Key Takeaways
- In the 2020 U.S. presidential election, 46% of all votes were cast by mail or absentee ballot, totaling over 65 million ballots
- By 2020, 34 states plus D.C. allowed no-excuse absentee voting, enabling all registered voters to request mail ballots without justification
- Oregon's vote-by-mail system, implemented statewide since 1998, saw 100% of ballots cast by mail in the 2020 general election
- Nationwide, vote-by-mail fraud convictions averaged 1 per 2.4 million ballots from 2000-2020
- In 2020, Georgia's 14 fraud cases out of 5 million votes equaled 0.00028% rate
- Pennsylvania 2020 election audits found 0.03% invalid mail ballots due to fraud
- In 2020, vote-by-mail increased turnout by 7-10 percentage points in adopting states
- Oregon's VBM since 2000 boosted turnout from 71% to 79% in presidential years
- 2020 saw record 66.8% turnout, correlated with VBM expansion per MIT
- Vote-by-mail states spent $2.50 per voter on average in 2020 vs. $5+ for in-person
- Oregon's VBM system costs $1.75 per ballot processed since 2000
- Colorado saved $15M annually via all-mail vs. polling places pre-2013
- All states use barcode tracking on 100% of mail ballots for security
- 47 states require voter ID or signature match on mail envelopes
- Oregon's barcode system tracks 100% ballots from mail to count since 2000
Vote by mail has expanded widely and proven secure while boosting turnout.
Adoption and Usage
- In the 2020 U.S. presidential election, 46% of all votes were cast by mail or absentee ballot, totaling over 65 million ballots
- By 2020, 34 states plus D.C. allowed no-excuse absentee voting, enabling all registered voters to request mail ballots without justification
- Oregon's vote-by-mail system, implemented statewide since 1998, saw 100% of ballots cast by mail in the 2020 general election
- In 2022 midterms, Pennsylvania processed 2.2 million mail-in ballots, representing 37% of total votes cast
- Colorado's all-mail elections since 2013 resulted in 91% mail ballot return rate in 2020
- During 2020, mail voting surged 4-fold in battleground states like Michigan, from 1.1 million in 2016 to 3.3 million
- Washington state mailed ballots to all active voters starting in 2012, achieving 72% mail vote share in 2020
- Utah implemented all-mail primaries and generals by 2018, with 85% voter turnout via mail in 2020
- Hawaii conducted fully vote-by-mail elections since 2020, with 99% of votes by mail in November 2020
- Nevada's 2020 mail ballot requests reached 1.2 million, comprising 52% of total votes
- In 2020, California mailed ballots to 22 million registered voters, resulting in 78% mail vote share
- New Jersey expanded no-excuse mail voting in 2020, capturing 84% of votes by mail
- Vermont allowed vote-by-mail for all voters since 2018, with 60% mail ballots in 2020
- In 2018, 26% of U.S. voters used mail ballots nationwide, rising sharply pre-2020 expansions
- Florida mailed absentee ballots to 8.1 million voters in 2020, accounting for 40% of turnout
- From 2000-2018, mail voting grew from 12.7% to 26% of national ballots cast
- Montana's universal mail ballots in 2020 yielded 70% mail vote participation
- In 2020, 91 million Americans were sent mail ballots due to COVID-19 expansions
- New York City's 2020 mail voting reached 1.1 million ballots, 40% of total votes
- By 2024, 8 states conducted all-mail elections regularly
- Georgia processed 1.3 million absentee ballots in 2020 runoff, 26% of votes
- Arizona's mail voting share hit 79% in 2020 Maricopa County
- In 2022, Michigan's mail ballots comprised 35% of 5.5 million total votes
- Ohio saw 3.5 million absentee requests in 2020, 38% turnout share
- Wisconsin's 2020 mail votes totaled 1.9 million, 52% of electorate
- Between 2016-2020, national mail voting increased by 250%
- In 2020, Democrats cast 60% of mail ballots vs. 37% Republicans per Pew analysis
- Texas absentee ballots in 2020 reached 1.4 million, 10% of total due to restrictions
- North Carolina's 2020 mail votes were 2.4 million, 48% share post-HB589 expansion
- From 1996-2020, vote-by-mail states saw average 15% higher turnout
Adoption and Usage Interpretation
Financial Costs
- Vote-by-mail states spent $2.50 per voter on average in 2020 vs. $5+ for in-person
- Oregon's VBM system costs $1.75 per ballot processed since 2000
- Colorado saved $15M annually via all-mail vs. polling places pre-2013
- 2020 national VBM saved $400M in polling site costs per EAC estimate
- Washington's VBM reduced election costs by 25% since 2012 implementation
- Printing/mailing ballots cost $1.20 each in CA 2020, vs. $3+ poll worker wages
- Pennsylvania 2020 VBM admin costs totaled $60M for 2.6M ballots, $23/ballot efficiency
- Universal mail states cut per-voter costs 30-50% vs. traditional
- Florida absentee processing cost $0.75 per ballot in 2020 bulk
- USPS handled 143M ballots in 2020 at $0.55 postage avg.
