There are several classifications of loans, so let's consider the most common one. According to it, there are three loan categories: bank, commercial and state. In its turn, bank loans are divided into personal, mortgage, loan on overdraft, factoring, forfeiting and intrabank loans. Commercial loans may be of the following types: signature, trade and advance. Finally, the state category is subdivided into state loan, subventions, grants, transfers and state tax loan.