What is an accounts receivable aging report?

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An accounts receivable aging report categorises outstanding customer invoices by how long they have been unpaid. It typically groups balances into buckets: current, 1–30 days, 31–60 days, 61–90 days, and 90+ days overdue.

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It is the primary tool used by AR and collections teams to prioritise follow-up, assess credit risk, and forecast incoming cash.

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Why it matters

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The AR aging report tells you two things: how much money is owed to you, and how likely you are to collect it. Invoices in the 0–30 day bucket are mostly a process question. Invoices in the 60+ day bucket are a collections problem. Invoices in the 90+ day bucket may need to be provisioned for bad debt.

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For a business with complex order-to-cash cycles — multiple customers, multiple currencies, multiple entities — the aging report is also an early warning system. A sudden increase in overdue balances often signals a process breakdown: invoices going out late, disputes not being resolved, or customer credit limits being breached.

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How aging analysis drives action

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Finance teams use the AR aging report to prioritise collections outreach, trigger the dunning process for overdue accounts, calculate bad debt provisions, and flag accounts that may need credit limit review. It also feeds directly into DSO calculations and cash flow forecasting.

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In automated AR environments, aging is tracked in real time and exceptions — accounts crossing a threshold, invoices approaching dispute deadlines — are surfaced automatically rather than discovered at month end.

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Related: Accounts Receivable (AR) · Days Sales Outstanding (DSO) · Dunning Process · Collections Management