Gokce Tandogdu
ITIN Specialist, itin.net
The IRS does not publish a definitive, cumulative total of all Individual Taxpayer Identification Numbers (ITINs) ever issued. Therefore, answering precisely how many ITIN numbers have been issued is not possible with publicly available data. The IRS issues ITINs to individuals who are required to have a U.S. taxpayer identification number but do not have, and are not eligible to obtain, a Social Security number (SSN). This includes many non-resident aliens and foreign nationals who need an ITIN for various U.S. tax filing obligations or other specific U.S. financial requirements.
While a total count is unavailable, it is understood that millions of ITINs are issued each year. The IRS provides statistics on the number of ITINs issued annually, which gives a sense of the scale of issuance. These numbers fluctuate based on economic conditions, tax law changes, and the volume of foreign individuals engaging in U.S. financial activities.
Understanding the ITIN Issuance Process
The ITIN issuance process is handled by the Internal Revenue Service (IRS). Individuals who need an ITIN must apply by submitting Form W-7, Application for IRS Individual Taxpayer Identification Number. This application must be accompanied by original identification documents or certified copies, and a U.S. federal tax return (unless an exception applies). The IRS reviews these applications to ensure they meet the eligibility criteria for an ITIN.
There are several ways to submit a Form W-7 application. Applicants can mail their application and supporting documents directly to the IRS at the address specified in the Form W-7 instructions. Alternatively, they can apply through a Certified Acceptance Agent (CAA). CAAs are individuals or entities authorized by the IRS to assist applicants in obtaining ITINs. They can verify original identification documents, which allows applicants to submit copies instead of originals when applying through them. This can be a significant advantage, as it prevents applicants from having to mail their original passports or other vital identification documents to the IRS.
Some IRS Taxpayer Assistance Centers (TACs) also offer ITIN application services, but appointments are typically required and availability can be limited. The itin.net service can help you understand the options for obtaining your ITIN, whether by mail, through a CAA, or at an IRS TAC.
Why Are ITINs Issued?
ITINs are essential for individuals who are not eligible for an SSN but have U.S. tax obligations or other specific needs. Common reasons for needing an ITIN include:
- Filing U.S. federal income tax returns: This is the most common reason. Non-resident aliens receiving U.S. source income, or those claiming tax treaty benefits, generally must file a U.S. tax return using an ITIN. This applies even if they do not owe any tax.
- Filing U.S. informational returns: Certain individuals must file informational returns, such as Form 5472, Information Return of a U.S. Corporation With a 25% Foreign Shareholder, or Form 5471, Information Return of U.S. Persons With Respect to Certain Foreign Corporations. These forms are often required for owners of a U.S. LLC or foreign corporations with U.S. business activities.
- Opening U.S. bank accounts: While not always mandatory, many U.S. financial institutions require an ITIN (or SSN) to open certain types of accounts, especially if the individual is not a U.S. resident. This can be crucial for managing U.S. business finances or investments. Opening a U.S. bank account is often a necessary step for individuals establishing a business presence in the United States.
- Claiming tax treaty benefits: Non-residents may be eligible for reduced withholding rates on certain U.S. income under tax treaties. To claim these benefits, an ITIN is often required when filing the relevant tax forms or informational returns.
- Applying for a mortgage or other financial products: In some cases, an ITIN might be used to establish credit or financial history in the U.S. for purposes like obtaining a mortgage, although this is less common than tax-related uses.
ITIN Statistics and Trends
While the IRS does not release a cumulative count of all ITINs ever issued, they do publish annual statistics. These statistics show the number of ITIN applications received and ITINs assigned each year. For example, in recent fiscal years, the IRS has assigned well over a million ITINs annually. These figures highlight the significant and ongoing need for the ITIN program among foreign nationals and non-residents interacting with the U.S. tax system.
The volume of ITIN applications can be influenced by global economic trends, changes in U.S. immigration policy, and the overall volume of international business and investment activity involving the United States. For instance, periods of increased foreign investment in U.S. real estate or businesses often correlate with higher numbers of ITIN applications.
Understanding these trends can provide context for how many ITIN numbers have been issued over time, even without a precise total. The consistent high volume of annual issuances indicates that the ITIN program remains a critical component of U.S. tax administration for individuals without an SSN.
The Application Process: Step-by-Step
Applying for an ITIN involves several key steps. The process is designed to be thorough, ensuring that only eligible individuals receive an ITIN. Here is a general overview of how to apply:
- Determine Eligibility: First, confirm that you are not eligible for an SSN and that you have a valid reason for needing an ITIN (e.g., U.S. tax filing obligation). The IRS provides specific guidelines on eligibility in the instructions for Form W-7.
- Gather Required Documentation: You will need to provide proof of identity and foreign status. This typically means original identification documents such as a passport, national identity card, or birth certificate, along with supporting documents like a visa or driver's license. Alternatively, you can obtain certified copies of these documents from the issuing agency.
- Complete Form W-7: Fill out the Form W-7 accurately and completely. This includes providing your name, address, foreign tax identification number (if applicable), and the reason for applying for an ITIN. Ensure all information matches your supporting identification documents.
- Attach Supporting Documents: Include your original identification documents or certified copies with your Form W-7. If you are applying based on a tax return, you must also include a complete U.S. federal tax return. If you are applying for an exception to the tax return filing requirement, you must include documentation supporting that exception.
