🤝 BFF Take
VWOB Wins on Cost — EMB Has More Liquidity and Deeper Options Market
EMB (iShares JP Morgan USD Emerging Markets Bond ETF) and VWOB (Vanguard Emerging Markets Government Bond ETF) both hold US dollar-denominated sovereign and quasi-sovereign bonds from emerging market countries. Both provide exposure to EM government debt from countries like Mexico, Brazil, Indonesia, Saudi Arabia, and others — all in USD, eliminating currency risk relative to individual country bond markets. EMB tracks the JP Morgan EMBI Global Core Index (~600 bonds); VWOB tracks a Barclays index (~750 bonds). EMB charges 0.39%; VWOB charges 0.20% — nearly half the cost. EMB has $15B+ in AUM vs VWOB's $3.5B, giving it substantially more liquidity. For long-term investors buying and holding, VWOB's lower fee is the logical winner.
📋 Quick Takeaways
🌍Both hold USD-denominated EM government bonds — Mexico, Brazil, Indonesia, Turkey, Saudi Arabia exposure
💰VWOB costs 0.20% vs EMB's 0.39% — nearly 2x cheaper for similar EM bond exposure
📊EMB has $15B+ AUM vs VWOB's $3.5B — significantly more liquid; better for large positions and options
📊 Data-Based Take: VWOB has the lower fee
Whether the lower-cost fund suits your situation depends on your existing holdings, account type, tax situation, and how you use each fund. This is a cost comparison, not a personalized recommendation.
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Reviewed by a CFA® Charterholder · Data updated Jun 2026 · Educational only, not financial advice
EMB
iShares JP Morgan USD Emerging Markets Bond ETF
VWOB
Vanguard Emerging Markets Government Bond ETF
📋 EMB vs VWOB — Key Facts Side by Side
| Metric |
EMB |
VWOB |
| Fund Name |
iShares JP Morgan USD Emerging Markets Bond ETF |
Vanguard Emerging Markets Government Bond ETF |
| Issuer |
iShares |
Vanguard |
| Tracks Index |
JP Morgan EMBI Global Core |
Bloomberg USD Emerging Markets Government RIC Capped |
| Expense Ratio |
0.39% |
0.20% ✓ |
| Cost per $10K/yr |
$39.00 |
$20.00 |
| AUM |
$15B |
$3500000000 |
| Holdings |
600 |
750 |
| Inception |
2007 |
2013 |
| 1-Year Return |
+6.80% |
+7.20% |
| 3-Year Return |
+0.40% |
+0.80% |
| 5-Year Return |
+1.60% |
+2.00% |
| Avg Bid-Ask Spread |
0.01% |
0.02% |
Data from ETF BFF database. Returns are annualised. Not investment advice.
📊 EMB vs VWOB — Annualised Returns
Annualised returns (trailing, price-based). Past performance does not guarantee future results.
🎯 Should You Buy EMB or VWOB?
Choose if...
EMB
- You want income and stability with lower portfolio volatility
- You already use iShares and prefer staying within their fund family
Choose if...
VWOB
- You want the lowest fees — saves ~$19/yr per $10K vs EMB
- You want income and stability with lower portfolio volatility
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❓ EMB vs VWOB — Frequently Asked Questions
What is the difference between EMB and VWOB?
Both hold USD-denominated bonds from emerging market governments, making them similar in concept. The main difference is cost — VWOB at 0.20% vs EMB at 0.39%. Index composition differences are minor (slightly different country weights and bond selection criteria). EMB is more liquid with much larger AUM. VWOB holds slightly more bonds (~750 vs ~600). For practical purposes, long-term investors benefit most from VWOB's lower fee.
Are emerging market bonds high-risk?
EM bonds carry more risk than US Treasuries or investment-grade corporate bonds because the issuing governments have higher probabilities of default, currency instability (though EMB/VWOB mitigate this by being USD-denominated), and political/economic volatility. They offer higher yields in compensation. EM bonds have experienced significant drawdowns during crises (2013 taper tantrum, 2018 EM selloff, 2022 rate hikes). They're suitable as a higher-yield fixed income satellite, not a core bond holding.
What yield do EMB and VWOB pay?
EMB and VWOB typically yield 5-7%, significantly higher than US investment-grade bonds. The higher yield compensates for greater credit risk. VWOB's lower expense ratio means investors capture more of that yield — at equal gross yield, VWOB delivers approximately 0.19% more in net return annually. Over a 10-year holding period, that fee difference compounds meaningfully.
What countries are in EMB and VWOB?
Both include a similar roster of major EM bond issuers: Mexico, Brazil, Indonesia, Saudi Arabia, Turkey, South Africa, Philippines, Colombia, and others. China has limited representation because Chinese government bonds trade in separate local currency markets. Country weights differ modestly between the two funds based on their respective index methodologies.
Should I add EM bonds to my portfolio?
EM bonds are most appropriate for investors seeking higher yield who can tolerate emerging market volatility and credit risk. They provide diversification from US fixed income and can enhance portfolio yield. A common allocation is 5-10% of a bond portfolio in EM bonds (via EMB or VWOB), balanced by more stable US bonds (BND, BNDX). Investors who want maximum stability should stick with US Treasuries or investment-grade corporate bonds.
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ℹ️ Data shown is for educational purposes and may not reflect the most current figures. Returns are trailing price-based and exclude dividend reinvestment. Past performance does not guarantee future results. ETF BFF is not a licensed financial advisor — this is not personalized financial advice.