How VTI’s Tax Cost Ratio Affects Your After-Tax Returns

The VTI tax cost ratio has historically stayed below 1%, meaning less than a penny of every dollar of annual return is lost to taxes on the fund’s distributions. Morningstar calculates the figure using the highest federal tax rates, so the published number is a ceiling. Most shareholders pay less. Two structural features do the heavy lifting: nearly all of VTI’s dividends qualify for preferential tax rates, and the ETF almost never distributes capital gains.

What the Ratio Measures

The tax cost ratio is the gap between a fund’s pretax and after-tax return, expressed as a percentage of assets consumed by taxes on distributions.1Morningstar. Morningstar Tax Cost Ratio Methodology A fund returning 10% pretax with a 0.50% tax cost ratio delivers 9.50% after distribution taxes.

Two things the ratio doesn’t capture. It ignores taxes owed when you eventually sell your shares; it only reflects taxes on annual distributions. And it assumes you sit in the highest federal bracket for both ordinary income and long-term capital gains.2Morningstar. Tax Cost Ratio For 2026, that top bracket kicks in at $609,350 for single filers. Below that, your real tax drag runs lower than the number Morningstar publishes.

Why VTI’s Number Stays Low

Two mechanics keep VTI’s distributions cheap to receive.

Almost All Dividends Are Qualified

Vanguard reported that 93.58% of VTI’s 2025 dividend distributions counted as qualified dividend income.3Vanguard. Qualified Dividend Income – Year-End Figures Qualified dividends are taxed at long-term capital gains rates, not ordinary rates that top out at 37%.4Internal Revenue Service. Federal Income Tax Rates and Brackets For 2026, the capital gains brackets are:

  • 0% on taxable income up to $49,450 (single) or $98,900 (married filing jointly)
  • 15% on income from those thresholds up to $545,500 (single) or $613,700 (married filing jointly)
  • 20% on income above those upper thresholds

Most VTI holders sit in the 15% bracket on qualified dividends.5Tax Foundation. 2026 Tax Brackets and Federal Income Tax Rates Morningstar’s math bakes in the 20% rate, so the real drag on qualified income is meaningfully lower for anyone below the top bracket. The 6% or so of distributions that don’t qualify get taxed at your ordinary rate, but it’s a small enough slice that it barely moves the total.

One catch: qualified treatment requires you to hold the shares more than 60 days during the 121-day window centered on the ex-dividend date.6Office of the Law Revision Counsel. 26 U.S. Code 1 – Tax Imposed Long-term holders never think about this. Anyone trading around ex-dividend dates or reshuffling positions in tight windows can lose the preferential rate and push their personal drag well above the fund-level ratio.

Almost No Capital Gains Distributions

VTI tracks the CRSP US Total Market Index, which is built to minimize unnecessary turnover.7Center for Research in Security Prices. CRSP US Total Market Index The fund’s portfolio turnover rate is 2.60%.8Vanguard. VTI Index Total Stock Market ETF Less trading inside the fund means fewer realized gains flowing out to shareholders.

The ETF wrapper does the rest. When large investors redeem, VTI hands over underlying stocks rather than selling them for cash. IRC Section 852(b)(6) treats those in-kind distributions as non-taxable at the fund level. Vanguard can also send out the lowest-basis lots during redemptions, quietly clearing the positions that would have generated the biggest gains if sold. VTI shareholders have gone years at a stretch without any capital gains distribution at all.

What Can Push Your Personal Drag Higher

The published ratio is federal-only and stops at ordinary tax rates. Several things it doesn’t reflect can raise your actual cost.

Net Investment Income Tax. A 3.8% surtax applies to dividends and gains once modified adjusted gross income exceeds $200,000 (single) or $250,000 (married filing jointly). These thresholds are not indexed for inflation.9Internal Revenue Service. Questions and Answers on the Net Investment Income Tax Above them, your effective rate on qualified dividends becomes 18.8% or 23.8%. Add that to whatever ratio Morningstar reports.

State income tax. The ratio is federal only. Eight states have no individual income tax; the rest tax dividends at rates reaching roughly 13%. In a high-tax state, the real drag is materially higher than the published figure.

Wash sales when reinvesting. If you sell VTI at a loss and automatic dividend reinvestment buys new shares within 30 days on either side, the wash sale rule disallows the loss for the current year.10Office of the Law Revision Counsel. 26 U.S. Code 1091 – Loss From Wash Sales of Stock or Securities The disallowed loss adds to the basis of the replacement shares, so it isn’t gone forever, but it’s gone for now. If you’re harvesting losses in VTI, turn off reinvestment first or move into a different broad-market ETF tracking a different index.

Where the Ratio Actually Matters

The tax cost ratio only bites in a taxable brokerage account, where each distribution shows up on a Form 1099-DIV and creates a reportable event that year.11Internal Revenue Service. 1099-DIV Dividend Income

Inside a traditional IRA or 401(k), distributions compound untaxed until withdrawal, when everything comes out as ordinary income regardless of what generated it. Inside a Roth account, qualified withdrawals are tax-free. In both, VTI’s tax cost ratio is effectively zero.

The low ratio is actually an argument for holding VTI in a taxable account when you have to choose. Funds that throw off heavy ordinary income, like bond funds and REITs, get more benefit from the shelter of a retirement account.

Estimating Your Own Drag

Assume VTI yields roughly 1% in annual dividends and about 94% of that is qualified. Your rough federal drag by bracket:

  • 0% capital gains bracket (single filers under $49,450): qualified dividends owe no federal tax; only the non-qualified sliver is taxed at your 10% or 12% ordinary rate. Real drag is close to zero.
  • 15% capital gains bracket (single filers $49,450 to $545,500): qualified dividends at 15%, non-qualified at your marginal rate. Real drag runs below the published ratio.
  • 20% bracket plus NIIT (single filers above $545,500): qualified dividends at 23.8%. This is the scenario the published ratio comes closest to reflecting.

Add state tax on top wherever you live, and note that the ratio still says nothing about the capital gains you’ll owe the day you sell. What it does tell you, accurately, is that among total-market equity funds VTI gives up very little to annual distribution taxes, and for most shareholders it gives up even less than the number on the page.