Methodologyv0

EIIElection Integrity Index

How well does the legal framework defend against vote-altering attacks?

29 datapoints · 7 dimensions · 95 jurisdictions scored

Jurisdiction Scores

JurisdictionScoreRaw
Californiaus-ca63.2%34/53
Wisconsinus-wi56.6%30/53
Estoniaee53.8%29/53
Texasus-tx48.1%26/53
Kentuckyus-ky46.2%25/53
Montanaus-mt44.3%24/53
Georgiaus-ga40.6%22/53
Alabamaus-al39.6%21/53
Swedense38.7%21/53
Minnesotaus-mn38.7%21/53
Denmarkdk37.7%20/53
Coloradous-co37.7%20/53
Floridaus-fl37.7%20/53
Arkansasus-ar35.8%19/53
New Hampshireus-nh35.8%19/53
Ohious-oh35.8%19/53
Finlandfi34.9%19/53
New Yorkus-ny34.9%19/53
Norwayno34.0%18/53
North Dakotaus-nd34.0%18/53
South Dakotaus-sd34.0%18/53
Tennesseeus-tn34.0%18/53
Washingtonus-wa34.0%18/53
Russiaru32.1%17/53
Connecticutus-ct32.1%17/53
South Carolinaus-sc32.1%17/53
Virginiaus-va32.1%17/53
New Mexicous-nm30.2%16/53
Lithuanialt29.2%16/53
Armeniaam28.3%15/53
Indianaus-in28.3%15/53
Marylandus-md28.3%15/53
Maineus-me28.3%15/53
Vermontus-vt28.3%15/53
Iowaus-ia26.4%14/53
Idahous-id26.4%14/53
Michiganus-mi26.4%14/53
West Virginiaus-wv26.4%14/53
Illinoisus-il25.5%14/53
Delawareus-de24.5%13/53
Rhode Islandus-ri24.5%13/53
Kansasus-ks22.6%12/53
Missourius-mo22.6%12/53
Nevadaus-nv22.6%12/53
Pennsylvaniaus-pa22.6%12/53
Latvialv21.7%12/53
Bulgariabg20.8%11/53
Moldovamd20.8%11/53
Madagascarmg20.8%11/53
Maltamt20.8%11/53
Turkeytr20.8%11/53
Ukraineua20.8%11/53
Arizonaus-az20.8%11/53
Oregonus-or20.8%11/53
Belarusby18.9%10/53
Spaines18.9%10/53
Francefr18.9%10/53
Georgiage18.9%10/53
Netherlandsnl18.9%10/53
Louisianaus-la18.9%10/53
Mississippius-ms18.9%10/53
North Carolinaus-nc18.9%10/53
Portugalpt17.9%10/53
Argentinaar17.0%9/53
Belgiumbe17.0%9/53
Brazilbr17.0%9/53
Canadaca17.0%9/53
Kazakhstankz17.0%9/53
Hawaiius-hi17.0%9/53
Massachusettsus-ma17.0%9/53
Utahus-ut17.0%9/53
Austriaat15.1%8/53
Germanyde15.1%8/53
United Kingdomgb15.1%8/53
Greenlandgl15.1%8/53
Luxembourglu15.1%8/53
Mexicomx15.1%8/53
Serbiasr15.1%8/53
Nebraskaus-ne15.1%8/53
Oklahomaus-ok15.1%8/53
Australiaau13.2%7/53
Irelandie13.2%7/53
Romaniaro13.2%7/53
Alaskaus-ak13.2%7/53
Wyomingus-wy13.2%7/53
South Africaza13.2%7/53
Icelandis11.3%6/53
Polandpl11.3%6/53
United Statesus11.3%6/53
New Jerseyus-nj10.4%6/53
Chinacn9.4%5/53
Croatiahr9.4%5/53
Greecegr8.5%5/53
Czechiacz1.9%1/53
North Koreakp1.9%1/53

Datapoint × Jurisdiction Heatmap

Each row is a datapoint; each column a jurisdiction. Color encodes the percent of the maximum score achieved. Cells without data are blank.

