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Investor facts & stats

4 sourced facts about investing and the stock market, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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Going deeper

According to the Federal Reserve's 2019 Survey of Consumer Finances, what share of U.S. families owned stock directly or indirectly?

Answer53%

That includes stock held through retirement accounts and mutual funds, not just individual shares.

Source: Federal Reserve, Survey of Consumer Finances (2019) federalreserve.gov

Since 1926, what has the S&P 500's average annual return been, with dividends reinvested?

Answer10.47% per year

That long-run average includes many sharp crashes and booms averaged together over a century.

Source: OfficialData.org (S&P 500 historical data) officialdata.org

Expert level

About how much total money was held in U.S. 401(k) plans as of early 2026?

Answer$9.9 trillion

401(k)s have grown into one of the largest pools of retirement savings in the country since their 1978 creation.

Source: Wikipedia, 401(k) en.wikipedia.org

In 2011, what was the average total administrative and management fee on a typical 401(k) account?

Answer0.78%, about $250 per participant

Fees that sound small can meaningfully eat into long-term retirement returns over decades.

Source: Wikipedia, 401(k) (2024) en.wikipedia.org

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