What was unemployment rate in us during 1930s?

Unemployment rates in the US during the Great Depression.

1930--3.2 percent

1931--15.9 percent

1932--23.6 percent

1933--24.9 percent

1934--21.7 percent

1935--20.1 percent

1936--16.9 percent

1937--14.3 percent

1938--19.0 percent

1939--17.2 percent