- Submit Your Application: You have three primary options for submission:
- Mail: Send your completed Form W-7, tax return (if applicable), and original or certified identification documents to the IRS address listed in the Form W-7 instructions. This method requires you to mail your sensitive documents, which can take several weeks or months for processing.
- Certified Acceptance Agent (CAA): Locate a CAA and submit your application through them. The CAA will verify your original identification documents and forward your application to the IRS. This is often the preferred method as it avoids mailing original documents and can sometimes expedite the process. itin.net works with a network of trusted CAAs.
- IRS Taxpayer Assistance Center (TAC): Schedule an appointment at an IRS TAC that offers ITIN application services. You must bring your original documents or certified copies with you for verification.
- Await IRS Processing: After submission, the IRS will process your application. If approved, you will receive an official ITIN assignment letter from the IRS, usually in the form of CP-565, ITIN Assignment Letter. Processing times can vary significantly.
Processing Times and Costs
The IRS does not charge a fee to apply for an ITIN. However, there are costs associated with obtaining the required documentation and, if applicable, using the services of a Certified Acceptance Agent (CAA) or a tax professional.
Processing times for Form W-7 applications can vary widely. Currently, the IRS estimates that it can take 11 weeks or longer to receive an ITIN if you mail your application directly to the IRS. This timeframe can be extended during peak tax seasons or if the application is incomplete or contains errors.
Applications submitted through a CAA may sometimes be processed more quickly, as CAAs can help ensure the application is complete and accurate before submission. However, the ultimate processing is still done by the IRS, and timelines can still be substantial. It is advisable to apply well in advance of any tax filing deadlines to allow ample time for processing.
If your application is part of a tax return filing, the processing time might be integrated with the tax return itself. The IRS typically assigns an ITIN and sends the CP-565 letter within 60 days for applications submitted with a tax return by mail, and within 25 days for applications submitted through a CAA with a tax return. These are estimates, and actual times can differ.
Common Mistakes and How to Avoid Them
Several common mistakes can lead to delays or denials of ITIN applications. Being aware of these pitfalls can help ensure a smoother process:
- Incomplete Application: Failing to fill out all sections of Form W-7 or omitting required information is a primary cause of delays. Ensure every field is completed accurately.
- Incorrect or Missing Documentation: Submitting expired identification, documents that do not prove both identity and foreign status, or failing to provide certified copies or originals can lead to rejection. Double-check the specific documentation requirements in the Form W-7 instructions.
- Not Including a Tax Return (When Required): Many applicants mistakenly believe they can get an ITIN without filing a tax return. Unless you qualify for a specific exception (e.g., third-party withholding), you must submit a valid U.S. federal tax return with your Form W-7 application. If you are planning to engage in U.S. business, you may also need an Employer Identification Number (EIN) for your business, which is obtained via Form SS-4.
- Mailing Original Documents: While the IRS accepts original documents, it is generally safer to use a CAA to verify your documents. This way, you retain your original passports and other vital IDs, reducing the risk of loss or theft during transit.
- Errors in Name or Address: Discrepancies between the name on your identification documents and the name on Form W-7, or incorrect address information, can cause issues. Ensure consistency across all documents.
- Outdated Forms: Always use the most current version of Form W-7 and its instructions available on the IRS website. Older versions may contain outdated information or requirements.
ITIN Renewal and Expiration
ITINs do not expire in the traditional sense, but they can become invalid if they are not used on a federal tax return for three consecutive tax years. Additionally, the IRS began a renewal program in 2016 for ITINs that have not been used in the last three years and that have specific middle digits. The renewal process is similar to the initial application process, requiring a renewed Form W-7 and updated identification documents.
If your ITIN has expired or become invalid due to non-use, you will need to renew it before you can use it for tax filing purposes. The IRS typically notifies individuals if their ITIN is subject to renewal. You can check your ITIN's status and renewal requirements on the IRS website or by contacting them directly. Renewing your ITIN also requires submitting a tax return, unless an exception applies.
It is important to keep your ITIN active by filing a federal tax return at least once every three years. This ensures your ITIN remains valid for all your U.S. tax and financial needs.
Seeking Assistance for ITIN Applications
Navigating the ITIN application process can be complex, especially for individuals unfamiliar with U.S. tax forms and procedures. Fortunately, there are resources available to help.
Certified Acceptance Agents (CAAs) are specifically trained and authorized by the IRS to assist with ITIN applications. They can guide you through the process, verify your documentation, and submit your application on your behalf. Using a CAA can significantly simplify the process and reduce the risk of errors. The itin.net service can connect you with qualified CAAs.
For more complex situations, or if you have specific questions about U.S. tax law, consulting a qualified tax professional such as an Enrolled Agent (EA), Certified Public Accountant (CPA), or an attorney specializing in international taxation is recommended. They can provide personalized advice and ensure compliance with all relevant U.S. tax regulations.
While the exact number of how many ITIN numbers have been issued remains undisclosed by the IRS, the consistent high volume of annual applications underscores the program's importance for foreign nationals involved in the U.S. economy. Whether for tax filing, business ownership, or other financial engagements, obtaining an ITIN is often a necessary step for non-residents. Planning ahead and understanding the application process, including potential requirements for an EIN or setting up a U.S. LLC, will contribute to a smoother experience.
For individuals who have obtained an ITIN and are now looking to establish a business in the U.S., securing an Employer Identification Number (EIN) is a common next step. You can learn more about applying for an EIN on our /ein page. If your business needs include forming a legal entity, our /llc page provides details on setting up a U.S. LLC.