Retail inventory shrinkage accounting is the process of measuring the gap between what your books say is on the shelf and what a physical count finds, then recording that gap correctly in cost of goods sold, on the balance sheet and on the tax return. The gap comes from shoplifting, employee theft, receiving errors, vendor shorts and damage. Every retailer has some. The accounting question is how to estimate it between counts, how to book it once it is known and how to show it to lenders, auditors and the IRS.
The most widely cited benchmark is the National Retail Federation's National Retail Security Survey. Its 2023 edition reported an average shrink rate of 1.6% of sales for fiscal 2022, up from 1.4% the year before, equal to $112.1 billion in losses across US retail. The survey covered 177 retail brands, and respondents attributed nearly two-thirds (65%) of shrink to internal and external theft combined.
Two caveats matter before you use that number in a budget. It is fiscal 2022 data, and NRF has since said it stopped publishing an industry-wide shrink figure in 2023 because a single average was no longer an accurate benchmark. Your own history by store, category and season is a better planning basis.
To see why shrink deserves attention, run it through margin. A retailer with $5 million of sales and a 1.6% shrink rate loses $80,000 at retail. If net margin is 4%, that is about 40% of annual profit. Our article on profit margin improvement strategies covers the other levers.
The standard formula is:
Shrink % = (book inventory − physical inventory) ÷ net sales for the period
Most retailers calculate it at retail value, because that is how they track sales. Accountants then convert to cost for the books. Be consistent: mixing cost-based shrink with retail-based sales understates the rate.
Book inventory is only reliable if receiving, transfers, returns and markdowns are all posted before the count. Unposted receipts are the classic source of false shrink. A count done before the last vendor delivery is entered will show a loss that disappears a week later.
| Source | Typical evidence | Accounting treatment |
|---|---|---|
| External theft (shoplifting, organized crime) | Count variance, incident reports | Shrink expense in COGS; insurance recovery booked separately |
| Employee theft | Investigations, exception reports | Shrink expense; restitution or bond recovery credited when collectible |
| Receiving and data errors | Unmatched receipts, wrong SKU entries | Correct the original entry; not true shrink |
| Vendor shorts and fraud | Receiving vs. invoice mismatch | Vendor receivable or debit memo, not expense |
| Damage, spoilage, expiry | Damage logs, write-off slips | Write down or write off to COGS |
The table matters for one reason: only genuine physical loss belongs in shrink expense. A short shipment is a claim against the vendor, and a keying error is a correction. Lumping them together hides recoverable money and makes loss prevention chase the wrong problem. Reconciling vendor statements as part of your month-end close catches most vendor shorts before they get buried in a count variance.
.png)
Assume book inventory at cost is $820,000 and the physical count at cost is $801,500. Shrink is $18,500.
| Account | Debit | Credit |
|---|---|---|
| Inventory shrinkage (COGS) | $18,500 | |
| Merchandise inventory | $18,500 |
Use a dedicated shrinkage sub-account under cost of goods sold rather than burying it in purchases. A separate account lets you trend shrink by month and store. Set it up deliberately in your chart of accounts, with sub-accounts by cause if your data supports it.
Under a periodic system there is no separate entry. Ending inventory comes from the count, and COGS = beginning inventory + purchases − ending inventory, so shrink is automatically inside COGS. That is simple, but it means you cannot see shrink at all, which is a strong argument for moving to perpetual records as the business grows.
Most retailers count once or twice a year, but monthly statements still need a shrink charge. Accrue an estimate based on historical rates.
Example: a store uses a 1.4% estimated shrink rate at retail and a 60% cost-to-retail ratio. Quarterly sales are $1,200,000.
| Account | Debit | Credit |
|---|---|---|
| Inventory shrinkage (COGS) | $10,080 | |
| Shrink reserve (contra inventory) | $10,080 |
The quarter-end count shows actual shrink at cost of $12,300. Book the $2,220 shortfall to expense, then clear the reserve against inventory:
| Account | Debit | Credit |
|---|---|---|
| Inventory shrinkage (COGS) | $2,220 | |
| Shrink reserve | $2,220 | |
| Shrink reserve | $12,300 | |
| Merchandise inventory | $12,300 |
If the count comes in below the accrual, reverse the excess. Review the estimated rate after each count so the accrual tracks reality.
A break-in removes goods costing $7,000. The insurer agrees to pay $5,000 after the deductible.
| Account | Debit | Credit |
|---|---|---|
| Inventory shrinkage (COGS) | $7,000 | |
| Merchandise inventory | $7,000 | |
| Insurance receivable | $5,000 | |
| Inventory shrinkage (or other income) | $5,000 |
Book the recovery only when it is probable and the amount is agreed. Our fraud prevention basics explain how to document employee theft for bond or insurance claims.
The receiving team signs for 200 units at $15 cost, but only 185 arrive. If the full invoice of $3,000 was already posted to inventory and payables, reverse the shortfall against the vendor instead of waiting for the count to expose it:
| Account | Debit | Credit |
|---|---|---|
| Accounts payable (vendor debit memo) | $225 | |
| Merchandise inventory | $225 |
If the invoice is already paid, debit a vendor receivable instead of payables. Track open debit memos and follow up each month, because vendors rarely issue credits on their own.
