Explain the term unemployment

When a person who is actively searching for employment is unable to find work. Unemployment is often used as a measure of the health of the economy. The most frequently cited measure of unemployment is the unemployment rate.

Its the state of being unemployed-
Unemployment is a phenomenon that occurs when a person who is actively searching for employment is unable to find work. Unemployment is often used as a measure of the health of the economy. The most frequently measure of unemployment is the unemployment rate, which is the number of unemployed people divided by the number of people in the labor force.ed. 

It is to measure personality characteristics