Updated 11/03/25 with August Bureau of Labor Statistics Inflation Rates
During periods of inflation, the LIFO method is most clearly reflective of income because it most closely matches current costs with current revenues. Mechanically speaking, when costs are rising, LIFO charges the inflationary component of ending inventory to cost of goods sold (lowers ending inventory & raises COGS). As a result, LIFO removes artificial profits created from price inflation, which in turn reduces federal and state income tax payments.
The LIFO method (last-in, first-out) is the most beneficial inventory-based tax savings strategy because it uses inflation to reduce taxable income, which in turn increases cash flow. Because of this, tens of thousands of companies use the LIFO method. There are many reasons to use the LIFO method, which include the following:
View/download LIFOPro’s 2025 Top LIFO Election Candidates & Tax Benefit Calculator Excel file by clicking this link: LIFOPro’s 2025 Top LIFO Election Candidates & Tax Benefit Calculator
The illustration below shows the effect of tariffs on the inflation calculation & the resulting LIFO tax benefit.

Key performance indicators or KPIs provide a reasonable means of determining the following:
The KPIs listed below allow for objective metrics to be used to weigh LIFO’s risks and rewards and costs vs. benefits and should be considered an integral component of the LIFO election scoping process:
LIFOPro’s complimentary benefit analysis uses the above KPIs to assist in the LIFO election scoping process.
The costing method used to value inventory is considered an accounting method or principle. Because of this, companies issuing GAAP financial statements must establish that LIFO is preferable to the existing method.
LIFOPro uses a scoring system & the following criteria to perform preferability testing:
LIFOPro measures the two above criteria by assigning Bureau of Labor Statistics Consumer/Producer Price Indexes (BLS CPI/PPI) to product mix on hand at the time of potential LIFO election & performing a 20 year pro forma LIFO calculation. Meeting both of the above criteria is sufficient justification to establish LIFO as a preferable method.. Companies meeting both of the above criteria should explore a LIFO election; those that don’t should not since LIFO is not preferable.
LIFO creates a tax benefit when there’s inflation but creates a tax liability when there’s deflation. The LIFO tax benefit amount is dependent on the amount of inflation measured in the year of election (prior or future period inflation can’t be used!). Because of the two above facts, LIFOPro requires 1 or both of the following election timing KPIs to recommend a current year election:
LIFOPro’s scoring system described above system & scoring criteria are integrated into LIFOPro’s 2025 Top LIFO Election Candidates Tables shown below. They’re also integrated in our complimentary LIFO election benefit analysis reports prepared for companies who aren’t on LIFO but are considering adoption.
The simple answer is NO! With that being said, there are two options for how goods are to be tracked using LIFO:
When the dollar-value LIFO method is used, accounting functions such as purchases and sales are tracked and recorded in the accounting system the same way they were prior to the LIFO election. Item costs are never tracked on a LIFO basis under this method. Instead, LIFO is accounted for as a top-side journal entry at year end. The inventory physical cost flow activity and year end inventory balances are illustrated above for a company making a first-time LIFO election for the 2025 year end. Shown below are three illustrations of how the year end LIFO calculation occurs outside of the accounting information system under the dollar-value LIFO method. The first illustration shows how inflation is calculated. The second illustration shows the calculation of the LIFO inventory value, LIFO reserve and LIFO expense. The third and fourth illustrations show how LIFO is accounted for as a top-side adjusting journal entry.
LIFO is applied prospectively beginning in the year of election, and the election year LIFO tax benefit is calculated based on the annual inflation rate measured as of the year end date. For example, a December year end company electing LIFO for the 12/31/2025 year end will measure the annual inflation rate by comparing CY or 12/31/25 & PY or 12/31/24 costs.
Tariffs will create a one-time increase to inflation in the first period they’re incurred if the same tariff rate is in effect for two consecutive periods. Companies seeking to capture the tariff component of the tax benefit must elect LIFO in the first period the initial or increased tariff costs are incurred. Events such as tariffs or high inflation periods represent the best time to elect LIFO because the first year tax benefits will be exponentially higher than they would be when electing during a normal inflation period. A comparison of the taxable income reduction & resulting tax benefits from electing LIFO during a high vs. normal inflation period is illustrated below.
As seen above, a company with $10M in inventory electing LIFO in a high inflation period (2025) had a total LIFO tax benefit of $569K after its fifth year on LIFO. Assuming that same company waited until the following year to elect LIFO during a normal inflation period (2026), the total LIFO tax benefit after its fifth year on LIFO was $172K, which is about one third of the total LIFO tax benefit obtained when electing during a high inflation period.
