We bank, file taxes, see doctors and sign contracts from our phones. Yet in most democracies, the single most important civic act still means queuing at a school hall with a paper slip and a pencil.
Digital voting, done well, can change that. The evidence from countries that have tried it points to elections that are easier to reach, faster to count and open to people who are too often left out. This post makes the case, with links throughout so you can check the evidence yourself.
Estonia proves it can work at national scale
Estonia has offered internet voting, or "i-voting", in every election since 2005, when it became the first nation to hold legally binding elections online. Voters sign in with their national ID card or Mobile-ID and can vote at any hour during the advance-voting week.
In the 2023 parliamentary election, i-voting crossed a historic line. According to Estonian public broadcaster ERR, 313,514 people voted online against 301,495 on paper, just over 51% of all ballots. Semafor called it apparently the world's first mostly online national election, and the official estonia.ee site notes that overall voter numbers hit a record too.
Estonia's election office publishes detailed i-voting statistics for every election. Two safeguards stand out: voters can re-vote online as many times as they like, with only the last vote counting, and a paper ballot cast later always overrides an online one. Both make it much harder to coerce or buy a vote.
It brings in voters the polling station leaves out
A polling station is a barrier for millions of people. A Pew analysis of a US Election Assistance Commission study found that 30% of voters with disabilities had trouble voting at their polling place in 2012, against 8% of other voters. The Center for Civic Design counts over 40 million eligible US voters with disabilities and works on accessible remote ballot-marking tools.
Digital voting lets people use the screen readers, magnifiers and switches they already rely on, at home and without help. Estonia's former election chief told Microsoft's EU policy blog that i-voting helps voters with disabilities, and is close to the only practical option for citizens living or travelling abroad.
Distance matters too. Research from the University of Tartu shows that once reaching a polling station takes more than about 30 minutes, voters become more likely to vote online. Digital voting shrinks that gap for rural voters, shift workers and carers.
One caution belongs here: the EAC and Rutgers study on disability and the digital divide found people with disabilities are less likely to have internet access. Digital voting should be an added channel, never a replacement for accessible in-person and postal options.
Voting takes 90 seconds, not an afternoon
Convenience is the most-cited reason people vote online. Analysis of Estonia's anonymised log files, summarised by University of Tartu researchers, found an online vote takes about 1.5 minutes on average, and paper voting far longer. An EU case study puts the cumulative saving at 11,000 working days in Estonia's 2011 parliamentary election alone.
Canada is the other big laboratory. Hundreds of Ontario municipalities now offer online ballots, and Brock University's Nicole Goodman has called online voting the best available bet for lifting turnout. A 2018 study of Ontario data estimated a 3.5-point turnout gain, and a 2024 review of Canadian research notes evidence from Switzerland, Estonia and Canada that online ballots draw in occasional voters and abstainers.
The honest framing: the effect is real but modest, and technology alone won't fix low turnout. Still, a few points is more than most get-out-the-vote campaigns achieve, and it compounds election after election.
Cheaper, faster and more accurate to run
Once the system is built, each digital vote costs less to process. After Estonia's fourth election with i-voting, officials calculated an online vote cost about half as much as a paper vote. A peer-reviewed paper, "How Much Does an e-Vote Cost?", compares costs per vote across Estonia's voting channels in detail.
Digital ballots also remove whole categories of error. There are no ambiguous pencil marks, no spoiled ballots from overvoting, and no hand-tallying fatigue at 2 a.m. Estonia's 2023 statistics recorded just one invalid i-vote out of more than 312,000. Results come quickly, and voters abroad no longer depend on slow postal ballots that can arrive after the count.
Security you can check, not just trust
The strongest modern systems don't ask voters to take security on faith. They are built for end-to-end verifiability, which researchers describe as letting each voter confirm their own vote was recorded correctly, while anyone can independently check the final tally. Encrypted ballots are posted to a public bulletin board, so tampering becomes detectable without revealing how anyone voted. Vocdoni's plain-English explainer is a good primer.
Switzerland shows what a careful rollout looks like. After researchers found a flaw in the source code in 2019, the government paused trials and rewrote the rules: only fully verifiable systems are now allowed. Swiss Post's rebuilt system has been open to public hacker testing since 2021 and was used in the October 2023 national elections. A YouGov survey for Swiss Post found 78% of Swiss respondents in favour of e-voting alongside existing options.
The lesson: publish the code, invite attackers, make every step verifiable, and expand only as fast as the evidence allows.
What the sceptics say
Any fair case for digital voting has to face its critics, and many of them are serious computer scientists.
Expert bodies remain opposed to internet ballot return. The US National Academies' 2018 report Securing the Vote concluded that no current technology can guarantee the secrecy, security and verifiability of a marked ballot sent over the internet, and recommended human-readable paper ballots.
Past systems have failed review. The Pentagon's SERVE overseas-voting project was dropped in 2004 after four security experts argued its flaws were rooted in the architecture of PCs and the internet itself.
Voters' own devices are the weak link. Malware on a phone or laptop could alter a vote before it is encrypted, and verification only helps if enough voters actually check.
Outages happen. In Ontario's 2018 municipal elections, a vendor slowdown disrupted online voting in about 50 communities.
Trust can split along party lines. In Estonia, ERR reported that some parties' supporters vote online far less than others, and at least one party urges paper voting.
These concerns are why the best programmes keep paper options, publish their code and build in verifiability. Supporters argue the risks are manageable with that design; critics argue they cannot yet be eliminated. Readers should weigh both.
The bottom line
Digital voting is no longer a thought experiment. Estonia has run it for two decades, Switzerland has rebuilt it around verifiability, and Canadian towns use it every election cycle. Done carefully, it widens access, saves voters time, cuts costs and speeds up results.
The path forward is not to scrap paper overnight. It is to add a well-audited digital channel beside existing options, starting with the voters who gain most: citizens abroad, people with disabilities and those far from a polling station. Ask your representatives whether your country is studying it, and what safeguards they would require.
Further reading
Statistics about Internet voting in Estonia (Estonian election office)
E-voting in Switzerland (Swiss Federal Chancellery)
E-voting in Estonia: Technological Diffusion Over Ten Years (Solvak and Vassil, University of Tartu)
Electronic voting: What Europe can learn from Estonia (Microsoft EU Policy Blog)
Estonia election: i-voting comes of age (Euronews)
Disability, the Voting Process, and the Digital Divide (US Election Assistance Commission)
Securing the Vote: Protecting American Democracy (National Academies, the leading critical view)
