Nesting (voting districts)

Delimitation of voting districts

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Nesting is the delimitation of voting districts for one elected body in order to define the voting districts for another body.[1]

The major concerns of nesting are that it may impede the creation of majority-minority districts, and that it may cause cities or other communities of interest to be split into different voting districts and therefore dilute their votes.

## By country

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### Fiji

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Under the 1970 constitution, Fiji had ten National constituencies. Each of them elected one indigenous Fijian member and one Indo-Fijian member on its own, but two national constituencies were nested into one for the election of General electors' representatives.[2]

### United Kingdom

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The Scottish Parliament and Senedd Cymru are elected using an Additional member system, combining single-member constituencies with a party-list component chosen to ensure overall proportional representation across the chamber. To elect this proportional component, single-member constituencies are nested together within larger multi-member regions. In addition, the single-member constituencies in the Senedd are identical to those used for the UK House of Commons; this was also the case in Scotland until the Fifth Periodic Review of Westminster constituencies.

### United States

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Law requires nesting of state house districts in state senate districts

Law suggests nesting of state house districts in state senate districts

even ratios of state house to state senate districts but no legal provision for nesting

has uneven lower-upper house legislative ratio but legally encourages nesting between both as well as with congressional districts

The US states which have nesting in their state legislatures (with the ratio of lower house to upper):

* Alaska (2/1)[3]
* Arizona (2/1)[4] (districts are identical)
* Illinois (2/1)[5]
* Iowa (2/1)[6]
* Maryland (3/1)[7] (29 of 47 districts are identical)
* Minnesota (2/1)[8]
* Montana (2/1)[9]
* New Jersey (2/1)[10] (districts are identical)
* North Dakota (2/1)[11] (45 of 47 districts are identical)
* Ohio (3/1)[12]
* Oregon (2/1)[13]
* South Dakota (2/1)[14] (33 of 35 districts are identical)
* Washington (2/1)[15] (districts are identical)
* Wisconsin (3/1)[16]

In addition there are four states with exact ratios (California, Hawaii, New York, and Wyoming) that encourage, but do not require, nesting of legislative districts.[17] Two other states with uneven lower-upper house ratios (Rhode Island and Utah) encourage nesting between legislative and congressional districts. Six other states (Alabama, Florida, Idaho, Indiana, Nevada and Tennessee) have lower-to-upper house seat ratios ranging from 2/1 to 4/1, but do not feature nesting in their laws on redistricting.

## References

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1. ^ Reapportionment and Redistricting in the West By Gary F. Moncrief p30
2. ^ "Fiji Independence Order 1970 and Constitution of Fiji".
3. ^ All about Redistricting - Alaska
4. ^ All about Redistricting - Arizona
5. ^ Illinois Constitution Article IV, Section 2(b) http://www.ilga.gov/commission/lrb/con4.htm
6. ^ All about Redistricting - Iowa
7. ^ All about Redistricting -Maryland
8. ^ All about Redistricting - Minnesota
9. ^ All about Redistricting -Montana
10. ^ All about Redistricting - New Jersey
11. ^ All about Redistricting - North Dakota
12. ^ All about Redistricting - Ohio
13. ^ All about Redistricting - Oregon
14. ^ All about Redistricting - South Dakota
15. ^ All about Redistricting - Washington
16. ^ All about Redistricting -Wisconsin
17. ^ Where the lines are drawn by the Brennan Center for Justice

## External links

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* The Implications of Nesting in California Redistricting an August 2007 UC Berkeley study by Bruce E. Cain and Karin Mac Donald (link to archive)

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Redistricting in the United States

By cycle|

* 1960
* 1970
* 1980
* 1990
* 2000
* 2010
* 2020

By state|

* Alabama
* Arizona
* Arkansas
* California
* Georgia
* Michigan
* North Carolina
* Ohio
* Pennsylvania
* Texas (2003)
* Virginia
* Washington
* Wisconsin

Organizations|

* National Democratic Redistricting Committee
* National Republican Redistricting Trust
* REDMAP

Related articles|

* Case law
* Congressional apportionment
* Gerrymandering
* Redistricting commission

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