Government imposes taxes mainly to

The main reason why governments impose taxes is to provide social amenities for their citizens. These amenities include things like roads, schools, hospitals, security, and other public services that are necessary for the welfare of citizens. Taxes are also used to finance government operations, pay salaries of government employees, and support the military. Although taxes can sometimes be seen as a burden, they are essential for the proper functioning of a society, and the benefits they provide usually far outweigh the costs.