Aims and objectives


To introduce the sources of longitudinal data commonly encountered in demographic research.


  1. To describe key features of longitudinal data
  2. To describe the methods used to collect longitudinal data
  3. To appreciate the special features of demographic sources of longitudinal data  
  4. To understand the strengths and weaknesses of these approaches
  5. To be familiar with Health and Demographic Surveillance Systems (HDSS) and what these offer