Primary and secondary data are two fundamental categories of data used in anthropological research and other social sciences. They differ in terms of their origin, purpose, methods of collection, reliability, cost, and applicability. A clear understanding of these differences is essential for selecting appropriate research methods and ensuring the validity of research findings. Primary data refer to original information collected firsthand by the researcher specifically for the purpose of a particular study. In anthropology, primary data are gathered directly from individuals, groups, or communities through fieldwork. Anthropologists use techniques such as participant observation, interviews, questionnaires, focus group discussions, case studies, genealogical methods, life histories, and direct observation to obtain primary data. Since the data are collected according to the objectives of the research, they are highly relevant and specific. Primary data provide firsthand insights into cultural practices, social relationships, beliefs, customs, and patterns of behavior. Secondary data refer to information that has already been collected, analyzed, and published by other researchers, organizations, or institutions for purposes different from the current study. These data are available in