US Stocks vs International Stocks: Should You Diversify Globally?
US stocks have dramatically outperformed international markets over the past decade, but history shows that leadership rotates. Understanding the case for global diversification is essential for long-term investors.
What Is US Stocks?
US stocks represent about 60% of global market capitalization and include the world's largest technology companies. The US market has been the top performer for the past decade-plus.
What Is International Stocks?
International stocks include developed markets (Europe, Japan) and emerging markets (China, India, Brazil). They offer diversification and exposure to faster-growing economies.
Key Differences
| Feature | US Stocks | International Stocks |
|---|---|---|
| Recent performance | Very strong | Weaker (but cycles) |
| Valuation | Higher P/E ratios | Lower P/E ratios |
| Diversification | Single country | Multiple economies |
| Currency impact | None (USD) | Yes (can help or hurt) |
| Growth exposure | Tech-driven | Emerging market growth |
The Bottom Line
A reasonable approach is 60-80% US stocks and 20-40% international. US outperformance is not guaranteed to continue, and diversification reduces the risk of betting everything on one country.
Related Tools
Part of our Technical Analysis Guide