Secondary data refers to information that has been collected and recorded by someone else for a different purpose than the one it is currently being used for. This data can include statistics, research findings, and other forms of data that have been gathered and analyzed by individuals or organizations. Unlike primary data, which is collected firsthand, secondary data is already available and can be accessed by researchers or analysts for their own use. It can be a valuable resource for gaining insights and supporting arguments, but it is important to critically evaluate its reliability and relevance to the current context.