Top-rated real estate index funds widely favored by passive investors for broad market diversification and low expense ratios include the Vanguard Real Estate ETF (VNQ), the Fidelity Real Estate Index Fund (FSRNX), and the Schwab U.S. REIT ETF (SCHH). These funds track comprehensive benchmarks of publicly traded equity REITs, offering exposure to diverse property sectors ranging from residential and industrial logistics to healthcare and retail spaces without requiring direct property management.