30+ rate is a leading indicator of future losses. Retail lenders, credit unions and card issuers track it monthly by product, channel, score band and vintage, and set risk appetite thresholds around it. Rising 30+ delinquency often prompts tighter underwriting, line management actions or added collections capacity.
Portfolio growth can mask deterioration, because new loans enlarge the denominator before they have had time to go delinquent. Vintage and roll rate analysis help correct for this. Charge-off policies, payment deferrals and re-aging practices also affect the reported rate. Comparisons across lenders require consistent definitions of when an account becomes 30 days past due.
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