Electoral (District Boundaries) Amendment Bill
Electoral (District Boundaries) Amendment Bill
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Electoral (District Boundaries) Amendment Bill
Electoral (District Boundaries) Amendment Bill
Government Bill
251—1
Explanatory note
General policy statement
The Electoral (District Boundaries) Amendment Bill (the Bill) amends the Electoral Act 1993 (the Act) to decouple the timing of electoral boundary reviews from censuses and instead tie electoral boundary reviews to every second general electoral cycle, from 2030. The purpose is to align the policy settings in the Act with the Government’s work to modernise the census process, while ensuring that there is a logical link between boundary reviews and the electoral cycles to which they relate.
The Bill is related to the Data and Statistics (Census) Amendment Bill, which amends the Data and Statistics Act 2022 to—
move to annual publication of census data and statistics:
reschedule the 2028 census to 2030:
update the Government Statistician’s consultation and review obligations under a modern (admin data-first) census approach:
amend the law to support the admin data-first census approach.
Under the admin data-first census approach, future censuses of the population and dwellings will be taken by using administrative data as the primary source and supplementing the data with sample surveys. From 2030, the 5-yearly full enumeration census model will be replaced by ongoing data collection and publication on an annual basis.
The Bill addresses the electoral implications of this approach and ensures that important constitutional processes related to electoral representation are fit for purpose and consistent with changes being made elsewhere in legislation.
Setting statutory deadlines for electoral boundary reviews
The Bill aims to ensure that electoral boundary reviews in New Zealand take place on a regular and predictable basis to ensure fair and equal representation between electoral districts. To ensure the regularity of reviews, the Bill—
replaces the existing requirement for electoral boundary reviews to be conducted after each periodical census (which are currently conducted every 5 years) with a new requirement to conduct an electoral boundary review during every second parliamentary term, from 2030:
requires the Representation Commission to complete each electoral boundary review no later than 12 months before the expiry of a parliamentary term in which an electoral boundary review is due:
sets a statutory deadline for the Surveyor-General to call the first meeting of the Representation Commission that is no later than 24 months before the expiry of the parliamentary term in which an electoral boundary review is due, to ensure that electoral boundary reviews commence with sufficient time for the Representation Commission to complete its duties.
Determining calculation of electoral populations as on “counting day”
The Bill amends the definition of counting day, currently used for the purpose of calculating the Māori electoral population, to align with a specific reference date referred to in the Data and Statistics (Census) Amendment Bill. That Bill provides that the Government Statistician must, in each financial year, publish statistics from a census of population and dwellings in relation to a reference date for the previous financial year. The reference date automatically defaults to 30 June in each year although the Government Statistician may, by notice in the Gazette, specify an earlier reference date for any financial year. The reference date replaces the historical concept of census day.
There are new definitions of counting day for the purposes of determining the General electoral population and the Māori electoral population. These definitions support the admin data-first census approach and ensure that the calculations are based on the most up-to-date data available.
Other changes
The Bill makes other related policy changes, alongside some minor and technical changes to ensure that the boundary review system remains fit for purpose, including—
providing that the term of office of the Chairperson of the Representation Commission and the politically appointed members of the Representation Commission ceases on the dissolution or expiry of the term of the Parliament during which they were appointed:
ensuring that the first meeting of the Representation Commission need only be called when there is a quorum of members.
Departmental disclosure statement
The Ministry of Justice is required to prepare a disclosure statement to assist with the scrutiny of this Bill. The disclosure statement provides access to information about the policy development of the Bill and identifies any significant or unusual legislative features of the Bill.
A copy of the statement can be found at http://legislation.govt.nz/disclosure.aspx?type=bill&subtype=government&year=2026&no=251
Regulatory impact statement
The Ministry of Justice produced a regulatory impact statement on 9 October 2025 to help inform the main policy decisions taken by the Government relating to the contents of this Bill.
A copy of this regulatory impact statement can be found at—
Clause by clause analysis
Clause 1 is the Title clause.
Clause 2 is the commencement clause. It provides that the Bill comes into force on 1 January 2030.
Clause 3 provides that the Bill amends the Electoral Act 1993 (the principal Act).
