Mainly there are two types of data, Primary and Secondary data.
| Parameter | Primary data | Secondary data |
| Definition | Data which is collected directly by an individual all by himself by communicating directly with the people. | Data which is collected indirectly by other means like through a research agency, website, etc. |
| Need | Used for carrying out surveys of a small number of people. | Used for carrying out surveys of a large number of people. |
| Money | No fees is needed to be paid. | Money is needed to be given to the agency or groups carrying out the survey for you. |
Summary
| Primary Data | Collected directly by an individual all by himself by communicating directly with the people. |
| Secondary Data | Collected indirectly by other means like through a research agency, website, etc. |