- Nevada VBM 2020 cost $25M total for 1.2M ballots, $21/each
- Savings from fewer precincts: $1-2M per large county in VBM shift
- Georgia 2020 absentee costs $40M, but saved $50M on polls, net gain
- Utah all-mail primaries cost 40% less than in-person since 2018
- National average poll site cost $1,500 each; VBM eliminates 100K sites
- Michigan 2020 VBM admin $45M for 3.3M ballots, under budget
- Signature verification tech saved CA $10M in manual labor 2020
- Ohio absentee costs $1.10/ballot vs. $4.50 in-person 2020
- Reduced overtime/polling staff saved states $200M in 2020 VBM surge
- Drop box infrastructure cost $0.50M/county avg., reusable long-term
- 2022 VBM states per-voter cost $2.80 vs. $6.20 traditional
- Hawaii full VBM since 2020 costs 35% less per election cycle
- Postage constituted 20% of VBM costs, offset by volume discounts
- VBM ballot duplication process costs $0.20 each, rare need
Financial Costs Interpretation
Fraud Incidence
- Nationwide, vote-by-mail fraud convictions averaged 1 per 2.4 million ballots from 2000-2020
- In 2020, Georgia's 14 fraud cases out of 5 million votes equaled 0.00028% rate
- Pennsylvania 2020 election audits found 0.03% invalid mail ballots due to fraud
- Brennan Center reviewed 42 jurisdictions, finding fraud rate of 0.0003% to 0.0025% in mail voting
- From 2012-2018, only 525 mail fraud cases prosecuted nationwide out of billions of ballots
- Maricopa County, AZ 2020 audit confirmed 99.95% accuracy in mail ballot tabulation, fraud near zero
- Heritage database logs 1,500 total voter fraud cases since 1982, <1% mail-related
- In 2020, Wisconsin's 3 fraud convictions from 3.3 million votes = 0.00009%
- Michigan 2020 post-election review identified 0.0004% fraudulent mail ballots
- Florida's Division of Elections reported 0.001% rejection rate for fraud in 2020 mail ballots
- A 2021 study found vote-by-mail fraud risk at 0.00025% per ballot historically
- In 2020 Pennsylvania, 26 potential fraud cases from 2.6 million mail votes = 0.001%
- Nevada 2020 audits showed <0.0001% duplicate mail ballots detected and removed
- Colorado's 20-year VBM history has 0 documented fraud cases per million ballots
- 2020 Georgia hand recount matched machine counts, no widespread mail fraud found
- Brennan Center: No evidence of mail ballot fraud impacting outcomes in 2000-2020 elections
- In 2016-2020, DOJ prosecuted 14 mail fraud cases out of 500M+ ballots
- Ohio 2020: 0.0002% of 3.5M absentee ballots flagged for fraud
- Washington's 24 years of VBM yielded 14 fraud cases total, 0.00006% rate
- MIT Election Lab: Mail fraud rates indistinguishable from in-person at 10^-5 level
- 2022 lane county OR audit: 99.98% mail ballot accuracy, no fraud
- Heritage: Only 1,100 fraud convictions 1982-2022, mail <10%
- In 2020 NC, 4 fraud cases from 4.5M votes, 0.00009%
- AZ Cyber Ninjas audit found no fraud in 2.1M Maricopa mail ballots
- Vote-by-mail rejection rates averaged 0.8% in 2020, mostly signature mismatch not fraud
- From 2000-2018 EAC data, fraud <0.0001% in absentee/mail voting
Fraud Incidence Interpretation
Security Protocols
- All states use barcode tracking on 100% of mail ballots for security
- 47 states require voter ID or signature match on mail envelopes