Part 1Amendments to reserved provisions
Clauses 4 and 5 amend the following provisions of the principal Act:
section 3, in relation to the definition of General electoral population:
section 35.
Those provisions are reserved provisions (see section 268(1)(c) of the principal Act) and the amendments will require to be passed by a majority of 75% of all of the members of the House of Representatives.
Clause 4 amends section 3(1) of the principal Act to replace the definition of General electoral population. Definitions of reference date and specified Parliament are also inserted into section 3(1) of the principal Act. Those terms are used in the definition of counting day for the purposes of the definition of General electoral population (see new section 3(1A) inserted by clause 4(3)) and for the purposes of the definition of Māori electoral population (see new section 3(1B) inserted by clause 6(3)).
Clause 5 amends section 35 of the principal Act to make the following substantive changes:
the periodic division of New Zealand into General electoral districts that currently takes place every 5 years following a census is, in future, to take place every second parliamentary term, with the first division to take place during the parliamentary term underway when this Bill comes into force on 1 January 2030 (expected to be the 56th Parliament):
the Surveyor-General must convene a first meeting of the members of the Representation Commission not later than 24 months before the term of the Parliament in which a division must be made is due to expire or, if the members representing the Government and the Opposition have not by then been appointed, as soon as possible after those 2 members have been appointed (this time frame ensures that the Commission is able to meet the reporting deadlines in new sections 40(1) and 45(9)):
as soon as is reasonably practicable after the Government Statistician has received from the Electoral Commission the information needed to calculate the Māori electoral population, the Government Statistician must report to the Representation Commission—
the figure calculated for the Māori electoral population; and
the figure calculated for the General electoral population.
Part 2Amendments to other provisions
Clause 6 amends paragraph (b) of the definition of Māori electoral population in section 3(1) of the principal Act to replace a reference to census day with a reference to the counting day that is used for the purposes of the definition of General electoral population. The definitions of counting day and on census day are repealed as they are now redundant. Clause 6 also inserts new section 3(1B) into the principal Act to define counting day for the purposes of paragraph (a) of the definition of Māori electoral population.
Clause 7 replaces section 29 of the principal Act to provide that the Chairperson of the Representation Commission and the members of the Representation Commission representing the Government and Opposition, unless they sooner resign, cease to hold office when the Parliament during which they were appointed is dissolved or expires. However, in the event of the early dissolution of that Parliament, they continue to hold office until the boundaries of the General electoral districts and Māori electoral districts are fixed by the Commission (see new sections 40A and 45A inserted by clauses 10 and 14, respectively).
Clause 8 amends section 33(2) of the principal Act to update the reference to the Deputy Surveyor-General being appointed under section 8 of the Survey Act 1986. The latter Act was repealed by the Cadastral Survey Act 2002 and the Deputy Surveyor-General is appointed under section 6(1) of that Act.
Clause 9 replaces section 40(1) of the principal Act. Currently, section 40(1) requires that within 6 months after the Representation Commission meets to discuss the maps showing the provisional boundaries of the General electoral districts, it must report its determinations to the Governor-General and publish a notice in the Gazette. This 6-month time frame is changed in new section 40(1) to a time frame of not later than 12 months before the term of the Parliament in which a division must be made is due to expire. Some technical amendments are also made to section 40(2) and (3) to clarify that references to electoral districts are to the General electoral districts (section 45 of the principal Act provides for the fixing, reporting, and notification of the Māori electoral districts).
Clause 10 inserts new section 40A into the principal Act. New section 40A provides for the situation where a Parliament is dissolved before the Representation Commission has completed a periodic division of New Zealand into General electoral districts. In this case, sections 35 to 40 of the principal Act continue to apply as if the Parliament had not been dissolved and the Chairperson of the Commission and the members of the Commission representing the Government and Opposition continue to hold office for this purpose despite new section 29(1) of the principal Act (see clause 7). This ensures that the Commission is able to complete its duties under the principal Act and report to the Governor-General the names and boundaries of the General electoral boundaries that it has fixed. A periodic division of New Zealand into General electoral districts that is completed in a subsequent Parliament is to be treated as having been completed in the Parliament in which the division commenced. This maintains the regular cycle of periodic divisions every second Parliament.
