Hong Kong Public Opinion and Political Development
Research Background
This survey research project aims to examine Hong Kong people’s views on political reform and other important social issues in Hong Kong.
Survey Method
Mode of Interview
Interviewed by interviewers in form of Computer Assisted Telephone Interview (CATI)
Survey Respondent
Sampling Method
Random Sampling of Hong Kong telephone numbers
Fixed line
After successful contact with the household, if there were more than one member at home eligible for an interview, we would employ the “Next Birthday Rule” method to select the eligible member whose birthday comes soonest.
Mobile phone
After successful contact with the phone user, the eligible respondents will be invited for interview.
*Prior to 2019, the survey was conducted through fixed line phones only. Since 2019, it was transitioned to a mixed mode of fixed line and mobile phones.
Sample Information
| Year | Survey Period | Sample Size | Sampling Error at 95% Confidence Level | Response Rate |
| 2014 | 10-12, 15, 17/9 | 1,006 | ± 3.1% | 43% |
| 8-10, 13-15/10 | 802 | ± 3.5% | 37% | |
| 5-7, 9-11/11 | 1,030 | ± 3.1% | 42% | |
| 8-12/12 | 1,011 | ± 3.1% | 44% | |
| 2015 | 2-6, 9/3 | 1,009 | ± 3.1% | 43% |
| 13-20/5 | 1,041 | ± 3.0% | 42% | |
| 10-15/6 | 1,103 | ± 3.0% | 47% | |
| 14-17, 20-21/7 | 1,006 | ± 3.1% | 41% | |
| 2016 | 6-8, 11-15/7 | 1,010 | ± 3.1% | 43% |
| 2017 | 23-26, 29-31/5; 1-2/6 | 1,028 | ± 3.1% | 37% |
| 2019 | 23-24, 27-31/5; 3-5/6 | 734 | ± 3.0% | 40% |
| 2019 | 17-20/6 | 635 | ± 3.9% | 43% |
| 2019 | 7-9, 12-13/8 | 842 | ± 3.4% | 46% |
| 2019 | 5-6, 9-11/9 | 623 | ± 3.9% | 41% |
| 2019 | 8-14/10 | 751 | ± 3.6% | 44% |
| 2020 | 19-27/3 | 847 | ± 3.4% | 45% |
| 2020 | 25-29/5 | 815 | ± 3.4% | 44% |