📝 Executive Summary
Vanguard research projects international equities will deliver annualized returns of 5.9% to 7.9% over the next three decades, outpacing the S&P 500's expected 4.7% to 6.7%. Analysts suggest that while U.S. markets remain top-heavy with expensive AI-focused tech majors, international firms are better positioned to capture long-term productivity gains from AI implementation.