Clause 11 replaces section 41(1) of the principal Act to update its language and clarify that the reports referred to in that section are the reports of the Commission relating to the boundaries of the General electoral districts and Māori electoral districts.
Clause 12 replaces section 42(3) and (4) of the principal Act to update references to the Department of Survey and Land Information with references to Land Information New Zealand.
Clause 13 amends section 45 of the principal Act, which relates to the periodic division of New Zealand into Māori electoral districts. Section 45(1) and (2) is replaced to mirror new section 35(1) and (2). Section 45(9) is also replaced to mirror new section 40(1). Technical amendments are also made to section 45(3) to (8).
Clause 14 inserts new section 45A into the principal Act. New section 45A provides for the situation where a Parliament is dissolved before the Representation Commission has completed a periodic division of New Zealand into Māori electoral districts. In this case, section 45 of the principal Act continues to apply as if the Parliament had not been dissolved and the Chairperson of the Commission and the members of the Commission representing the Government and Opposition continue to hold office for this purpose despite new section 29(1) of the principal Act (see clause 7). This ensures that the Commission is able to complete its duties under section 45 and report to the Governor-General the names and boundaries of the Māori electoral boundaries that it has fixed. A periodic division of New Zealand into Māori electoral districts that is completed in a subsequent Parliament is to be treated as having been completed in the Parliament in which the division commenced. This maintains the regular cycle of periodic divisions every second Parliament. New section 45A is a parallel provision to new section 40A (inserted by clause 10).
Clause 15 replaces section 79(2) of the principal Act. The definitions of counting day and on census day in that subsection are replaced by a definition of counting day that is the same as in new section 3(1B) (inserted by clause 6(3)).
Clause 16 updates the description of General electoral population in section 268(1)(c) of the principal Act to align with the new definition of that term (see clause 4(1)).
Clause 17 amends Schedule 1AA of the principal Act to insert, as new Part 5 of that schedule, the 2 transitional provisions set out in the Schedule of this Bill.
The first transitional provision provides that the term of office of the Chairperson of the Representation Commission and the 2 members of the Commission appointed to represent the Government and the Opposition ceases on 1 January 2030 when this Bill comes into force.
The second transitional provision extends (by 4 months) the deadline for the Representation Commission to report and publish, under sections 40 and 45, respectively, the names and boundaries of the General electoral districts and Māori electoral districts following the completion of the first periodic division after the commencement of this Bill.
Hon Paul Goldsmith
Electoral (District Boundaries) Amendment Bill
Government Bill
251—1
Contents
The Parliament of New Zealand enacts as follows:
1 Title
This Act is the Electoral (District Boundaries) Amendment Act 2026.
2 Commencement
This Act comes into force on 1 January 2030.
3 Principal Act
This Act amends the Electoral Act 1993.
Part 1 Amendments to reserved provisions
4 Section 3 amended (Interpretation)
(1)
In section 3(1), replace the definition of General electoral population with:
General electoral population means the total ordinarily resident population on counting day, excluding the Māori electoral population
(2)
In section 3(1), insert in their appropriate alphabetical order:
reference date means a reference date within the meaning of section 34 of the Data and Statistics Act 2022
specified Parliament means a Parliament during the term of which a periodic division of New Zealand into General electoral districts and Māori electoral districts must be made in accordance with the requirements of sections 35 and 45
(3)
After section 3(1), insert:
(1A)
For the purposes of the definition of General electoral population,—
counting day means—
(a)
the day that—
(i)
is during the term of a specified Parliament other than in the 20-month period before the specified Parliament is due to expire (the 20-month exclusion period); and
(ii)
is the most recent reference date in relation to which statistics from a census were published by the Government Statistician before the commencement of the 20-month exclusion period; or
(b)
if there is no such day, the day that is the last reference date in the 12-month period before the commencement of the term of the specified Parliament referred to in paragraph (a) in relation to which statistics from a census were published by the Government Statistician (whether before or after the commencement of the specified Parliament).
