Last updated 1 day ago. Our resources are updated regularly but please keep in mind that links, programs, policies, and contact information do change.
The Internal Revenue Service (IRS) is the United States government agency responsible for collecting federal taxes and enforcing tax laws. Part of the Department of the Treasury, the IRS administers the tax code by processing tax returns, collecting payments, and carrying out audits and investigations when needed. At the same time, it provides services and education to help taxpayers meet their obligations, with a mission to do so with integrity and fairness. In recent years the IRS has undergone significant changes – from funding boosts to technology upgrades – aimed at improving how it serves the public and ensures compliance.
Historical Background
The IRS traces its roots to the Civil War era. In 1862, President Abraham Lincoln signed a law creating the Office of the Commissioner of Internal Revenue and instituting the nation’s first income tax to help fund war expenses. This early income tax was temporary and was later repealed, leaving the federal government to rely on taxes like liquor and tobacco for revenue into the late 1800s. The modern federal income tax system began in 1913 with the ratification of the 16th Amendment to the Constitution, which gave Congress clear authority to tax individual and corporate incomes. That same year, the first Form 1040 income tax return was introduced, marking the start of an enduring tax filing tradition. Over subsequent decades, the agency grew in size and responsibilities – for instance, taking on enforcement of Prohibition in the 1920s and expanding greatly during World War II when income tax was extended to a broader portion of the population. In 1953, a major reorganization under President Eisenhower changed its name from the Bureau of Internal Revenue to the Internal Revenue Service, reflecting a new emphasis on taxpayer service and professionalism. Throughout the 20th century, the IRS continued to modernize, embracing computers in the 1960s and launching electronic tax filing in the 1980s. By the end of the 1990s, Congress enacted further reforms to expand taxpayer rights and reorganize the IRS into divisions focused on different taxpayer groups. This long evolution – from a wartime revenue office to a modern, computerized tax administration – set the stage for the IRS’s current role and the recent developments shaping it today.
Core Functions of the IRS
The IRS is responsible for administering and enforcing federal tax laws, which involves a wide range of activities from processing returns to educating the public. Each year, the agency handles hundreds of millions of tax filings and collects trillions of dollars in revenue on behalf of the U.S. government. To fulfill its mission, the IRS operates through several core functions:
- Tax Collection and Processing: The IRS collects the taxes that fund the federal government’s operations. This includes processing individual and corporate income tax returns, as well as returns for payroll taxes, estate and gift taxes, excise taxes, and other federal taxes. In Fiscal Year 2023 alone, the IRS processed about 271.5 million tax returns and forms and collected nearly $4.7 trillion in gross taxes. It also issues tax refunds – over $650 billion in 2023 – to taxpayers who overpaid during the year. Collection isn’t just automated; the IRS has employees and systems in place to receive payments, manage installment plans, and pursue overdue tax debts when necessary.
- Enforcement and Audits: A critical IRS function is enforcing tax laws to ensure compliance. The agency reviews filed returns and uses risk-based scoring to identify potential errors or underreporting. It conducts audits (examinations of tax returns) to verify that taxpayers have reported their income and deductions accurately and paid the correct amount of tax. These audits can range from simple mail correspondence audits to detailed, in-person examinations of complex business finances. While only a small fraction of returns are audited (historically under 1% on average), the enforcement presence is meant to deter tax evasion. The IRS also has a Criminal Investigation division that probes willful tax fraud, money laundering, and other financial crimes. High-profile enforcement actions – from Al Capone’s tax evasion case in 1931 to modern cases of corporate fraud – underscore the IRS’s role in upholding the law.
- Taxpayer Services: The IRS provides extensive services to help taxpayers understand and meet their tax responsibilities. This includes publishing tax forms, instructions, and guidance in print and online, operating toll-free help lines, and maintaining an informative website (IRS.gov) which had over 880 million visits in FY2023. The agency runs local Taxpayer Assistance Centers nationwide where people can get in-person help with tax questions or resolve issues. It also supports free or low-cost tax preparation programs, such as the Volunteer Income Tax Assistance (VITA) and Tax Counseling for the Elderly, to assist eligible taxpayers in filing returns. During the 2023 filing season, improved customer service meant IRS representatives answered far more taxpayer phone calls and cut average wait times dramatically (down to about 4 minutes from 27 minutes the year prior). All these services aim to make it easier for Americans to comply voluntarily with tax laws.
