European Heatwaves of Summer 2022 Killed 61000
Heat-related Mortality in Europe During the Summer of 2022
Published: 2023/07/10 - Updated: 2023/09/28
Author: Barcelona Institute for Global Health (ISGlobal) - Contact: isglobal.org/en/
Peer-Reviewed: Yes - Publication Type: Data/Statistical Analysis
Related Papers: Latest - Complete List
Synopsis: An epidemiological analysis estimates that 63% more women than men died due to heat in the European summer of 2022, with the highest incidence in the Mediterranean region. Europe is the continent experiencing the greatest warming, up to 1°C more than the global average. Estimates by the research team suggest that, in the absence of an effective adaptive response, the continent will face an average of more than 68,000 premature deaths each summer by 2030 and more than 94,000 by 2040. The research team obtained temperature and mortality data for the period 2015-2022 for 823 regions in 35 European countries, whose total population represents more than 543 million people.
"Heat-related Mortality in Europe During the Summer of 2022" - Nature Medicine.
The summer of 2022 was the hottest summer ever recorded in Europe and was characterised by an intense series of record-breaking heat waves, droughts and forest fires. While Eurostat, the European statistical office, already reported unusually high excess mortality for those dates, until now the fraction of mortality attributable to heat had not been quantified. This is precisely what has been done in a study led by the Barcelona Institute for Global Health (ISGlobal), a centre supported by the "la Caixa" Foundation, in collaboration with the French National Institute of Health (Inserm). The analysis, published in Nature Medicine, estimates 61,672 heat-attributable deaths between 30 May and 4 September 2022.
The research team obtained temperature and mortality data for the period 2015-2022 for 823 regions in 35 European countries, whose total population represents more than 543 million people. These data were used to estimate epidemiological models and predict temperature-attributable mortality for each region and week of the summer period.
The summer of 2022 was a season of unrelenting heat. Records show that temperatures were warmer-than-average during every week of the summer period. The highest temperature anomalies were recorded during the hottest month, from mid-July to mid-August. This coincidence magnified, according to the researchers, heat-related mortality, causing 38,881 deaths between 11 July and 14 August. Within that period of just over a month there was an intense pan-European heatwave between 18 and 24 July, to which a total of 11,637 deaths are attributed.
Most Affected Countries
In absolute terms, the country with the highest number of heat-attributable deaths over the entire summer of 2022 was Italy, with a total of 18,010 deaths, followed by Spain (11,324) and Germany (8,173).
If the data is ordered by heat-related mortality rate, the top country is Italy, with 295 deaths per million, followed by Greece (280), Spain (237) and Portugal (211). The European average was estimated at 114 deaths per million.
On the other hand, looking only at temperature anomalies, the country with warmest value was France, with +2.43°C above the average values for the period 1991-2020, followed by Switzerland (+2.30°C), Italy (+2.28°C), Hungary (+2.13°C) and Spain (+2.11°C).
Table 1. The 10 European countries with the highest mortality rate (deaths per million) attributable to heat in summer 2022.
|United Kingdom||3,469||Not Available||Not Available|
Table 2. Top 10 European countries with the highest number of heat-attributable deaths in summer 2022.
63% Higher Mortality in Women
The study included an analysis by age and sex, showing a very marked increase in mortality in the older age groups, and especially in women. Thus, it is estimated that there were 4,822 deaths among those under 65, 9,226 deaths among those between 65 and 79, and 36,848 deaths among those over 79.
In terms of gender analysis, the data show that heat-attributable mortality was 63% higher in women than in men, with a total of 35,406 premature deaths (145 deaths per million), compared to an estimated 21,667 deaths in men (93 deaths per million). This greater vulnerability of women to heat is observed in the population as a whole and, above all, in those over 80 years of age, where the mortality rate is 27% higher than that of men. In contrast, the male mortality rate is 41% higher in those under 65, and 13% higher in those aged 65-79.