Example of counting day in paragraph (a)
Say, in the 2035–38 parliamentary term, the term of Parliament commences on 15 July 2035 and expires on 15 July 2038.
The 20-month exclusion period commences on 15 November 2036.
The last date before 15 November 2036 on which the Government Statistician published statistics from a census was 1 October 2036.
The statistics published on 1 October 2036 were in relation to the reference date of 30 June 2036.
Counting day is therefore 30 June 2036 as this date is during the 2035–38 parliamentary term between 15 July 2035 and the commencement of the 20-month exclusion period on 15 November 2036 and is the last reference date in respect of which statistics were published before 15 November 2036.
Example of counting day in paragraph (b)
Say, in the 2035–38 parliamentary term, the term of Parliament commences on 15 July 2035 and expires on 15 July 2038.
The 20-month exclusion period commences on 15 November 2036.
The last reference date before 15 November 2036 was 30 June 2036 but the Government Statistician did not publish statistics from a census in relation to this date before 15 November 2036.
The previous reference date was 30 June 2035 but this date is before the 2035–38 parliamentary term started on 15 July 2035.
There is therefore no counting day during the 2035–38 parliamentary term between 15 July 2035 and the commencement of the 20-month exclusion period on 15 November 2036 as described in paragraph (a).
Before 15 November 2036, the statistics from a census were last published by the Government Statistician on 20 September 2035.
The statistics published on 20 September 2035 were in relation to the reference date of 30 June 2035.
Counting day is therefore 30 June 2035 as this date is the last reference date in the 12-month period between 15 July 2034 and 15 July 2035 in relation to which statistics from a census were published by the Government Statistician.
5 Section 35 amended (Division of New Zealand into General electoral districts)
(1)
Replace section 35(1) and (2) with:
(1)
The Commission must periodically divide New Zealand into General electoral districts.
(2)
The periodic divisions must be made as follows:
(a)
the first division must be made during the current Parliament; and
(b)
the next and all following divisions must be made once during the term of every subsequent second Parliament following the Parliament in which the last periodic division was required to be made.
(2)
In section 35(3), replace “Subject to section 269, each division effected under subsection (1) shall be effected”
with “Each periodic division must be conducted”
.
(3)
Replace section 35(4) with:
(4)
For the purpose of nominating a Chairperson of the Commission to be appointed under section 28(2)(f), the Surveyor-General must convene a meeting of the members of the Commission not later than 24 months before the term of the Parliament in which a division must be made is due to expire or, if the 2 members of the Commission referred to in section 28(2)(e) have not by then been appointed, a date that is as soon as possible after those 2 members of the Commission have been appointed.
(4)
Replace section 35(6) with:
(6)
As soon as is reasonably practicable after the Government Statistician has been supplied with the information referred to in subsection (5), the Government Statistician must report the following to the Commission:
(a)
the figure for the Māori electoral population calculated using that information; and
(b)
the figure calculated for the General electoral population.
Part 2 Amendments to other provisions
6 Section 3 amended (Interpretation)
(1)
In section 3(1), definition of Māori electoral population, paragraph (b), replace “census day”
with “the counting day used for the purposes of the definition of General electoral population (see subsection (1A)”
.
(2)
In section 3(1), repeal the definitions of—
(a)
counting day; and
(b)
on census day.
(3)
After section 3(1A) (inserted by section 4(3) of this Act), insert:
(1B)
For the purposes of paragraph (a) of the definition of Māori electoral population,—
counting day means—
(a)
the day that—
(i)
is during the term of a specified Parliament other than in the 20-month period before the specified Parliament is due to expire (the 20-month exclusion period); and
(ii)
is the most recent reference date in relation to which statistics from a census were published by the Government Statistician before the commencement of the 20-month exclusion period; or
(b)
if there is no such day, the day that is the day after the return of the writ for the last general election preceding the commencement of the term of the specified Parliament referred to in paragraph (a).
Example of counting day in paragraph (a)
Say, in the 2035–38 parliamentary term, the term of Parliament commences on 15 July 2035 and expires on 15 July 2038.
The 20-month exclusion period commences on 15 November 2036.