Datapoints — by Dimension

Citizen Verifiability 4 datapoints

CodeNameus-caus-wieeus-txus-kyus-mtus-gaus-alseus-mndkus-cous-flus-arus-nhus-ohfius-nynous-ndus-sdus-tnus-waruus-ctus-scus-vaus-nmltamus-inus-mdus-meus-vtus-iaus-idus-mius-wvus-ilus-deus-rius-ksus-mous-nvus-palvbgmdmgmttruaus-azus-orbyesfrgenlus-laus-msus-ncptarbebrcakzus-hius-maus-utatdegbgllumxsrus-neus-okauierous-akus-wyzaisplusus-njcnhrgrczkp
4.1Public verification artifact
Does law mandate a downloadable public package containing certificates, device records, and result signatures?
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4.2End-to-end verifiability permitted
Does law permit (or require) per-voter cryptographic receipts that prove inclusion without revealing the vote?
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4.3Voter-verifiable paper trail
Is voter-verifiable paper record (VVPAT or hand-marked paper) legally required?
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4.4Citizen re-tally right
Can any citizen — not just parties — legally re-tally from published precinct data?
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Custody Hardware 4 datapoints

CodeNameus-caus-wieeus-txus-kyus-mtus-gaus-alseus-mndkus-cous-flus-arus-nhus-ohfius-nynous-ndus-sdus-tnus-waruus-ctus-scus-vaus-nmltamus-inus-mdus-meus-vtus-iaus-idus-mius-wvus-ilus-deus-rius-ksus-mous-nvus-palvbgmdmgmttruaus-azus-orbyesfrgenlus-laus-msus-ncptarbebrcakzus-hius-maus-utatdegbgllumxsrus-neus-okauierous-akus-wyzaisplusus-njcnhrgrczkp
2.1Hardware tamper standard
Are tamper-evident or tamper-responsive hardware standards mandated?
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2.2Network isolation mandate
Is internet/Wi-Fi/cellular connectivity legally prohibited on vote-casting equipment?
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2.3Custody documentation
Is full chain-of-custody documentation required and publicly available?
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2.4Tamper criminal penalty
Are there explicit criminal penalties for unauthorized device access?
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Post Election Audit 5 datapoints

CodeNameus-caus-wieeus-txus-kyus-mtus-gaus-alseus-mndkus-cous-flus-arus-nhus-ohfius-nynous-ndus-sdus-tnus-waruus-ctus-scus-vaus-nmltamus-inus-mdus-meus-vtus-iaus-idus-mius-wvus-ilus-deus-rius-ksus-mous-nvus-palvbgmdmgmttruaus-azus-orbyesfrgenlus-laus-msus-ncptarbebrcakzus-hius-maus-utatdegbgllumxsrus-neus-okauierous-akus-wyzaisplusus-njcnhrgrczkp
3.1Mandatory audit
Is a post-election audit legally required for every election?
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3.2Audit method
What audit method is mandated?
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3.3Audit triggers beyond mandatory
Does law trigger additional audits on close margins or sworn challenges?
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3.4Public observation of audit
Are parties, media, and citizens granted observer access to the audit?
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3.5Binding force
Are audit results legally binding on the final certified result?
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Software Verifiability 5 datapoints

