Mutual Fund Comparison

VTSAX vs VTIAX

Vanguard Admiral Shares: U.S. Total Market vs Total International.

Updated for 2026. The mutual fund two-fund portfolio.

0.04%

VTSAX Fee

0.12%

VTIAX Fee

$3K

Minimum Each

TL;DR

VTSAX and VTIAX are not competitors — they are partners. VTSAX gives you the entire U.S. stock market. VTIAX gives you the rest of the world. Together, they form a simple, low-cost, globally diversified portfolio. Common allocation: 60-80% VTSAX, 20-40% VTIAX.

If you prefer lower expense ratios, consider the ETF equivalents: VTI (0.03%) and VXUS (0.07%). Vanguard lets you convert admiral shares to ETFs tax-free.

Side-by-Side Comparison

The mutual fund two-fund portfolio, head-to-head.

Feature	VTSAX (U.S.)	VTIAX (Int'l)
Full Name	Vanguard Total Stock Market Index Fund Admiral Shares	Vanguard Total International Stock Index Fund Admiral Shares
Index Tracked	CRSP US Total Market Index — ~3,600 U.S. stocks	FTSE Global All Cap ex US — ~8,000 international stocks
Expense Ratio	0.04%Edge	0.12%
Minimum Investment	$3,000	$3,000
ETF Equivalent	VTI (0.03% expense ratio)	VXUS (0.07% expense ratio)
Number of Holdings	~3,600 stocks (U.S. only)	~8,000 stocks (developed + emerging markets, ex-U.S.)Edge
Geographic Coverage	United States only — 100% domestic	~45% Europe, ~30% Asia-Pacific, ~25% emerging markets
Dividend Yield	~1.3%	~3.0% — international stocks tend to pay higher dividendsEdge
Automatic Investing	Seamless — set dollar amount on any schedule at Vanguard	Seamless — same automatic investing available at Vanguard
Tax-Free ETF Conversion	Can convert to VTI tax-free at Vanguard	Can convert to VXUS tax-free at Vanguard

What Are Vanguard Admiral Shares?

Vanguard offers two share classes for most of their mutual funds: Investor Shares (lower minimum, higher expense ratio) and Admiral Shares (higher minimum, lower expense ratio). Admiral Shares typically require a $3,000 minimum initial investment.

VTSAX and VTIAX are both Admiral Shares, offering Vanguard's lowest mutual fund expense ratios. For even lower costs, you can convert to the ETF share class (VTI at 0.03% and VXUS at 0.07%) — this conversion is tax-free at Vanguard thanks to their patented multi-share-class structure.

Fun fact: VTSAX is one of the most-referenced investment vehicles in the FIRE (Financial Independence, Retire Early) community. “Just buy VTSAX and chill” has become a meme — and it is genuinely good advice.

Get Glen’s Updates

Investing insights, new tools, and whatever I’m building this week. Free. No spam.

Unsubscribe anytime. I respect your inbox more than Congress respects property rights.

Should You Use Admiral Shares or ETFs?

Both VTSAX/VTIAX (mutual funds) and VTI/VXUS (ETFs) hold the same stocks. The ETFs are slightly cheaper (VTI: 0.03% vs VTSAX: 0.04%; VXUS: 0.07% vs VTIAX: 0.12%). Here is when each makes sense:

Keep Admiral Shares if...

+You love automatic dollar-amount investing ($500/month on autopilot)
+You prefer simplicity — set it and forget it
+The 0.01-0.05% difference does not bother you

Switch to ETFs if...

+You want the absolute lowest expense ratios
+You invest at a different brokerage (Fidelity, Schwab)
+You want intraday trading flexibility

Frequently Asked Questions

Should I buy VTSAX or VTIAX?

Most investors buy both. VTSAX covers the entire U.S. stock market and VTIAX covers the rest of the world. Together, they give you exposure to approximately 11,600 stocks across every investable country. A common allocation is 60-80% VTSAX and 20-40% VTIAX. Vanguard's own target-date funds allocate roughly 60% domestic / 40% international for the equity portion.

What is the difference between VTSAX and VTI?

VTSAX (mutual fund) and VTI (ETF) hold the exact same stocks and track the same index. VTSAX charges 0.04% vs VTI's 0.03%. VTSAX requires a $3,000 minimum investment but allows you to invest exact dollar amounts on any schedule. VTI trades like a stock with no minimum beyond one share (or $1 fractional). At Vanguard, you can convert VTSAX to VTI tax-free. Choose VTSAX for automatic dollar-amount investing; choose VTI for the slightly lower cost and intraday trading flexibility.

Is VTIAX the same as VXUS?

Yes, they hold the same stocks and track the same index (FTSE Global All Cap ex US). VTIAX is the mutual fund admiral shares version (0.12% expense ratio, $3,000 minimum). VXUS is the ETF version (0.07% expense ratio, no minimum beyond one share). VXUS is cheaper — if cost is your priority and you do not need automatic dollar-amount investing, VXUS is the better choice. You can also convert VTIAX to VXUS at Vanguard tax-free.

Why is VTIAX more expensive than VTSAX?

International funds are inherently more expensive to operate than domestic funds. VTIAX holds stocks in dozens of countries with different exchanges, currencies, settlement rules, and tax treaties. These operational complexities drive higher costs. At 0.12%, VTIAX is still extremely cheap compared to the industry average for international funds (0.50-1.00%+). The ETF version (VXUS at 0.07%) is even cheaper because ETFs have structural cost advantages.

What is the $3,000 minimum for admiral shares?

Vanguard Admiral Shares require a $3,000 minimum initial investment per fund. So to own both VTSAX and VTIAX, you need at least $6,000 total. After the initial investment, you can add any amount — even $1. If you do not have $3,000 to start, consider the ETF versions (VTI and VXUS), which have no minimum beyond the price of a single share, or use Vanguard's Investor Shares (VTSMX and VGTSX) which have lower minimums but higher expense ratios.

Should I convert VTSAX to VTI?

If you are at Vanguard, you can convert VTSAX to VTI tax-free, which saves you 0.01% per year (0.04% vs 0.03%). On a $100,000 portfolio, that is $10/year. The conversion is a non-event — same stocks, same performance, slightly lower cost. The trade-off is that VTI trades like a stock (you buy shares at market prices) while VTSAX lets you invest exact dollar amounts. If you value automatic dollar-amount investing, keep VTSAX. If you want the lowest possible cost, convert to VTI.

The Bottom Line

VTSAX + VTIAX is one of the most respected and proven portfolio structures in personal finance. Two funds, ~11,600 stocks, global diversification, automatic investing on autopilot.

“Just buy VTSAX and chill” is a meme for a reason — it works. Add VTIAX for international diversification and you have a portfolio that will serve you for decades. Stop overthinking it.

Recommended Resources

Tools & books I actually use and recommend

Interactive Brokers

Low commissions, global market access, and professional-grade tools. This is where I hold my positions.

Open an Account

A Random Walk Down Wall Street

Burton Malkiel's classic case for index investing. The book that convinced millions to stop stock-picking.

View on Amazon

TradingView

Best charting platform out there. Real-time data, screeners, and a community of millions of traders.

Try TradingView

Some links above are affiliate links. I only recommend products I personally use. See my full disclosures.

Keep Exploring

Comparison