Although LIFO typically provides material long-term tax benefits, there are certain events that can trigger taxable income when using the LIFO method. Those are as follows:
Events such as deflation are inevitable in certain industries, but rarely occur in others. Accordingly, understanding the historical inflation frequency is a key consideration to take into account when considering a LIFO adoption. For example, steel mill products have a 60% inflation frequency rate over the last 20 years, which infers that inflation has occurred in 12 of the last 20 years, and deflation has occurred in 8 of the last 20 years. Knowing this, there’s a high likelihood that deflation will occur every few years in industries such as steel mill products, which will cause taxable income to be created in the deflationary periods.
Some view the use of the LIFO method to be a deferral or delay of income tax payments and assume recapture to be an inevitable event. Others perceive LIFO to create a quasi-permanent tax benefit if one were to assume the continued use of the LIFO method in perpetuity. Regardless of one’s view of LIFO, there are selected events that are certain to cause complete recapture of the LIFO reserve into taxable income, such as the ones listed above. Knowing this, it’s important to keep the following in mind:
The following inflation calculation approaches are available when using the dollar-value LIFO method:
Many companies use the IPIC method for the following reasons:
Some companies use internal indexes for the following reasons:
The effects of tariffs on inflation & LIFO tax benefits are dependent on inflation measurement source:
The effect of tariffs on the 2025 LIFO tax benefit can be materially different when using an internal vs. external inflation index. With this in mind, it’s imperative to consider all options available prior to adopting LIFO to ensure the methods elected maximize tax benefits. LIFOPro’s complimentary benefit analysis includes comparative internal and external inflation index calculations and submethods recommendations.
Some or all goods can be valued using LIFO. A selective election scope infers that less than 100% of inventories are valued using the LIFO method. Although a general rule of thumb is to place all goods on LIFO to maximize the tax benefit, thorough analysis is highly recommended prior to electing LIFO. This is because including deflationary goods in the election scope could materially reduce LIFO’s long-term tax benefits. LIFOPro’s best practices regarding determining the LIFO election scope is described below.
Some or all goods can be valued using LIFO. A selective election scope infers that less than 100% of inventories are valued using the LIFO method. Although a general rule of thumb is to place all goods on LIFO to maximize the tax benefit, thorough analysis is highly recommended prior to electing LIFO. This is because including deflationary goods in the election scope could materially reduce LIFO’s long-term tax benefits. LIFOPro’s best practices regarding determining the LIFO election scope is described below.
In 2025, new tariffs were applied and existing tariff rates were increased to a substantial portion of goods imported into the United States. The current average effective tariff rate on U.S. imported goods is 18%, which is nearly 7x higher than the 2024 average effective tariff rate of 2.5%. Since tariffs must be included as a component of inventory costs & can’t be expensed as period costs, they have a direct effect on inflation. In 2025, tariffs have created elevated inflation in most industries when compared to the historical averages. As a result, most companies can obtain material tax benefits from electing LIFO this year.
The most notable LIFO election opportunities from a tax benefits perspective are summarized below by Bureau of Labor Statistics Producer Price Index (BLS PPI) group. The 2025 year to date inflation rates for the eight months ended August 2025 are listed first & the 2025 annualized inflation rates are listed second.
Download the complete list & tax benefit calculator Excel file here: LIFOPro’s 2025 Top LIFO Election Candidates List & Tax Benefit Calculator
LIFOPro’s 2025 top LIFO election candidates list allows you to quickly determine or accomplish the following:
LIFOPro’s complete list of the 2025 top LIFO election candidates are listed below, and are broken out into the following three tables:
LIFOPro offers complimentary election benefit analysis that provides a comprehensive assessment of the risks and rewards of LIFO using your client’s or company’s actual inventory data. Prior to obtaining this analysis, many of our CPA firm partners will perform a high-level benefit analysis because it acts as a pre-screening tool to confirm that LIFO election scoping should occur, and it provides meaningful metrics that can be shared with the client when preliminary discussions occur with them about LIFO. To do so for a single client, take the following steps:
LIFOPro will build a LIFO election scoping target client list for your CPA firm at no cost. Obtaining such a list is extremely effective when your firm would like to implement a firm-wide initiative to integrate LIFO election scoping into year end tax planning. All that’s required is to provide LIFOPro with an Excel file containing the following fields:

There are a variety of LIFO “submethod” alternatives available, and in some cases, there are material differences in the recurring administrative burden & long-term tax benefits amongst the various submethod options. Listed below are the most notable submethod alternatives & LIFOPro’s best practices feedback.
Using the costs of the goods paid to suppliers and vendors to measure inflation for LIFO calculation purposes is known as internal indexes. Inflation is measured by double extending current quantities against the current & prior period’s unit costs, and the sum of the current & prior period’s extensions are divided to calculate a current year inflation index. Since prior year unit costs don’t exist for new items, it’s critically important to understand the new item inflation treatment alternatives. This is especially important when new items represent a material value. A background & best practices are described below.
As an industry, auto dealers are one of the most predominant LIFO users. This is much in thanks to the consistent historical inflation that exists in the automobile industry. Most dealerships are eager to maximize tax deferral & minimize taxable income by using LIFO because of the profitable nature of the industry. There are a wide range of method alternatives & calculation options, so it’s critical to understand the various options available, and the best practices to employ, which are listed below.