CodeNameus-caus-wieeus-txus-kyus-mtus-gaus-alseus-mndkus-cous-flus-arus-nhus-ohfius-nynous-ndus-sdus-tnus-waruus-ctus-scus-vaus-nmltamus-inus-mdus-meus-vtus-iaus-idus-mius-wvus-ilus-deus-rius-ksus-mous-nvus-palvbgmdmgmttruaus-azus-orbyesfrgenlus-laus-msus-ncptarbebrcakzus-hius-maus-utatdegbgllumxsrus-neus-okauierous-akus-wyzaisplusus-njcnhrgrczkp
1.1Source code disclosure
Is voting system source code legally accessible?
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1.2Reproducible builds requirement
Must the binary that runs in production be reproducibly buildable from public source?
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1.3Pre-election binary commitment
Is the running binary cryptographically committed (hash published) before polls open?
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1.4Election definition publication
Are ballot contests, layouts, and tabulation rules signed and published before polls open?
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1.5Post-election integrity check
Does law grant a right to verify the actual running binary matches the committed one?
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Transparency Observation 4 datapoints

CodeNameus-caus-wieeus-txus-kyus-mtus-gaus-alseus-mndkus-cous-flus-arus-nhus-ohfius-nynous-ndus-sdus-tnus-waruus-ctus-scus-vaus-nmltamus-inus-mdus-meus-vtus-iaus-idus-mius-wvus-ilus-deus-rius-ksus-mous-nvus-palvbgmdmgmttruaus-azus-orbyesfrgenlus-laus-msus-ncptarbebrcakzus-hius-maus-utatdegbgllumxsrus-neus-okauierous-akus-wyzaisplusus-njcnhrgrczkp
6.1Domestic observer rights
Are party and civil-society observers given full procedural access?
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6.2International observer access
Are OSCE/EU/IFES international observers admitted by default?
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6.3Precinct-level results publication speed
Are precinct-level results legally required to be published within 24h of poll close?
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6.4Public election event log
Is a public, signed, append-only election event log legally required?
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Vendor Independence 4 datapoints

CodeNameus-caus-wieeus-txus-kyus-mtus-gaus-alseus-mndkus-cous-flus-arus-nhus-ohfius-nynous-ndus-sdus-tnus-waruus-ctus-scus-vaus-nmltamus-inus-mdus-meus-vtus-iaus-idus-mius-wvus-ilus-deus-rius-ksus-mous-nvus-palvbgmdmgmttruaus-azus-orbyesfrgenlus-laus-msus-ncptarbebrcakzus-hius-maus-utatdegbgllumxsrus-neus-okauierous-akus-wyzaisplusus-njcnhrgrczkp
5.1Multi-vendor capability
Does law permit multiple certified vendors to operate in the same election?
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5.2Open protocol standards
Are vote-format / device-protocol standards open and publicly documented?
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5.3Contract duration cap
Are vendor contracts capped in duration, preventing perpetual lock-in?
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5.4Source-code escrow
Is source-code escrow with the state required as a condition of certification?
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Voter Access 3 datapoints

CodeNameus-caus-wieeus-txus-kyus-mtus-gaus-alseus-mndkus-cous-flus-arus-nhus-ohfius-nynous-ndus-sdus-tnus-waruus-ctus-scus-vaus-nmltamus-inus-mdus-meus-vtus-iaus-idus-mius-wvus-ilus-deus-rius-ksus-mous-nvus-palvbgmdmgmttruaus-azus-orbyesfrgenlus-laus-msus-ncptarbebrcakzus-hius-maus-utatdegbgllumxsrus-neus-okauierous-akus-wyzaisplusus-njcnhrgrczkp
7.1Ballot secrecy guarantee
Is voter–ballot unlinkability legally guaranteed and enforceable?
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7.2Accessibility mandate
Are accessibility standards (vision, motor, language) legally required at every polling place?
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7.3Polling-place density floor
Is there a legal floor on polling places per N voters or per geographic area?
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About this score

Per-jurisdiction scores are SUM(score) / SUM(max_score) across the datapoints above. Each datapoint has a scoring rule (binary / ordinal / etc.) defined in the methodology, and an evidence quote pinned to the exact statute section that justifies the score. See the per-datapoint page for the full rationale and the source citation.

≥ 50%70.0% strong30–50%40.0% moderate15–30%20.0% gap< 15%5.0% minimal