Damaged stock is often discovered during a count and mixed into shrink. Separate it when you can. Goods that can be sold at a discount are written down to net realizable value, and goods that must be destroyed are written off entirely. For 40 damaged units costing $25 each that can only be sold for $10 net:
| Account | Debit | Credit |
|---|---|---|
| Inventory write-down (COGS) | $600 | |
| Merchandise inventory | $600 |
Keep a damage log signed by a manager, with photos for high-value items. The log supports the write-down for both the auditor and the IRS, and it shows buyers which products or suppliers keep arriving in poor condition. Knowing the true landed cost of each SKU makes these write-downs more accurate, which is one of the reasons better cost accounting improves margins.
Many retailers value inventory using the retail method: track inventory at selling prices and convert to cost with a cost-to-retail ratio. Shrink fits in naturally. Ending inventory at retail is reduced by estimated shrink before applying the ratio, and the physical count at retail is compared with the book figure at retail.
The order of operations matters. Markdowns and shrink both reduce retail inventory, and whether markdowns go into the ratio changes the cost result. Choose a method, document it and apply it the same way every period. The interaction with cost flow assumptions is covered in our FIFO vs LIFO vs weighted average comparison.
Under ASC 330, inventory is carried at cost, and normal shrink is part of the cost of the goods sold. Most retailers present it in cost of goods sold, which keeps gross margin honest. Damaged and obsolete stock is a related but separate issue: goods worth less than cost are written down to net realizable value (or lower of cost or market for LIFO and retail method users).
Auditors will look at count procedures, the shrink accrual method and how count variances were investigated. Material, unusual losses (for example, a single large theft) may need separate disclosure. Expect auditors to test your internal controls over inventory as part of planning.
Under IRC Section 471(b), an inventory method does not fail to clearly reflect income just because it uses shrinkage estimates confirmed by a physical count after year-end. The condition is that you normally count inventory at each location on a regular and consistent basis, and adjust inventory and the estimating method when estimates differ from actual shrinkage. A retailer counting each store annually and accruing between counts generally fits.
IRS Publication 547 gives two options for a casualty or theft loss of inventory. You can let the loss flow through cost of goods sold by reporting opening and closing inventory correctly, and then include any insurance reimbursement in gross income. Or you can deduct it separately as a casualty or theft loss, removing the items from cost of goods sold and reducing the loss by the reimbursement. You cannot claim it both ways.
Shrink that flows through COGS shows up on Form 1125-A for corporations and partnerships, or Part III of Schedule C for sole proprietors. Smaller businesses that meet the inflation-adjusted gross receipts test may use the Section 471(c) simplified inventory methods, which change how much count detail is required. Keep count sheets, variance reports and investigation files. They are the support for the deduction if the IRS asks.
Controls cut actual loss and make the accounting more accurate at the same time:
Track shrink as a KPI by store, category and month next to gross margin and inventory turnover. Our list of essential KPIs for small business explains how to build that dashboard. Retailers who also sell online should reconcile marketplace inventory separately, since multichannel Amazon and Shopify accounting has its own sources of variance such as lost FBA units and reimbursements.
It is an expense, and most retailers present it within cost of goods sold. Some track it in a separate account for management reporting and roll it into COGS on external statements. Whichever you choose, apply it consistently so gross margin is comparable across periods.
NRF's last published industry average was 1.6% of sales for fiscal 2022. Rates vary heavily by category and location, and NRF no longer publishes a single average. Your own trend over several counts is the most useful benchmark.
Yes. Unexplained shrink found in a physical count reduces ending inventory, so it increases COGS and lowers taxable income. Proof of theft matters only if you claim a separate theft loss or an insurance recovery.
A full count at least once a year is the minimum for reliable statements and for using shrink estimates under Section 471(b). Cycle counts of high-risk items monthly or quarterly catch problems earlier and support a more accurate accrual.
No. Record them as a receivable or a debit memo against the vendor's invoice. Booking them as shrink overstates loss and gives up money you can usually recover.
Madras Accountancy supports US CPA firms and retailers with offshore accounting teams that post receiving, reconcile perpetual inventory, build shrink accruals and investigate count variances every close. For help setting up shrink accounting or cleaning up inventory records before an audit, contact our team. Manufacturers with raw material and WIP losses can also see our guide to inventory accounting for manufacturers.

The section 4960 excise tax is 21% of nonprofit pay over $1M. From 2026 it covers all employees. See the medical carve-outs, Form 4720 and a worked example.

The paid family and medical leave tax credit is permanent from 2026. See the 12.5% to 25% rates, the premium option, the 6-month rule and how Form 8994 works.

Opportunity zones become permanent in 2027 under the One Big Beautiful Bill. See the new deferral, rural bonus, and the 2026 handoff.