Traditional (negative) and modern (positive) liberalism have the following differences:

(1) Difference on the basis of development: 

The development of ancient (traditional) liberalism took place between 16thto 18th century, whereas modern liberalism developed from 19th century to date. 

(2) Difference on the basis of reason of advent: 

At the back of the development of traditional liberalism, there were many reasons of reactions against autocratic monarchy, feudalism and papal authority, whereas modern positive liberalism emerged and spread as a reaction against capitalist system and Marxism. 

(3) Difference on the basis of concept towards state: 

Traditional liberalism considers a state as a necessary evil, whereas positive liberalism does not consider a state as a necessary evil. It accepts the state as a moral and welfare institution. 

(4) Difference on outlook of rights: 

Traditional liberalism accepts an individual’s rights as natural, whereas modern liberalism accepts the rights of an individual to be provided and protected by the state.