- general public, 10 major international metropolitan cities 2007
- Survey name
- Unnamed study
- N = 10000
- Non Response
Questionnaire: Conputer Assisted Web Interview (CAWI)
the survey was carried out by Gallup Organization.
- Authors's Label
- Our Classification
- Self report on single question:
What is the level of your household income?
1: very low
5: very high