- Education and Outreach: Educating taxpayers is another important function. The IRS creates plain-language publications, FAQs, and online tools to explain tax rules and help people avoid mistakes. It conducts outreach to specific groups – for instance, small business owners, farmers, or new entrepreneurs – about their tax obligations. The IRS also runs seasonal campaigns (like the annual “Tax Tips” series and the “Dirty Dozen” list of tax scams) to inform the public about common errors or fraudulent schemes to watch out for. By improving awareness and understanding, the IRS’s education efforts help boost voluntary compliance. This proactive approach can reduce the need for enforcement later, as informed taxpayers are more likely to file accurately and on time.
- Interpretation and Guidance: Although tax laws are written by Congress, the IRS plays a role in interpreting and implementing those laws. It issues regulations (often in conjunction with the Treasury Department), rulings, and guidance to clarify gray areas of the tax code. For example, when new tax legislation is passed, the IRS must create new forms and instructions and often provides additional explanations or examples so that taxpayers and tax professionals understand how to comply. While not a “public facing” service in the same way as taxpayer assistance, this function is crucial for the tax system to operate smoothly. The IRS’s published guidance, from annual tax brackets and deduction limits to regulations on complex transactions, provides the rules of the road for taxpayers. In addition, the IRS adjudicates disputes through an appeals process (via the Independent Office of Appeals) for taxpayers who disagree with an audit finding or penalty, ensuring due process and clarity in how tax laws are applied.
By balancing these core functions – collecting revenue, enforcing compliance, serving and educating taxpayers, and interpreting tax law – the IRS strives to uphold the tax system that funds the government. Each function complements the others: for instance, good service and education encourage voluntary compliance, which in turn reduces the need for heavy enforcement. The net result is a system in which the vast majority of taxes are paid willingly and on time, with the IRS stepping in when needed to address shortfalls.
Recent Developments
In the past few years, the IRS has seen major changes and initiatives aimed at modernizing the agency and improving its performance. Several key recent developments include new funding, policy shifts, and technological upgrades:
- Boost in Funding and Strategic Overhaul: In August 2022, the Inflation Reduction Act was enacted, providing roughly $80 billion in additional funding for the IRS over a decade. This infusion – the largest budget increase for the IRS in decades – is intended to strengthen tax enforcement, upgrade outdated technology, and enhance customer service. In April 2023, the IRS released a detailed Strategic Operating Plan outlining how it will use these funds to transform the agency over the next ten years. The plan includes 42 initiatives and hundreds of specific projects, signaling an ambitious effort to dramatically improve service to taxpayers and the nation. Key goals are to rebuild customer service, end long telephone wait times, expand in-person assistance, and develop new online tools. On the enforcement side, the IRS is hiring and training new compliance personnel to focus on complex high-income and corporate tax evasion that has gone largely unchecked in recent years. Another priority is to update the IRS’s core technology systems, some of which date back to the 1960s, to better protect data and improve efficiency. This unprecedented multi-year funding allows the IRS to undertake long-delayed improvements and signals a policy shift toward strengthening the agency’s capacity.
- Improved Taxpayer Services: Taxpayers have begun to see tangible service improvements as a result of these initiatives. During the 2023 tax filing season, the IRS vastly expanded its customer service staffing and adopted new practices, yielding a dramatic increase in service quality. The Treasury Department reported that the IRS achieved an 87% Level of Service on its telephone lines in the 2023 filing season (far above the dismal 15% service level in 2022). Thanks to about 5,000 new customer service hires funded by the recent budget boost, the IRS answered millions more taxpayer calls and cut average phone wait times from nearly half an hour to just about 4 minutes. In addition, the agency served more people face-to-face at Taxpayer Assistance Centers and cleared backlogs of unprocessed returns that had built up during the COVID-19 pandemic. The IRS also deployed new digital tools, including an online chat support pilot and a new direct-deposit refund option for amended returns. These improvements mark a significant turnaround in customer service, making it easier for Americans to get help with their taxes and receive timely refunds.
- Technology and Modernization Efforts: The IRS is aggressively pursuing technology upgrades to bring the agency into the 21st century. One headline initiative is a move toward paperless processing of tax returns. Traditionally, the IRS has been flooded with paper – tens of millions of paper returns and correspondence each year – which then had to be manually transcribed into computers, causing delays and errors. In 2023, the IRS began deploying high-speed scanning technology to digitize paper returns, and it launched a plan to fully digitize all paper-filed tax returns by the 2025 filing season. This means that in the near future, every paper document received will be quickly scanned and processed electronically, cutting processing times in half and saving the agency from handling up to 200 million pieces of paper annually. The IRS is also updating its core software systems: for example, work is underway to replace the 1960s-era Individual Master File (the main database for taxpayer accounts) with a modern system by 2028. Upgraded systems will make it easier for the IRS to adapt to tax law changes, view taxpayer data in real time, and enhance security. Another technological development is the exploration of data analytics and artificial intelligence (AI) to improve enforcement. The IRS has started using advanced algorithms to detect patterns of tax evasion and flag sophisticated cheating schemes that human examiners might miss. In September 2023, the IRS announced it would be leveraging AI tools to better identify high-income tax dodgers and abusive tax shelters, part of a “sweeping effort to restore fairness” in the tax system. While still in early stages, these tech initiatives aim to make the IRS more efficient, effective, and responsive.
