is data that has been collected through surveys, research, observations and interviews, but has not yet been published. Primary data can be collected by researchers or interviewers, or by those conducting their own research.
The collected data is primary data as long as no similar research has taken place and it has not been used elsewhere. Otherwise, primary data becomes secondary data. Primary data is created for an investor or a company for a specific purpose. At the data quality is optimal and beyond doubt.