The interim study by the Electoral Commission also warned of "concerning" signs that voters with disabilities and people who are unemployed or from particular ethnic groups could be disproportionately affected by the policy.
It also found that 4% of people who did not vote said it was because of voter ID - a tally that could run into hundreds of thousands more.
Additional work on the system used for an entire election for the first time in May - is needed to make sure people are not prevented from voting, the report recommended.
Following this year's Election Act, voters must show one of a small list of photo IDs for every general or parliamentary byelection across the UK, and for local elections in England.
Campaigners have warned that the policy targeted a barely existing problem of voter impersonation.
Denne historien er fra June 23, 2023-utgaven av The Guardian.
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Denne historien er fra June 23, 2023-utgaven av The Guardian.
Start din 7-dagers gratis prøveperiode på Magzter GOLD for å få tilgang til tusenvis av utvalgte premiumhistorier og 9000+ magasiner og aviser.
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