- Policy Shifts in Enforcement: With the new resources, the IRS is also changing how it approaches tax enforcement to address perceived inequities. A key pledge by Treasury and IRS leadership has been that audit rates will not increase for ordinary taxpayers (those earning under $400,000) relative to historic levels. Instead, enforcement efforts are being concentrated on areas where non-compliance is greatest – namely, high-income individuals, wealthy partnerships, and large corporations that may be avoiding taxes through complex maneuvers. Over the past decade, audit rates for millionaires and big businesses plummeted as IRS funding and staffing declined, reaching what the IRS Commissioner called “the lowest audit rate of wealthy filers in our history” due to underfunding. Now, the IRS is reversing that trend. It has launched initiatives to scrutinize high-income non-filers (people who owe taxes but haven’t filed returns) and to send revenue officers after individuals earning over $1 million who have large tax debts. The agency is also ramping up enforcement on promoters of abusive tax schemes. The overarching goal is to improve tax fairness by ensuring that the wealthy and big companies pay what they legally owe, thereby narrowing the tax gap (the difference between taxes owed and taxes paid). As part of these efforts, the IRS is adding new safeguards for low-income taxpayers so that increased enforcement doesn’t inadvertently target those claiming credits like the Earned Income Tax Credit improperly. In short, recent policy shifts aim to refocus IRS enforcement energy upward (toward the highest end of the income spectrum) while easing burdens on average taxpayers who are trying to comply.
- New Filing Options for Taxpayers: Another notable development is the IRS’s exploration of offering free direct tax filing to the public. Historically, the IRS has partnered with private tax software companies (through the “Free File” program) to provide free online filing for certain taxpayers, but the agency itself did not offer its own filing system. That changed with a pilot program in 2024: the IRS tested a new Direct File system allowing taxpayers in several states to file their federal income tax returns directly on IRS.gov, for free. Over 140,000 taxpayers participated in this initial pilot, and user feedback was largely positive. Following the pilot’s success, the IRS announced plans to make Direct File a permanent free e-filing option beginning with the 2025 tax season. This means taxpayers across the country may soon have the choice to prepare and submit their taxes on an official IRS system, without needing to go through third-party software. The Direct File initiative is being developed with modern, user-friendly design and is offered in multiple languages, aiming to reduce the cost and complexity of filing for millions of people. While it will roll out gradually, its existence represents a significant shift in how the IRS interacts with taxpayers, essentially becoming a tax preparer in addition to a tax collector. This move has been enabled by the recent funding and reflects the IRS’s commitment to improving the filing experience as part of its service mission.
These recent developments show an IRS in the midst of transformation. After years of constrained resources, the agency is now investing in customer service, technology, and smarter enforcement. Taxpayers are beginning to notice shorter wait times and new online tools, and in the coming years the IRS is poised to become a more modern, data-driven organization. The changes are ongoing, but the goal is clear: a more efficient IRS that can better serve compliant taxpayers while cracking down on those who flout the law.
Economic and Social Impact
The IRS plays a vital role in the nation’s economic and fiscal health. By collecting the revenues needed to fund federal programs, the IRS directly affects the government’s ability to provide public services. In a typical year, the IRS brings in trillions of dollars – money that goes to everything from national defense and infrastructure to Social Security, healthcare, and education. In Fiscal Year 2023, for example, the IRS collected about $4.7 trillion in gross taxes, accounting for the vast majority of federal receipts. These funds are what allow the government to operate and invest in public goods. As IRS Commissioner Danny Werfel put it, “The nation relies on the IRS to collect funding for every critical government mission – from keeping our skies safe, our food safe, and our homeland safe.” Without the IRS effectively doing its job, the government would lack the resources to serve its citizens or would be forced to incur greater debt.
