An economic depression is a period of carried long-term economic downturn that is the result of lowered economic activity in one major or more national economies. Economic depression maybe related to one specific country where there is some economic crisis that has worsened but most often reflexes historically the American Great Depression and similar economic status that may be recognized as existing at some country, several countries or even in many countries. It is often understood in economics that economic crisis and the following recession that maybe named economic depression are part of economic cycles where the slowdown of the economy follows the economic growth and vice versa. It is a result of more severe economic problems or a downturn than the recession itself, which is a slowdown in economic activity over the course of the normal business cycle of growing economy.

The Great Depression (1929–1939) was a severe global economic downturn that affected many countries across the world. It became evident after a sharp decline in stock prices in the United States, leading to a period of economic depression. The economic contagion began around September 1929 and led to the Wall Street stock market crash of 24 October. This crisis marked the start of a prolonged period of economic hardship characterized by high unemployment rates and widespread business failures.