Why is unemployment a serious problem that merits priority attention?

Seriously unemployment is a social problem which affects economy in worst way and reduces the growth of economy in downward direction. It means that lots of guys are jobless because of the less job opportunities. This type situation can give rise of other social evils like Poverty, Illiteracy etc. because people don't have money to make expense because of the unemployment. It also affects the image of the entire country in global way.