Do U.S. companies use GAAP or IFRS?

Asked by: Pierce Marvin DVM  |  Last update: June 5, 2026
Score: 4.1/5 (4 votes)

U.S. companies, particularly public companies, are required by the Securities and Exchange Commission (SEC) to use U.S. GAAP (Generally Accepted Accounting Principles) for their financial reporting. While IFRS (International Financial Reporting Standards) is used globally, U.S. GAAP remains the mandatory standard for domestic issuers to ensure consistent, rules-based financial reporting.

Do US companies use US GAAP or IFRS?

IFRS is used in more than 110 countries around the world, including the EU and many Asian and South American countries. GAAP, on the other hand, is only used in the United States. Companies that operate in the U.S. and overseas may have more complexities in their accounting.

Is IFRS applicable in the USA?

It has not yet been adopted as an official system in the United States. However, any company that does a large amount of international business may need to use IFRS reporting on its financial disclosures in addition to GAAP.

Is GAAP still used in the USA?

U.S.-based publicly traded companies with domestic operations must use GAAP in their financial disclosures. Tax-exempt nonprofit groups, organizations that receive taxpayer-funded resources from the U.S. federal government, and businesses in certain regulated industries are also required to use GAAP.

What is the main difference between US GAAP and IFRS?

However, while this might lead one to ask what is the difference between GAAP and IFRS, the biggest difference between US GAAP vs IFRS is IFRS standards are principle-based while GAAP is a rule-based framework.

All Accounting Standards || IFRS

30 related questions found

Why doesn't the US use IFRS?

Declaring (and rightfully so) that their main goal is to protect US investors' interests, the SEC notes that IFRS lacks consistent application, allows too much leeway with judgment, and is underdeveloped in many specific areas, for which the US GAAP has detailed and accepted guidance and established practice ( ...

Is US GAAP or IFRS more strict?

IFRS offers broader international adoption and flexibility, while US GAAP provides strict, detailed rules—useful in highly regulated environments.

Which country uses GAAP vs IFRS?

GAAP is used primarily in the United States, while IFRS is adopted by over 195 countries and territories worldwide. Key differences include inventory valuation (LIFO vs FIFO), asset revaluation, and revenue recognition approaches.

When did IFRS replace GAAP?

When will the changes come into effect? The FRC has decided to apply the new regime for financial years beginning on or after 1 January 2015, which will require 2014 comparatives to be restated. What is FRS 102? FRS 102 will replace almost all current UK accounting standards from 2015.

Is US GAAP lifo or FIFO?

FIFO and LIFO are both approved by GAAP – the Generally Accepted Accounting Principles, which is used in the USA. The International Financial Reporting Standards, or IFRS, however, only accepts FIFO of the two.

Which country has not accepted IFRS?

The U.S., China, Egypt, Bolivia, Guinea-Bissau, Macao and Niger don't allow their domestic publicly traded companies to use International Financial Reporting Standards.

What accounting standard do the USA use?

The FASB Accounting Standards Codification® is the single official source of authoritative, nongovernmental U.S. generally accepted accounting principles (GAAP).

What accounting system does the US use?

The accounting standard commonly used in the U.S. is generally accepted accounting principles (GAAP), a rules-based system.

What is the difference between GAAP and US GAAP?

There are major differences between US GAAP and Indian GAAP in their underlying assumptions, format/presentation of financial statements, treatment of cash flows, depreciation, long term debts, consolidation of subsidiaries, investments, foreign currency transactions, research & development expenditures, revaluation ...

Is US GAAP more conservative than IFRS?

GAAP (generally accepted accounting principles) is considered more conservative because it is highly detailed and rules-based. IFRS (International Financial Reporting Standards), on the other hand, is principles-based and leaves more room for interpretation.

What are the 4 pillars of IFRS?

The four pillars of IFRS S1 and S2 are governance, strategy, risk management and metrics and targets.

Why doesn't the US adopt IFRS?

As noted in the SEC Staff Final Report, IFRS lacks guidance for a certain number of industries, and concluded that overall, U.S GAAP is more comprehensive than IFRS. The third and final reason for the delay concerns the shifting of standard-setting authority from the SEC to the IASB.

Is the UK using GAAP or IFRS?

While there are many similarities between these two standards, there are also many important differences. Generally speaking, most UK companies will use the UK GAAP FRS 102 accounting standard to prepare all financial statements.

Does Germany use GAAP or IFRS?

Germany is an EU Member State. Consequently, German companies listed in an EU/EEA securities market follow IFRSs since 2005. The European Commission (EC) periodically issues a document which summarises the use of options of the IAS Regulation by European Union Member States.

Is GAAP UK or US?

GAAP stands for Generally Accepted Accounting Practice in the UK and Generally Accepted Accounting Principles in the US, although the meaning is broadly the same.

What are the disadvantages of using GAAP?

GAAP can be expensive for companies lacking robust accounting infrastructure to implement and maintain. The need for specialized staff, auditing services, and continuous training to remain up-to-date with evolving standards can significantly strain financial resources.

Does US GAAP allow Lifo?

IAS 2 prohibits LIFO; US GAAP allows its use.

While the majority of US GAAP companies choose FIFO or weighted average for measuring their inventory, some use LIFO for tax reasons.

What is the 90% rule in leasing?

The 90% rule in leasing is an accounting guideline for classifying leases, stating that if the present value (PV) of a lessee's minimum lease payments equals or exceeds 90% of the leased asset's fair market value (FMV), the lease should be treated as a finance lease (or capital lease) rather than an operating lease, reflecting essentially a purchase for accounting purposes. This rule helps determine if the lease transfers substantially all the risks and rewards of ownership, requiring balance sheet recognition of the asset and liability. 

What is the most complicated IFRS?

IFRS 9 Financial Instruments is one of the most challenging standards because it's quite complex and sometimes complicated.