Retiring in 1968: $1M grew to $21.2M on a 3% withdrawal

Retiring in 1968 with $1M and a 3% inflation-adjusted withdrawal, the portfolio grew to $21.2M after 50 years. Its worst year was 2008, when the S&P 500 lost 35.2% including dividends. A 1968 retiree started near a market peak, then faced the 1973-74 bear market and the high inflation of the 1970s.