Drowning Costs the UK Nearly a Billion Pounds Every Year, Study Finds

Drowning kills hundreds of people in the United Kingdom every year, but the true scale of the tragedy has long been hidden behind a single, deceptively small number. Now, for the first time, researchers have translated those deaths into a measure that captures what is really lost: not just lives, but decades of unlived years and the economic value attached to them. The verdict is stark. In 2023 alone, water-related fatalities stripped the UK of more than 15,500 years of human life, a burden the study values at roughly £933 million — approaching one billion pounds in a single year.

The analysis, published in Public Health in Practice, was conducted by Michael J. Tipton of the University of Portsmouth and colleagues, including Carlene McAvoy, Paddy Morgan and Martin J. Barwood. Rather than simply counting deaths, the team adopted a framework borrowed from the Global Burden of Disease project: Years of Life Lost, or YLL. This metric weights each death by how much longer the person could have been expected to live had they not died prematurely. Because drowning disproportionately claims the young, a raw death toll dramatically understates its impact. A drowning at twenty erases more than sixty potential years; a death at eighty-five erases only a handful. YLL makes that asymmetry visible.

To build the picture, the researchers turned to the UK’s Water Incident Database, known as WAID, the country’s primary repository for drowning fatalities and one that has been independently validated as meeting the World Health Organization’s data quality requirements. They focused on 2023, the most recent comprehensive and audited year of data, and checked that it was representative: fatalities classified as suspected accidents and suspected suicides — the majority of database entries — fell within one standard deviation of the preceding three-year average. Population figures and sex-specific life expectancy tables came from the Office for National Statistics, using three-year rolling averages for 2022 to 2024.

The method itself was straightforward but demanding. Each fatality was assigned to a ten-year age band, the midpoint of that band was subtracted from the sex-specific national life expectancy of the relevant home nation, and the result was multiplied by the number of deaths in that group. Calculations were performed separately for England, Scotland, Wales and Northern Ireland, then aggregated to a UK total. To convert the loss of years into money, the team applied the UK Treasury’s Green Book valuation, which sets the monetary value of a statistical life year at £60,000 — the standard figure used across UK public health economics to weigh the benefits of preventive interventions.

The results reveal the anatomy of the burden. Accidental drownings accounted for 7,755 years of life lost, worth £465 million; suspected suicides contributed 4,867 years, valued at £292 million; deaths classified as inconclusive added 2,829 years and £170 million; and water-related deaths from crime contributed a further 106 years. England bore by far the largest share, with 11,575 years lost and an economic burden of £694 million, followed by Scotland at £113 million, Wales at £96 million and Northern Ireland at £30 million. The differences between nations reflect both the number of fatalities and variations in local life expectancy.

Perhaps the most provocative finding is what the comparison implies. Conditions that dominate headlines and health budgets, judged by death counts, may in fact steal fewer years of life than drowning, a cause of death the public rarely ranks among urgent priorities. Globally, the picture is similar: burden-of-disease analyses rank drowning as the second-largest contributor to years of life lost from unintentional injuries, behind only road traffic injuries. In the UK, at least 659 people died by drowning or water-related fatality in 2023, a typical annual figure, with 5,051 lives lost between 2012 and 2019 — most from accidents, and roughly a third from suicide.

The study is also among the first to quantify the financial weight of intentional drowning. This is a growing concern internationally, with rescue agencies increasingly called to respond to people threatening self-harm in water. The authors note that the causes of intentional drowning likely differ from those of accidental drowning, demanding distinct prevention strategies, and that the psychological toll on rescuers who attend such incidents is significant. Suicide-related drowning alone costs the UK an estimated £292 million each year in lost life years — a figure that reframes water safety as a mental health issue as much as a recreational one.

Climate change threatens to make the problem worse. As an island nation threaded with thousands of miles of inland and coastal waterways, the UK already offers abundant exposure to open water, and warming temperatures are expanding both the opportunities and the temptations. Previous UK research using national fatality data found that each 1°C rise in ambient temperature above 15°C increases drowning frequency by 7.2 percent — a figure that climbs to 22 percent when alcohol intoxication is suspected. Drowning fatalities are three to seven times higher on days exceeding 25°C than on days that never reach 10°C. With heatwaves and flooding both projected to intensify, the authors call for disaster risk management policies and national weather alert systems explicitly linked to drowning risk.

The £933 million figure is, if anything, an underestimate. The analysis covers only fatal drownings, because the UK lacks a robust national dataset on non-fatal incidents and their long-term consequences. Evidence from Australia suggests the relationship between fatal drownings and drowning-related hospitalisations is roughly one to 2.71, meaning the true burden of disability and morbidity is far larger than deaths alone suggest. A study of critical care admissions in South-West England over eleven years recorded 49 drowning admissions, of which about 35 percent died, 20 percent had ongoing care needs, and three patients required full-time care for daily living — with lifetime care costs for those three alone estimated at £6.4 million, on top of pre-hospital costs of £51,716 and hospital costs of £317,373. Search, rescue and treatment costs were excluded from the national calculation for lack of comprehensive data, but are likely to be substantial.

The economic case for action is compelling. The World Health Organization estimates that increased investment in drowning prevention could save 774,000 children’s lives worldwide, prevent nearly one million non-fatal drownings and avert more than 400 billion US dollars in economic losses by 2050 — with an estimated return of nine dollars for every dollar invested. The researchers argue that prevention requires senior political representation, better data to target interventions, curriculum-based water safety education covering rescue and resuscitation skills, engineered barriers at high-risk locations, legislation regulating alcohol consumption near water, and a well-resourced National Water Safety Forum. Drowning, they conclude, is a largely preventable cause of death whose personal, social and financial burden can be reduced with wide-ranging benefits — and the nearly one billion pound annual price tag makes the case impossible to ignore.

Subject of Research: The years of life lost and economic costs of unintentional and intentional drowning in the United Kingdom

Article Title: Quantifying the costs of unintentional and intentional drowning in the United Kingdom: A secondary data analysis study

Article References: Tipton, M. J., McAvoy, C., Morgan, P., & Barwood, M. J. (2026). Quantifying the costs of unintentional and intentional drowning in the United Kingdom: A secondary data analysis study. Public Health in Practice, 12, Article 100866. https://doi.org/10.1016/j.puhip.2026.100866

Image Credits: AI Generated

DOI: 10.1016/j.puhip.2026.100866

Keywords: drowning, years of life lost, public health, United Kingdom, suicide prevention, water safety, economic burden, climate change, WAID, injury prevention, life expectancy, drowning prevention