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Boundary Delimitation

Japan Japan

BD001

Delimitation of constituencies
Question:Are constituencies delimited for election purposes?
Answer: a. Yes
Comments: Japan uses the mixed-system. In the Lower House (Shugiin), for the plurality system, Japan is divided into 289 single member districts and for the proportional representation system, it is divided into 11 blocks. In the Upper House (Sangiin), for the single non-transferable vote system, Japan is divided into 45 multi-member districts and for the propotional representation system, it is one nationwide district.
Source: Constitution, Art. 47: https://japan.kantei.go.jp/constitution_and_government_of_japan/constitution_e.html; Public Offices Election Act, Art. 13 & 14:https://elaws.e-gov.go.jp/search/elawsSearch/elaws_search/lsg0500/detail?lawId=325AC1000000100
Verified: 2021/09/17
(Found a mistake? Please let us know.)
BD003

Criteria for drawing boundaries
Question:On what criteria are the boundaries drawn?
Answer(s): a. "Equality" of population
b. Respecting natural barriers
d. Conformity with local jurisdiction boundaries
Comments:
Source: Public Offices Election Act, Art. 15 (7):https://elaws.e-gov.go.jp/search/elawsSearch/elaws_search/lsg0500/detail?lawId=325AC1000000100 Order for Enforcement of the Public Offices Election Act, Ch.2: https://elaws.e-gov.go.jp/search/elawsSearch/elaws_search/lsg0500/detail?lawId=325CO0000000089#C
Verified: 2021/09/17
(Found a mistake? Please let us know.)
BD005

Body responsible for drawing boundaries
Question:The body responsible for drawing the boundaries is:
Answer(s): a. Legislature (1st chamber)
b. Legislature (2nd chamber)
d. Boundary Commission
Comments: For the lower house, the advise on the delimitation of constituencies made by the Boundary Commission must be accepted by the legislature. For the upper house, the boundary is based on the existing local jurisdiction boundaries.
Source: Constitution, Art. 47: https://japan.kantei.go.jp/constitution_and_government_of_japan/constitution_e.html; Public Offices Election Act, Art. 13 & 14:https://elaws.e-gov.go.jp/search/elawsSearch/elaws_search/lsg0500/detail?lawId=325AC1000000100 Order for Enforcement of the Public Offices Election Act, Ch.2: https://elaws.e-gov.go.jp/search/elawsSearch/elaws_search/lsg0500/detail?lawId=325CO0000000089#C Act for Establishment of the Council on the House of Representative Electoral District;https://elaws.e-gov.go.jp/search/elawsSearch/elaws_search/lsg0500/detail?lawId=406AC0000000003#16 IFES"Delimitation Equity Project Resource Guide": https://ifes.org/sites/default/files/delimitations_manual_full_0.pdf
Verified: 2021/09/17
(Found a mistake? Please let us know.)
The data on this page is continuously updated. Additional, but potentially outdated material is available here.