ArticleThe Lancet regional health. Europe2026
Burden of Dementia in Europe, 1990-2023: a systematic analysis from the Global Burden of Disease Study 2023.
Article in The Lancet regional health. Europe, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Dementia is a leading cause of disability and mortality in Europe, yet no recent harmonised assessment has described its impact across the European Union (EU-27) and the WHO European Region. Methods: We used data from the Global Burden of Disease Study 2023 (GBD 2023) to estimate prevalence, mortality, and disability-adjusted life years (DALYs) for dementia from 1990 to 2023. Estimates were produced for the EU-27 and the WHO European Region, by age and sex. Non-fatal outcomes were modelled using DisMod-MR 2.1, and dementia-attributable mortality was estimated using an excess-mortality framework. We also quantified DALYs attributable to six modifiable risk factors. Findings: In 2023, 7.76 million people (95% UI 6.69-8.72) were living with dementia in the EU-27 and 12.28 million (10.44-13.90) in the WHO European Region, representing ∼90% increases since 1990 despite modest declines in age-standardised prevalence. Prevalence was nearly twice as high in women as in men. Dementia rose from the eighth to the third leading cause of death in the EU-27. Dementia accounted for 5.49 million DALYs (2.44-11.41) in the EU-27. An estimated 41% (24.4-57.4) of dementia DALYs in the EU-27 were attributable to modifiable risk factors, particularly ambient particulate matter pollution, high fasting plasma glucose, and high body-mass index, which are disproportionately concentrated in socioeconomically disadvantaged populations. Interpretation: Despite modest declines in age-standardised rates, the absolute burden of dementia in Europe continues to rise, driven by population ageing. The substantial contribution of modifiable risk factors highlights major opportunities for prevention. Robust, country-specific estimates are essential to guide integrated strategies combining prevention and care planning. Funding: Regione Puglia and CNR for Tecnopolo per la Medicina di Precisione; Regione Puglia for the national "Fund for Alzheimer's and Dementia 2021-2023" (Piano Regionale Demenze 2021/2023).
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