I. Classification on the basis of benefit
- Public expenditure benefiting the entire society. Eg: Defence
- Public expenditure conferring a special benefit on certain people and at the same time common benefit on community Eg: Administration of justice.
- Public expenditure directly benefiting a particular group of persons and indirectly the entire society. Eg: Public welfare.
- Public expenditure conferring a special benefit to some individual. Eg: Subsidy.
II. Classification basis of function
- Protection function: To protect from external invasion and internal disorder. Eg: defense.
- Commercial function: Development of trade and commerce. Eg: transport and communication
- Development function: Public expenditure incurred for the development infrastructure and industry.