Politicians in Sweden and the UK appear to be increasingly using artificial intelligence (AI) to help write parliamentary texts without disclosing it, according to a new study.
Researchers from Chalmers University of Technology in Sweden and Edinburgh Napier University in the UK analysed 13,565 Swedish parliamentary motions and 4,209 UK parliamentary statements published between 2021 and April 2026 using AI detectors trained to distinguish between human and large language model-generated political writing.
The researchers found that about 15% of UK parliamentary statements analysed in 2026 contained at least one paragraph classified as AI-generated.
In Sweden, 9.4% of motions submitted during the 2025–2026 parliamentary year contained at least one paragraph classified as AI-assisted, equivalent to around 300 motions.
Yet researchers said they found no disclosure of AI use in any of the texts they identified.