The long-term LIFO tax benefits will outpace the long-term LCM reserve tax benefits because the LIFO tax benefits will grow in perpetuity when there is inflation (even if the inventory balance doesn’t increase). Contrarily, the LCM reserve tax benefits only increase when inventory levels grow and/or more vehicles are reserved or written down, and they actually decrease or are recaptured every time that a vehicle with a reserve is sold (LCM reserve is directly tied to each vehicle) . Conversely, the LIFO reserve remains intact when vehicles are sold as long as additional vehicles replace the sold vehicles by the end of the year. Said another way, the LIFO reserve is not tied directly to each vehicle, but instead based on the total dollar-value, which is why most companies use the dollar-value method, and not the specific goods or unit LIFO method which ties a LIFO value to each item.
Note: a common misconception is that companies are using specific goods or unit LIFO when they are in fact using the dollar-value LIFO method, and are using the “specific identification” or specific ID method to determine their year end inventory balance at cost i.e. Current-year Cost. Nearly all companies use dollar-value LIFO because the tax benefits are materially higher than the unit LIFO method.
The recommendations for the scope of the goods to be valued using LIFO is dependent on the inflation measurement source used by auto dealers because there are differences in the way that inflation can be measured amongst the alternatives. The best practices are broken out by the two available inflation measurement sources:
Historically speaking, the alternative LIFO method (ALM) has been the most predominantly utilized auto dealer LIFO inflation measurement source because from the time of its inception in the early 1990s up until COVID, it created materially higher inflation & long-term LIFO tax benefits than the IPIC method. With that being said, the IPIC method was occasionally used during this time because it reduced the administrative burden & tight reporting deadlines associated with the ALM (IPIC only requires inventory balances by cars, trucks and parts to calculate inflation. ALM
requires invoices for all vehicles on hand at year end along with a source for obtaining the prior period base vehicle cost to measure inflation, which can be extremely burdensome).
Beginning with the COVID pandemic, the IPIC method inflation became initially comparable with the ALM. In 2021 and 2022, the IPIC method inflation became materially higher than the ALM, and because of this, sizably higher LIFO tax benefits were there for the taking by willing participants. As a result, a huge influx of accounting method changes were made by auto dealers to switch from the ALM to the IPIC method in 2021 & 2022. Additionally, many auto dealers who were making the change from the ALM to the IPIC method were also expanding their LIFO election scope to include used vehicles to take advantage of unprecedented inflation & LIFO tax benefits (and also to offset or eliminate LIFO recapture that had been or was occurring due to the material vehicle liquidations caused by the supply chain disruptions). The switch to the IPIC method was essentially a slam dunk for many auto dealers when the additional tax benefits were paired with the promise of significantly reduced administrative burden, expedited LIFO reporting and lower outsourcing costs.
As of today, there is wide-spread usage of both the alternative LIFO method and the IPIC method. As of 2025, the inflation differential & LIFO tax benefits for the upcoming year end is sometimes comparable or better for the IPIC method, but just as often can be more beneficial when using the ALM (BLS PPI inflation is 2%; ALM new vehicle inflation is wide ranging from flat to 1% – 2% inflation). With that being said, the alternative LIFO method will always carry higher administrative burdens, outsourcing costs, and longer LIFO reporting turnaround times compared to the IPIC method, so the best practices regarding the inflation measurement source will be dependent on the specific wants and needs of each dealer. An overview of the two alternatives are provided below.
Alternative LIFO method (ALM): Measures inflation based on comparing current & prior period’s invoice costs for all vehicles on hand at year end; Item definition are the model codes.
IPIC method: Measures inflation by using Bureau of Labor Statistics Consumer/Producer Price Index (BLS CPI/PPI); Items are defined by the BLS categories (1. Cars 2. Trucks, SUVs & minivans 3. Parts)
When an error or series of errors occur in the LIFO calculation, the corrective actions available and/or required to be made are dependent on the frequency of the error (if the error occurred once or in multiple consecutive periods). Separate GAAP or financial reporting and tax rules also apply when accounting for LIFO errors, which are outlined below.
Most LIFO-related IRS accounting method changes are applied on a cut-off basis, which implies the change is applied prospectively beginning in the year of change, and no §481(A) adjustment to adjust income as reported under the new method is required or permitted. The two exceptions are designated change number (DCN) 54 for Impermissible methods of inventory identification & valuation & DCN 56 for changing from the LIFO method to a non-LIFO method (aka terminating LIFO election). Both of the aforementioned changes are not applied prospectively & require prior period adjustments because they relate to non-LIFO inventory regulations which fall under §471 (all LIFO regulations fall under §472). A complete list of LIFO-related automatic approval accounting method changes are provided below.

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