💵 Non-cash benefits

Imputed Income Explained: What It Is and How It Shows Up on Your Paycheck

Imputed income is the taxable value of a non-cash benefit your employer provides. You never receive this money as cash, but the IRS treats its value as part of your compensation. The most common trigger is employer-paid group term life insurance above $50,000 — the cost of coverage beyond that threshold is added to your W-2 Box 1 and is subject to FICA. Other sources include personal use of a company car, gym memberships, domestic partner health coverage, and below-market employee loans.

GTL over $50K = imputed Subject to FICA Appears on W-2 Box 12 (Code C)

📋 Common imputed income sources

BenefitImputed amountFICA?
Group term life > $50KIRS Table I cost of excess coverageYes
Company car (personal use)FMV of personal mileageYes
Domestic partner health coverageFMV of partner’s premiumYes
Gym / wellness membershipCost if on employer premises: $0Depends
Below-market employee loanForgone interest (AFR)Yes
Employer-paid education (non-qualifying)Amount above $5,250Yes

The $50,000 rule

How is group term life insurance over $50,000 taxed?

Under IRC Section 79, employer-provided group term life insurance up to $50,000 of coverage is tax-free to the employee. Coverage above $50,000 creates imputed income based on the IRS uniform premium table (Table I in Publication 15-B), not the actual premium your employer pays. The Table I rates are set by age bracket and are generally lower than commercial rates.

To calculate your imputed income from GTL:

  1. Subtract $50,000 from your total coverage amount
  2. Divide the excess by $1,000 to get the number of $1,000 units
  3. Find your age bracket in Table I and note the monthly cost per $1,000
  4. Multiply: units × monthly rate × 12 months = annual imputed income
  5. Subtract any amount you pay toward the coverage

This imputed income appears in your W-2 Box 12 with Code C. It is included in Box 1 (wages) and Boxes 3 and 5 (Social Security and Medicare wages). Your employer withholds FICA on the imputed amount but has the option to withhold or not withhold federal income tax — either way, you owe the income tax when you file.

How does company car personal use create imputed income?

When your employer provides a vehicle for business use and you also use it for personal driving (commuting, errands, vacations), the personal use portion is imputed income. The IRS provides three valuation methods:

  • General valuation: Fair market value of the personal use portion
  • Cents-per-mile: IRS standard mileage rate applied to personal miles (requires the vehicle to meet value limits)
  • Commuting valuation: $1.50 per one-way commute for qualifying arrangements

You must keep a mileage log distinguishing business from personal use. Without adequate records, the IRS may treat all use as personal, imputing the full value of the vehicle benefit.

When does domestic partner health coverage become imputed income?

If your employer provides health insurance for your domestic partner (or same-sex or opposite-sex partner not legally married to you), the fair market value of that coverage is imputed income to you — unless your partner qualifies as your tax dependent under IRC Section 152. If they are your dependent, the coverage is excludable just like spousal coverage.

The imputed income equals the difference between the premium for employee-plus-partner coverage and the premium for employee-only coverage. It appears in W-2 Box 1 and is subject to both income tax and FICA. Some states (California, New Jersey, and others) have laws that may override the federal treatment for state tax purposes.

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Why your paycheck shrinks on phantom income: Imputed income increases your taxable wages without increasing your cash pay. Your employer withholds additional FICA (and sometimes income tax) on the imputed amount, reducing your net take-home. This is why employees with large GTL policies or company cars sometimes see unexpectedly lower paychecks. Use the paycheck deductions explainer and gross-to-net calculator to see the impact.

What employer benefits are NOT imputed income?

Many employer-provided benefits are specifically excluded from income by the tax code:

BenefitTax treatmentAuthority
Health insurance (employee + dependents)Tax-freeIRC 106
Group term life ≤ $50,000Tax-freeIRC 79
401(k) employer matchTax-deferredIRC 401(k)
HSA employer contributionsTax-freeIRC 223
Dependent care FSA ≤ $5,000Tax-freeIRC 129
Educational assistance ≤ $5,250Tax-freeIRC 127
On-premises gym / cafeteria (de minimis)Tax-freeIRC 132
Employee discounts (within limits)Tax-freeIRC 132

If any of these benefits exceed their statutory limits, the excess becomes imputed income.

How does imputed income appear on your W-2?

Imputed income from group term life insurance over $50,000 appears in W-2 Box 12 with Code C. The amount is also included in Box 1 (total wages), Box 3 (Social Security wages), and Box 5 (Medicare wages). This means you see the same number counted in multiple boxes — it is not double-counted for tax purposes, but it does increase each of those wage totals.

For company car personal use, the imputed value typically appears only in Boxes 1, 3, and 5 (not in Box 12). Your employer calculates the value using one of the three IRS-approved methods and adds it to your wages. You may see it as a separate line item on your year-end pay stub labeled “imputed income” or “personal use of company vehicle.”

Domestic partner coverage imputed income also flows into Boxes 1, 3, and 5. Some employers show it as a separate line item on the pay stub; others roll it into total wages. If you are unsure how your employer handles it, ask your benefits or payroll department for a breakdown before tax time.

Questions

Imputed income FAQ

What is imputed income?

Imputed income is the value of a non-cash benefit provided by your employer that the IRS considers taxable compensation. You do not receive this money as cash, but its value is added to your W-2 wages for tax purposes. Common examples include employer-paid group term life insurance coverage above $50,000, personal use of a company car, and domestic partner health coverage.

How is group term life insurance over $50,000 taxed?

The cost of employer-provided group term life insurance coverage above $50,000 is imputed income. The IRS publishes a table (Table I in Publication 15-B) with uniform premium rates by age bracket. The imputed income equals the Table I cost for coverage above $50,000 minus any amount the employee pays. This imputed amount is subject to Social Security and Medicare taxes but may be exempt from federal income tax withholding at the employer's option.

Is imputed income subject to FICA?

Yes. Imputed income is generally subject to Social Security tax (6.2% up to the wage base) and Medicare tax (1.45%). For group term life insurance over $50,000, the imputed cost must be included in FICA wages even if the employer chooses not to withhold federal income tax. The employee pays their FICA share through payroll deductions.

Does imputed income affect my take-home pay?

Yes, but indirectly. Imputed income is added to your taxable wages on your W-2, which increases your reported income and the taxes withheld. However, you do not actually receive the imputed amount as cash, so your paycheck may be slightly smaller due to the additional tax withholding on phantom income.

Is health insurance for a domestic partner taxable?

If your domestic partner does not qualify as your tax dependent under IRC Section 152, the fair market value of their employer-provided health coverage is imputed income to you. It is subject to federal income tax and FICA. If your domestic partner does qualify as a dependent, the coverage is generally tax-free, just like coverage for a spouse.

Mustafa Bilgic
Reviewed & maintained by
Mustafa Bilgic — Editor, SalaryCalculator.us

Imputed income rules per IRS Publication 15-B (2026) and Publication 525.

  • Sources: IRS Publication 15-B (Employer’s Tax Guide to Fringe Benefits, 2026) · IRC Sections 79, 106, 132 · IRS Publication 525.
  • 🔄 Last updated July 31, 2026 · Tax year 2026

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