interprofessional minimum wage is incorrectly written and it should be written as "minimum wage" to be its meaning: It is the minimum gross salary, according to law, who has charge regardless of the sector in which to work ( a worker with full-time primary, secondary, tertiary, Quaternary or quinary ) their age, their sex, or employment of fixed, casual or temporary situation. Governments, they say, set it to take account of national productivity, the IPC and national income, however it all depends on the ideology of the Government and labour awareness of workers who vote in the elections. In Spain the SMI in 2016 is 655,20 euros per month ( 14 pay annual ) i.e. 764,4 euros per month ( 12 41 annual pay;. In the U.S. the SMI is 1.155 euros monthly ( 12 pay annual 41.