1. Questionnaires for survivors
2. Questionnaires for interviewing a close family member of the deceased interviewees
The CLHLS collected data before dying for those deceased samples from their next-of-kin.
3. Questionnaires for community level data
(1) Community questionnaire for the 2005 wave (which is almost the same as ones used in 1998, 2000, and 2002).