University of Tokyo

Survey Number 1243
Survey Title Post-Election Survey for the 48th House of Representatives Election, 2017
Depositor The Association For Promoting Fair Elections
Restriction of Use For detailed information, please refer to 'For Data Users' at SSJDA website.

- Apply to SSJDA. SSJDA's approval required.
Educational Purpose Available for both research and instructional purposes.
Period of Data Use Permission Usage period is unlimited for research purposes. Usage period is one year for educational purposes.
Access to Datasets Download
Nesstar Not available
Summary This survey aims to investigate the actual voting behavior, etc., of voters in the 47th general election of the House of Representatives held on December 14, 2014, and to make it source material for election awareness in the future.

The main survey items are as follows.
(1) Interest in politics/elections
(2) Voting and abstention
(3) Sequence of events leading to voting choice
(4) Contact with election mediums
(5) About the electoral system
(6) Participation and contact with election awareness

Please note that starting with this survey, the universe is men and women aged 18 years and older, and this is a change from previous surveys, in which the survey universe was men and women aged 20 years and older.
Data Type quantitative research
quantitative research: micro data
Universe Male and female voters aged 18 years and older
Unit of Observation Individual
Sample Size Sample size: 3,150 people, valid responses: 2,151 people, response rate: 68.3%
Date of Collection
Time Period
Spatial Unit Japan
Sampling Procedure Sampling: voter registration lists
Sampling method: two-stage stratified random sampling
Number of locations: 210 locations in 209 municipalities
Mode of Data Collection Mail survey
Investigator The Association For Promoting Fair Elections, survey carried out by Yoron Chosa Shitsu (public opinion survey section) of The Mainichi Newspapers Co. Ltd
Sponsors (Funds)
Related Publications (by the Investigator) Please refer to the abstract in Japanese.
Related Publications (based on Secondary Analysis) List of related publications (based on Secondary Analysis)
Documentation Questionnaire
Major Survey Items (1) Interest in politics/elections
- Level of interest in politics, satisfaction level with politics, conservative/progressive ideology
- Life satisfaction level, forecast for improving life in the future
- Sense of obligation to vote, level of interest in elections

(2) Voting and abstention
- Whether or not respondent voted/types (voted on the day of the election/absentee or early voting), voting time
- [Single-member district voting] party of the candidate voted for, [proportional representation election] party voted for
- Reason for abstention, when the decision of abstention was made, situation that would encourage respondent to vote
- Reason for low voter turnout, evaluation of the number of seats won by the ruling party (too many/right amount/too few)
- [The 47th general election of the House of Representatives (December 2014)]
Party of the candidate voted for in the single-member district election, party voted for in the proportional representation election
(3) Sequence of events leading to the voting choice
- [Single-member district voting] Important aspects (party/individual candidates), aspects considered when deciding on the candidate to vote for, timing of deciding on the candidate to vote for
- Policy issues taken into account
- Usual party supported, party of preference

(4) Contact with election mediums
- Source of information on politics/elections
- Level of contact with and usefulness of election campaigns
- Use of online election campaigns and whether the information gathered was useful

(5) Details of the electoral system
- Perceptions of election cleanliness
- Evaluation of lowering the voting age
- Thoughts on low voter turnout
- Awareness of the need to change the location of the certificate of residence when moving to a new location
- Making known that one is not eligible to vote until three months pass after changing the location of the certificate of residence

(6) Participation and contact with election awareness
- Awareness of the promotion for fair elections/participation in lectures
- Awareness of the mascot of the promotion for fair elections
- Seeing a call to vote, effectiveness of calls to vote

[Face items]
- Gender, age, highest level of educational attainment, occupation, industry
- Years at residence, time it takes to reach voting place, voting end time at the place of voting
- Family structure, affiliation to groups
- Device used to connect to the Internet
- Whether respondent is conservative or liberal
Date of Release
Topics in CESSDA Click here for details

Topics in SSJDA Politics/Administration/Election
Version 2019/06/13 :
Notes for Users