Beyond the raw dollars, the IRS influences tax compliance and fairness in the tax system, which have broad social implications. The United States historically enjoys a high rate of voluntary tax compliance – roughly 85% of taxes are paid accurately and on time according to IRS estimates. This means the majority of Americans follow the law and contribute their share. The IRS’s presence and enforcement efforts help maintain this compliance by deterring would-be evaders. If people believe that tax cheating will be caught and penalized, they are more likely to report honestly. High compliance is crucial: even a small decline (a few percentage points) in the compliance rate can cost the nation hundreds of billions of dollars in lost revenue and effectively shift the burden onto honest taxpayers. Those who pay what they owe end up shouldering more of the cost of government when others shirk their duty. Thus, IRS enforcement protects the integrity of the tax system and a sense of fairness – everyone should pay their legally required share, so that no group feels the system is rigged or favoring cheaters.
The IRS also has an impact on society through the way it administers certain tax benefits and credits. The tax code is not only a revenue-raising tool; it’s also used to deliver social benefits. For instance, the IRS administers the Earned Income Tax Credit (EITC) and the Child Tax Credit (CTC), which provide financial support to low- and moderate-income working families. These credits, claimed via tax returns, lift millions of Americans above the poverty line each year and are among the nation’s most effective anti-poverty programs. In this way, the IRS acts as a benefit administrator, not just a collector – sending out billions in refunds and credits that support household incomes and consumer spending. Additionally, the IRS’s collection of payroll taxes funds Social Security and Medicare (through the Federal Insurance Contributions Act), directly supporting the social safety net for retirees and the disabled.
Furthermore, how the IRS interacts with taxpayers can influence public trust in government. A positive or negative service experience with the IRS may shape perceptions of government efficiency overall. For example, when taxpayers get prompt refunds and helpful service, it can increase confidence that tax dollars are being managed competently. On the other hand, long delays, errors, or perceptions of unfair targeting can erode trust. By improving its customer service and communication, the IRS not only helps individual taxpayers but also strengthens the public’s faith in the tax system itself. The agency has adopted a Taxpayer Bill of Rights and other measures to underscore its commitment to fairness and respect in all dealings. This focus on taxpayer rights and fairness is crucial because compliance in the U.S. tax system is largely voluntary – it hinges on cooperation between taxpayers and the IRS. If people perceive the system as fair and the IRS as reasonable, they are more likely to comply willingly, which in turn reduces enforcement costs and conflict.
The IRS’s impact extends well beyond collecting checks every April. Economically, it is the engine that funds the federal government. Socially, it helps uphold a contract among citizens that everyone contribute their fair share, and it delivers important benefits through the tax code. A well-functioning IRS underpins a fair tax system: one that can raise needed revenue while treating taxpayers equitably. Conversely, if the IRS falls short – by failing to collect what’s owed or by over-burdening honest taxpayers – the effects are felt in underfunded public services, larger deficits, or diminished trust in governance. Thus, the effectiveness of the IRS has real consequences for every American, whether they directly interact with the agency or not.
Future Outlook
Looking ahead, the future of the IRS is one of significant transformation – if current plans come to fruition. With new funding and a clear mandate from Congress to modernize, the IRS is poised to make substantial changes in how it operates over the next decade. Here are some key aspects of the IRS’s future outlook:
- Modernized Systems and Processes: By the end of this decade, the IRS aims to finally retire and replace its oldest core computer systems. The Strategic Operating Plan calls for the complete phase-out of the antiquated Individual Master File by 2028, moving taxpayer data to a modernized platform. This will enable real-time updates to taxpayer accounts and faster implementation of tax law changes. Additionally, the IRS’s push toward a fully paperless process by 2025 could revolutionize tax administration. In the near future, most taxpayers will be able to handle all tax interactions digitally – from e-filing returns to responding to IRS notices through online accounts – eliminating much of the snail-mail back-and-forth that has characterized dealings with the IRS. The agency is also investing in advanced analytics, machine learning, and AI to improve both service and enforcement. For example, AI could help the IRS spot patterns of identity theft or refund fraud more quickly, or flag complex tax shelters used by partnerships for review. The vision is an IRS that uses data and technology as effectively as leading financial institutions, providing security and convenience. Of course, executing these tech projects will require careful management, but the outcome could be a far more efficient tax system that benefits both government and taxpayers.
