Who gets audited the most?

[AbelFitz]

The IRS audits two primary groups most frequently: taxpayers reporting income over $10 million and low-to-moderate income earners claiming the Earned Income Tax Credit (EITC). High-income individuals face intense scrutiny due to complex finances, while EITC claimants are targeted through automated screening for eligibility errors, creating a bimodal audit distribution.

High-Income Earners Face the Highest Audit Rates IRS data consistently shows that audit probability increases with income. Taxpayers reporting over $10 million in annual income have the highest audit risk. For the 2020 tax year, this group faced an audit rate of approximately 8.7%, which is over 30 times higher than the overall average rate. Those reporting income between $5 million and $10 million had an audit rate near 4.6%. Even taxpayers earning above $500,000 are audited at a rate significantly above the national average, driven by complex partnerships, international assets, and high-value deductions that require detailed verification.

Earned Income Tax Credit Claimants Are Heavily Scrutinized Despite lower income levels, returns claiming the EITC are audited at a disproportionately high rate through the IRS's automated correspondence audit system. For the 2020 tax year, the audit rate for EITC returns was roughly 0.78%, which greatly exceeds the rate for many middle-income brackets. This focus stems from high error rates related to qualifying child criteria, residency, and income reporting on these returns. The audit is typically a mail-based review of specific eligibility requirements.

Other Key Groups with Elevated Audit Risk

• Small Business Owners (Schedule C Filers): Sole proprietors, especially in cash-intensive sectors, are scrutinized for underreported income or non-deductible personal expenses classified as business costs.
• Estate Tax (Form 706) Filers: Returns for large estates are audited at a very high rate due to the substantial assets and valuation complexities involved.
• Taxpayers with Digital Currency Transactions: The IRS actively matches crypto transaction reports (Form 1099-B) with filed returns, and discrepancies can trigger audits.

Primary Audit Red Flags The IRS uses discriminant function system scoring to identify returns with potential issues. Common triggers include:

• Unreported Income: Discrepancies between income reported on W-2s, 1099s (especially from gig economy work), and the taxpayer's return.
• Excessive Deductions Relative to Income: Claiming business expenses or charitable deductions that are unusually high for the reported income level.
• Large Losses from Pass-Through Businesses: Sustaining consistent losses from an S-Corporation or partnership that may indicate a non-deductible hobby activity.

Why Audit Rates Are Changing Overall audit rates declined for over a decade due to IRS budget constraints but are now shifting. With funding from the Inflation Reduction Act, the IRS has stated a renewed focus on complex partnerships, large corporations, and high-income individuals earning above $400,000. The goal is to increase compliance among these groups while improving service and reducing audit rates for middle-income taxpayers.

Income Level / Claim Type	Approximate Audit Rate (2020 Tax Year)	Primary Audit Reason
** > $10 Million**	8.7%	Complex investments, international assets, partnership irregularities.
$5M - $10M	4.6%	High-value deductions, complex financial structures.
Earned Income Tax Credit	0.78%	Automated screening for eligibility requirements (income, qualifying child).
$1M - $5M	1.3%	Business losses, high-risk deductions, investment income.
** < $25,000 (no EITC)**	0.21%	Automated matching for unreported income or filing status issues.

[Dora]

As a tax attorney working with small business owners, I see a clear pattern. If you file a Schedule C, you're on the radar. The IRS algorithms love to flag cash-heavy businesses—think restaurants, contractors, freelance consultants. They look for red flags: home office deductions that seem too high, a car used 100% for business, or steady losses year after year. My advice is simple: keep impeccable records. Every deduction needs a receipt and a clear business purpose. Mixing personal and business finances is the fastest way to get a letter. The audit might start as a simple mail request, but without proper documentation, it can escalate quickly.

[VonSarah]

I claimed the EITC for three years when I was working two part-time jobs and raising my daughter. The fourth year, I got an audit letter. It was terrifying. The IRS wanted proof—school records, her birth certificate, my lease, pay stubs from both jobs. I spent weeks gathering everything. It turned out fine; I was eligible. But the process was stressful and confusing. The letter was full of tax jargon. I learned that the IRS automatically checks a lot of EITC returns. They’re not saying you’re cheating, but they need to verify the details, especially about which kids live with you and for how long. If you claim this credit, have all your paperwork organized before you even file.

[AlejandroLynn]

The audit landscape is fundamentally about resource allocation and risk. The IRS has limited agents, so it targets areas with the highest potential revenue gap or error rates. This creates the "bimodal" focus: ultra-high-wealth individuals (where each audit can recover millions) and EITC returns (where automated checks are cheap and error rates are historically high). For the average wage earner with a W-2, standard deductions, and no complex investments, the audit risk remains extremely low—well below 0.5%. The new funding is explicitly directed toward increasing the manpower to untangle sophisticated tax avoidance strategies at the top, not to increase scrutiny on middle-income payroll employees.

[LeLuna]

Let's talk about the numbers behind the strategy. The IRS doesn't audit randomly; it uses a data-driven scoring model. A return gets a high score for certain traits, pushing it into the audit queue. For high earners, the trigger might be a large charitable deduction that dwarfs others in your income bracket, or a 20% pass-through business deduction on a seven-figure income. For someone with cryptocurrency, it's failing to report a transaction from an exchange that sent a 1099 to the IRS. The agency is investing heavily in data matching and AI. If your tax return doesn't match the information statements (W-2, 1099-INT, 1099-K, 1099-B from crypto exchanges) they have on file, that's a straightforward flag. The key is consistency. Your return should be a cohesive story that matches all the digital footprints the IRS already possesses. The planned audits on those making over $400k are about digging deeper than simple matching—into partnership allocations, conservation easements, and offshore holdings—where the big money is.