If we examine and compare the current stock market decline with the worst bear markets of the past 100 years (the 1930s Great Depression, the 1987 Crash, the 1991 Gulf War, the 2001 tech burst, and the 2008 financial crisis), the current peak to decline of 34% ranks lower than both the Depression, the “tech wreck” and the financial crisis.

Typically, the average time to recovery for the stock market has been 4.4 years, with recovery defined as the time required for stocks to emerge from a bear market to reach their prior high.

— Read on seekingalpha.com/article/4337072-history-provides-insight-on-how-long-market-downturn-may-last