U.S. stocks have delivered approximately 9.8% nominal annual returns since 1926. However, forward-looking forecasts suggest lower returns ahead — Vanguard projects ~4.4–6.4% nominal for U.S. equities over the next 30 years; BlackRock estimates ~5.2% for U.S. equities and ~4.1% for bonds over the next decade.

With volatility of 15–20% annualised standard deviation and historical drawdowns including –37% in 2008 and –18% in 2022, equities suit investors with a long time horizon and ability to tolerate short-term losses. Over long horizons, equities remain the best engine of portfolio growth.

Examples: Fidelity Contrafund (FCNTX), T. Rowe Price Growth (PRGFX).

Studies show approximately 90% of active equity funds underperform their benchmark over 10-year horizons. Higher fees — typically 0.5%–1.5% expense ratios — generally erode returns further. Capital gains distributions are frequently realised yearly, creating a taxable drag.

Active funds are generally not recommended for core, long-term allocation due to persistent underperformance. They may serve specialist or satellite roles for investors who believe in specific manager alpha.

Examples: Vanguard Target Retirement 2050 (VFIFX), Fidelity Freedom 2050 (FFFHX).

These funds pre-mix stocks and bonds, with the "glidepath" shifting from high-equity early to high-bond as retirement approaches. Early years behave like a balanced fund (~60–90% stocks); later years shift to ~50%+ bonds.

Vanguard's glidepaths carry a very low ~0.08% expense ratio versus the industry average of ~0.41%. These are ideal for "set-and-forget" retirement saving, requiring minimal investor intervention while automatically maintaining age-appropriate risk.

Investment-grade corporate bonds have averaged 7.7% annually since 1975 with only 10 negative calendar years in that period. Current yields of ~5% on corporates imply forward returns of roughly 5–6%. Bonds provide lower returns than stocks but dampen portfolio volatility — essential for balanced and conservative portfolios.

Fixed deposits offer virtually zero principal risk, making them ideal for capital preservation and emergency funds. Returns are often at or below inflation for U.S. instruments, meaning real returns can be negative. Indian PPF and EPF are exceptions — offering competitive government-backed rates with significant tax advantages.

Direct Property: Potential returns of approximately 6–8% p.a. (rent + appreciation). High transaction costs, leverage exposure, and very low liquidity (months to years to sell). Best for investors seeking tangible assets and willing to commit large capital and actively manage property.

REITs (Real Estate Investment Trusts): Securities like Vanguard Real Estate ETF (VNQ) offer real estate-like returns (historically ~8–10% nominal) with liquidity like stocks. They carry higher volatility (~20–25%) and high dividend yields (~3–5%), taxed as ordinary income. VNQ has a low 0.12% expense ratio. REITs fell sharply in rising-rate 2022, highlighting interest-rate sensitivity.

Gold averaged ~4–6% nominal annually from 1970–2024, with high volatility (~15–20%) and no yield. It serves primarily as a portfolio diversifier and inflation/crisis hedge. In many jurisdictions (e.g. U.S.), gold gains are taxed at collectibles rates (up to 28%). A 5–10% allocation in conservative portfolios is a common approach.

Broad Commodities (oil, metals, agriculture via indices such as DBC) offer near-zero long-term real return, just keeping pace with inflation, with very high volatility (>20%). Commodity funds carry fees of ~0.7–0.8%. Their only compelling use case is as an inflation hedge in small allocations.

Insurance contracts providing guaranteed income. Fixed annuities currently pay approximately 5–6% annual payout for retirees. Indexed and variable annuities link to market returns but include guarantees and high fees (1–2%+ in mortality, expense, and rider fees).

Suitable for risk-averse retirees seeking a guaranteed income floor to cover essential expenses. Not appropriate for the growth portion of a portfolio given high fees and very low liquidity (surrender charges for early exit). Minimum investment typically $10,000+.

While Bitcoin's historical returns are extraordinary, its volatility is 3–5× that of the equity market and drawdowns of 70–80% are not uncommon. Both PE/VC and crypto require careful position sizing and are best treated as small satellite allocations, not core holdings.