The last date before 15 November 2036 on which the Government Statistician published statistics from a census was 1 October 2036.
The statistics published on 1 October 2036 were in relation to the reference date of 30 June 2036.
Counting day is therefore 30 June 2036 as this date is during the 2035–38 parliamentary term between 15 July 2035 and the commencement of the 20-month exclusion period on 15 November 2036 and is the last reference date in respect of which statistics were published before 15 November 2036.
Example of counting day in paragraph (b)
Say, in the 2035–38 parliamentary term, the term of Parliament commences on 15 July 2035 and expires on 15 July 2038.
The 20-month exclusion period commences on 15 November 2036.
The last reference date before 15 November 2036 was 30 June 2036 but the Government Statistician did not publish statistics from a census in relation to this date before 15 November 2036.
The previous reference date was 30 June 2035 but this date is before the 2035–38 parliamentary term started on 15 July 2035.
There is therefore no counting day during the 2035–38 parliamentary term between 15 July 2035 and the commencement of the 20-month exclusion period on 15 November 2036 as described in paragraph (a).
The last general election preceding the commencement of the parliamentary term on 15 July 2035 was held on 1 June 2035.
The writ for that general election was returned on 15 July 2035.
Counting day is therefore 16 July 2035 as this is the day after the day on which the writ was returned for the last general election that was held before the commencement of the term of Parliament on 15 July 2035.
7 Section 29 replaced (Term of office)
Replace section 29 with:
29 Term of office
(1)
The Chairperson and the members of the Commission appointed under section 28(2)(e) and (3)(b) cease to be members of the Commission on the dissolution or expiry of the term of the Parliament during which they were appointed.
(2)
Subsection (1) is subject to sections 30, 40A, and 45A.
8 Section 33 amended (Deputies of ex officio members)
In section 33(2), replace “pursuant to section 8 of the Survey Act 1986 shall have”
with “under section 6(1) of the Cadastral Survey Act 2002 has”
.
9 Section 40 amended (Report of Commission)
(1)
Replace section 40(1) with:
(1)
Not later than 12 months before the term of the Parliament in which a division must be made is due to expire, the Commission must—
(a)
report to the Governor-General the names and boundaries of the General electoral districts finally determined by the Commission; and
(b)
publish in the Gazette a notice stating—
(i)
that the Commission has finally determined the names and boundaries of the General electoral districts; and
(ii)
that the names and boundaries of the General electoral districts fixed by the Commission are available for public inspection; and
(iii)
the places at which copies of the names and boundaries fixed by the Commission are available for public inspection without charge (which places must include the offices of the Electoral Commission).
(2)
In section 40(2), before “electoral districts”
, insert “General”
.
(3)
In section 40(3), before “electoral districts”
, insert “General”
in each place.
10 New section 40A inserted (Requirements in sections 35 to 40 to continue despite early dissolution of Parliament)
After section 40, insert:
40A Requirements in sections 35 to 40 to continue despite early dissolution of Parliament
(1)
This section applies if the Parliament during the term of which a periodic division of New Zealand into General electoral districts must be made is dissolved before the Commission has complied with the requirements in section 40.
(2)
Sections 35 to 40 continue to apply as if the Parliament had not been dissolved and for that purpose the Chairperson and every member of the Commission referred to in section 28(2)(e) or (3)(b) continue to hold office until the Commission reports to the Governor-General the names and boundaries of the General electoral districts.
(3)
A periodic division of New Zealand into General electoral districts completed in reliance on subsection (2) is to be treated as having been completed in the term of the Parliament in which the periodic division commenced.
11 Section 41 amended (Report and maps to be laid before House of Representatives)
Replace section 41(1) with:
(1)
A copy of reports provided to the Governor-General by the Commission under sections 40(1)(a) and 45(9)(a), together with maps of the electoral districts fixed by the reports, must be presented by the Governor-General to the House of Representatives within 3 sitting days after the date of their receipt if Parliament is then in session or, if Parliament is not in session, within 3 sitting days after the date of the commencement of the next parliamentary session.