Lessons From The 2003 Heatwave
To date, the highest summer mortality in Europe was registered in 2003, when over 70,000 excess deaths were recorded.
"The summer of 2003 was an exceptionally rare phenomenon, even when taking into account the anthropogenic warming observed until then. This exceptional nature highlighted the lack of prevention plans and the fragility of health systems to cope with climate-related emergencies, something that was to some extent addressed in subsequent years", explains Joan Ballester Claramunt, first author of the study and researcher at ISGlobal, who holds a grant from the European Research Council.
"In contrast, the temperatures recorded in the summer of 2022 cannot be considered exceptional, in the sense that they could have been predicted by following the temperature series of previous years, and that they show that warming has accelerated over the last decade," adds Ballester.
"The fact that more than 61,600 people in Europe died of heat stress in the summer of 2022, even though, unlike in 2003, many countries already had active prevention plans in place, suggests that the adaptation strategies currently available may still be insufficient," says Hicham Achebak, researcher at Inserm and ISGlobal and last author of the study. "The acceleration of warming observed over the last ten years underlines the urgent need to reassess and substantially strengthen prevention plans, paying particular attention to the differences between European countries and regions, as well as the age and gender gaps, which currently mark the differences in vulnerability to heat," he adds.
Europe is the continent experiencing the greatest warming, up to 1°C more than the global average. Estimates by the research team suggest that, in the absence of an effective adaptive response, the continent will face an average of more than 68,000 premature deaths each summer by 2030 and more than 94,000 by 2040.
The study has been carried out in the context of the EARLY-ADAPT project funded by the European Research Council, and aimed at studying how populations are adapting to the public health challenges triggered by climate change.
Joan Ballester, Marcos Quijal-Zamorano, Raúl Fernando Méndez Turribiates, Ferran Pegenaute, Xavier Basagaña, Cathryn Tonne, Josep M. Antó, Hicham Achebak. Heat-related mortality in Europe during the summer of 2022. Nature Medicine, 2023. 10.1038/s41591-023-02419-z
The Barcelona Institute for Global Health, ISGlobal, is the fruit of an innovative alliance between the "la Caixa" Foundation and academic and government institutions to contribute to the efforts undertaken by the international community to address the challenges in global health. ISGlobal is a consolidated hub of excellence in research that has grown out of work first started in the world of health care by the Hospital Clínic and the Parc de Salut MAR and in the academic sphere by the University of Barcelona and Pompeu Fabra University. Its working model is based on the generation of scientific knowledge through Research Programmes and Groups, and its translation through the areas of Training and Analysis and Global Development. ISGlobal has been named a Severo Ochoa Centre of Excellence and is a member of the CERCA system of the Generalitat de Catalunya.
Resources That Provide Relevant Related Information
- Health Impact from Climate Change
- Climate Health and People with Disabilities (PWD)
- When Climate Change Becomes a Health Issue
This peer reviewed data/statistical analysis article relating to our Disability and Climate Change section was selected for publishing by the editors of Disabled World due to its likely interest to our disability community readers. Though the content may have been edited for style, clarity, or length, the article "European Heatwaves of Summer 2022 Killed 61000" was originally written by Barcelona Institute for Global Health (ISGlobal), and published by Disabled-World.com on 2023/07/10 (Updated: 2023/09/28). Should you require further information or clarification, Barcelona Institute for Global Health (ISGlobal) can be contacted at isglobal.org/en/. Disabled World makes no warranties or representations in connection therewith.
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Disabled World is an independent disability community founded in 2004 to provide disability news and information to people with disabilities, seniors, their family and/or carers. See our homepage for informative reviews, exclusive stories and how-tos. You can connect with us on social media such as X.com and our Facebook page.
Disabled World provides general information only. The materials presented are never meant to substitute for qualified professional medical care, nor should they be construed as such. Funding is derived from advertisements or referral programs. Any 3rd party offering or advertising does not constitute an endorsement.