| Procedural Oriented Programming | Object-Oriented Programming |
| It is a procedural model-oriented programming language. | It is an object based programming language. |
| It is known as POP. | It is known as OOP. |
| In procedural programming, the program is divided into small parts called functions. It is Structure/Procedure oriented. | In object-oriented programming, the program is divided into small parts called objects. It is Object Oriented. |
| It follows a top-down approach. | It follows a bottom-up approach. |
| Access modifiers are not supported. | Access modifiers (like private, public, protected, etc.) are supported. |
| Adding new data and functions is not easy. | Adding new data and function is easy. |
| It does not have any proper way of hiding data so it is less secure. | It provides data hiding so it is more secure. |
| Overloading is not possible in POP. | Overloading is possible in OOP. |
| There is no concept of data hiding and inheritance. | The concept of data hiding and inheritance is used. |
| The function is more important than the data. | Data is more important than function. |
| It is based on the unreal world. | It is based on the real world. |
| If the size of the problem is small, POP is preferred. | If the size of the problem is big, OOP is preferred. |
| It uses the concept of procedure abstraction. | It uses the concept of data abstraction. |
| Code reusability absent in POP. | Code reusability present in OOP. |
| Procedural Oriented Programming: FORTRAN, ALGOL, COBOL, BASIC, Pascal and C etc. | Object-Oriented Programming: Java, C++, C#, Python, PHP, VB.NET and C#.NET etc. |