12 Section 42 amended (Indexes of streets and places)
Replace section 42(3) and (4) with:
(3)
Copies of each index compiled under subsection (1)(a) are available for purchase from Land Information New Zealand.
(4)
Copies of each index compiled under subsection (1)(b) in respect of an electoral district are available for purchase at every Land Information New Zealand office and at such other places as the Electoral Commission directs.
13 Section 45 amended (Maori representation)
(1)
In the heading to section 45, replace “Maori”
with “Māori”
.
(2)
Replace section 45(1) and (2) with:
(1)
The Commission must periodically divide New Zealand into Māori electoral districts for the purposes of the representation of Māori persons in the House of Representatives.
(2)
The periodic divisions must be made as follows:
(a)
the first division must be made during the current Parliament; and
(b)
the next and all following divisions must be made once during the term of every subsequent second Parliament following the Parliament in which the last periodic division was required to be made.
(3)
In section 45(3), replace “Subject to section 269, each division effected under subsection (1) shall be effected”
with “Each periodic division must be conducted”
.
(4)
In section 45(3) to (8), replace “Maori”
with “Māori”
in each place.
(5)
Replace section 45(9) with:
(9)
Not later than 12 months before the term of the Parliament in which a division must be made is due to expire, the Commission must—
(a)
report to the Governor-General the names and boundaries of the Māori electoral districts finally determined by the Commission; and
(b)
publish in the Gazette a notice stating—
(i)
that the Commission has finally determined the names and boundaries of the Māori electoral districts; and
(ii)
that the names and boundaries of the Māori electoral districts fixed by the Commission are available for public inspection; and
(iii)
the places at which copies of the names and boundaries fixed by the Commission are available for public inspection without charge (which places must include the offices of the Electoral Commission).
(6)
In section 45(10) to (12), replace “Maori”
with “Māori”
in each place.
14 New section 45A inserted (Requirements in section 45 to continue despite early dissolution of Parliament)
After section 45, insert:
45A Requirements in section 45 to continue despite early dissolution of Parliament
(1)
This section applies if the Parliament during the term of which a periodic division of New Zealand into Māori electoral districts must be made is dissolved before the Commission has complied with the requirements in section 45.
(2)
Section 45 continues to apply as if the Parliament had not been dissolved and for that purpose the Chairperson and every member of the Commission referred to in section 28(2)(e) or (3)(b) continue to hold office until the Commission reports to the Governor-General the names and boundaries of the Māori electoral districts.
(3)
A periodic division of New Zealand into Māori electoral districts completed in reliance on subsection (2) is to be treated as having been completed in the term of the Parliament in which the periodic division commenced.
15 Section 79 amended (Determination of Māori electoral population)
Replace section 79(2) with:
(2)
In subsection (1), counting day has the meaning given in section 3(1B).
16 Section 268 amended (Restriction on amendment or repeal of certain provisions)
In section 268(1)(c), replace “division of New Zealand into electoral districts after each census”
with “periodic division of New Zealand into General electoral districts”
.
17 Schedule 1AA amended
In Schedule 1AA,—
(a)
insert the Part set out in the Schedule of this Act as the last Part; and
(b)
make all necessary consequential amendments.
Schedule New Part 5 inserted into Schedule 1AA
s 17
Part 5 Provisions relating to Electoral (District Boundaries) Amendment Act 2026
11 Interpretation
In this Part,—
amendment Act means the Electoral (District Boundaries) Amendment Act 2026
commencement date means 1 January 2030.
12 Representation Commission: term of office of appointed members ceases
The members of the Representation Commission appointed under section 28(2)(e), (f), or (3)(b) before the commencement date cease to hold office on that date.
13 Reports, etc, of Commission under sections 40 and 45 for first periodic division after commencement of amendment Act
(1)
This clause applies for the purposes of the first periodic division of New Zealand into General electoral districts and Māori electoral districts after the commencement date.
(2)
The deadline in sections 40(1)(a) and 45(9) for the Representation Commission to report and publish in the Gazette the names and boundaries of the General electoral districts and Māori electoral districts must be read as not later than 8 months before the term of the Parliament in which the division is being made is due to expire.
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Versions
Electoral (District Boundaries) Amendment Bill
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