Data linkage

The process of bringing together from two or more different sources, data that relate to the same individual, family, place or event).

Example: linkage may be used to bring together information about an individual’s health status, prescription drug use, and social media habits.


  • Holman, C. D. J., Bass, A. J., Rosman, D. L., Smith, M. B., Semmens, J. B., Glasson, E. J.,… Stanley, F. J. (2008) A decade of data linkage in Western Australia: Strategic design, applications and benefits of the WA data linkage system. Australian Health Review, 32(4), 766-777.