- Enhanced Taxpayer Experience: The IRS of the future is being designed with a “taxpayer-centric” approach. This means easier interactions and more proactive help for taxpayers. We can expect more robust online services – for instance, improved online taxpayer accounts where individuals can see their balance, make payments, get transcripts, and communicate with the IRS securely, much like online banking. The IRS is also exploring using secure messaging and expanding live chat assistance after the initial pilots have shown success. The Direct File program, once fully implemented, could simplify filing season for millions by providing a free, straightforward way to file taxes without needing third-party software or paid preparers. The agency is likely to continue simplifying its forms and correspondence, using clearer language (a process already underway) so that average people can understand IRS communications without a tax degree. Furthermore, the IRS has established a new Taxpayer Experience Office (mandated by the Taxpayer First Act of 2019) whose sole job is to coordinate service improvements and measure customer satisfaction. In practical terms, the hope is that in a few years, contacting the IRS will not be the frustrating ordeal it has sometimes been in the past. Hold times should remain low, and more issues will be resolvable online 24/7. The IRS’s strategic plan explicitly sets the goal of quickly resolving taxpayer issues when they arise and providing the service people deserve. If these goals are met, the average taxpayer might feel a noticeable reduction in the stress traditionally associated with “tax time.”
- Targeted and Fair Enforcement: On the enforcement front, the IRS’s future strategy is to be more targeted and effective. With better technology and more specialized personnel, the agency plans to narrow the tax gap by focusing on the areas of greatest non-compliance (rather than casting a wide net of random audits). This could mean more audits and investigations involving complicated partnerships, international income hiding, and ultra-wealthy individuals with aggressive tax avoidance strategies – precisely the cases that had been falling through the cracks. By contrast, routine W-2 wage earners may see even fewer audits, since their income is already transparently reported. The IRS has committed that audit rates for households under $400k will not exceed historical levels, so the typical middle-class family likely won’t experience any increase in audit likelihood. We may also see a gentler touch in enforcement for those who make honest mistakes. The combination of better data (to flag only truly suspicious returns) and an emphasis on taxpayer rights could result in the IRS avoiding “no-change” audits or unnecessary examinations that burden compliant taxpayers. In addition, the agency is working on improving how it deals with tax preparers and third-party entities to prevent problems before they start – for example, identifying unscrupulous preparers or promoters of tax scams early and taking action. All these efforts aim to enforce the law in a way that is both tougher on willful evaders and fairer/more proportionate for everyone else.
- Legislative and Structural Changes: While the IRS is executing its current plan under the existing law, the future could also bring legislative changes that affect the agency. Tax laws themselves will certainly continue to evolve (as seen with the temporary changes in recent years like COVID-related stimulus payments and credits that the IRS had to administer). The IRS must stay agile to implement new tax provisions or reform measures Congress might pass – whether it’s adjustments to tax rates, new credits (such as green energy incentives which the IRS implements), or potentially large structural shifts (for instance, some have proposed consolidating the IRS’s functions with other agencies or changing how taxes are collected). There has also been discussion of extending the recent funding beyond its 10-year window: the Biden administration, for example, proposed to stretch the Inflation Reduction Act funding an additional few years to ensure the IRS doesn’t fall off a “funding cliff” in 2031. The outcome of future elections could influence IRS funding and oversight; a supportive Congress might invest more in modernization, while a hostile one could trim budgets or impose new restrictions. Additionally, continued oversight from bodies like the Treasury Inspector General for Tax Administration (TIGTA) and the Government Accountability Office (GAO) will likely shape the IRS’s progress by highlighting problems and successes. In terms of structure, the IRS will likely maintain its current organization (with divisions for Wage & Investment taxpayers, Small Business/Self-Employed, Large Business, Tax-Exempt entities, etc.), but it may adjust internally to better align with taxpayer segments or improve efficiency. For example, the IRS might expand its Identity Theft and fraud units given the rise of those issues, or create new teams focused on emerging areas like cryptocurrency tax compliance.
- Public Perception and Trust: In the future, the hope is that as the IRS improves its operations, public sentiment towards the agency might improve as well. If taxpayers experience faster service, fewer errors, and see high-profile tax dodgers being held accountable, they may gain respect for the IRS’s role. The agency has been emphasizing a “service first” message, trying to brand itself as a helpful institution rather than just a feared enforcer. Over time, success in this area could increase voluntary compliance even further – people are more likely to comply when they feel the system is fair and the IRS is reasonable. Of course, it’s unlikely the IRS will ever be popular – nobody enjoys paying taxes – but it can aspire to be seen as fair, efficient, and even-handed. Education will continue to be part of the strategy: the IRS plans to do more to help people get their taxes right from the start (for example, improving the withholding estimator so that fewer people have surprises at tax time, and providing targeted guidance to gig economy workers about their tax responsibilities). By preventing problems and easing compliance, the IRS of the future could reduce the adversarial interactions that breed resentment.