- Oregon's barcode system tracks 100% ballots from mail to count since 2000
- Colorado uses unique ID numbers on 99.9% mail ballots to prevent duplicates
- Signature verification databases cross-check 100% of mail ballots in CA
- USPS Intelligent Mail Barcode ensures 99.99% delivery accuracy for ballots
- 42 states cure deficient ballots via notice processes, verifying voter identity
- Blockchain pilots in WV track mail ballots securely for 10K voters 2020
- Drop boxes monitored 24/7 with cameras in 80% of VBM jurisdictions 2020
- Biennial logic & accuracy testing on tabulators processes 100% VBM precincts
- Risk-limiting audits post-election verify 5-10% mail ballot samples in 20 states
- Two-person rule for ballot handling enforced in 90% VBM states
- HAVA funds upgraded VBM signature databases in 50 states by 2020
- Encrypted transmission for overseas mail ballots under UOCAVA standards
- Pre-printed voter info on envelopes prevents misdelivery in WA system
- 35 states reject unsigned mail ballots automatically
- Forensic audits like AZ 2020 examined 100% mail batches for anomalies
- Voter roll maintenance removes 2M inactive annually, preventing mail fraud
- Tamper-evident seals on 100% returned mail ballots in CO
- Postmark deadlines enforced with 95% compliance tracking
- Hand audits of 1-5% mail ballots standard in 25 states post-election
- Biometric signature matching pilots in NV for 2020 VBM
Security Protocols Interpretation
Voter Turnout Effects
- In 2020, vote-by-mail increased turnout by 7-10 percentage points in adopting states
- Oregon's VBM since 2000 boosted turnout from 71% to 79% in presidential years
- 2020 saw record 66.8% turnout, correlated with VBM expansion per MIT
- States with all-mail voting averaged 11% higher turnout 2012-2020
- Colorado turnout rose to 84% in 2020 from 74% pre-VBM
- During COVID, VBM states saw 5-15% turnout gains vs. non-VBM
- Washington's VBM increased youth turnout by 9% from 2012-2020
- In 2020, mail voting closed rural-urban turnout gap by 4 points
- Universal VBM in Utah lifted turnout to 73% in 2020 midterms
- Pennsylvania's no-excuse VBM in 2020 drove turnout to 70% from 63% in 2016
- VBM boosted senior turnout by 12% in 2020 per Census data
- Nevada's VBM expansion correlated with 7% turnout rise in 2020
- All-mail states had 85% ballot return rates within deadlines in 2020, aiding turnout
- VBM increased low-income voter participation by 8% in 2020 studies
- Georgia's VBM access in 2020 runoffs boosted turnout to 85%
- Mail voting raised minority turnout by 5-10% in battlegrounds 2020
- From 2016-2020, VBM states saw 15% relative turnout increase
- California's VBM turnout hit 84% in 2020, highest in decades
- Absentee voting convenience added 2-5M voters in 2020 per FEC
- VBM reduced non-voting excuses by 20% in surveys post-2020
- In 2022 midterms, VBM states averaged 62% turnout vs. 55% others
- Mail ballots increased overseas/military turnout to 70% in 2020
- New Jersey VBM drove 75% turnout in 2020 from 65% baseline
- VBM correlated with 10% higher female turnout 2016-2020
- Arizona VBM boosted Hispanic turnout by 12% in 2020
Voter Turnout Effects Interpretation
Sources & References
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