How Many People Die From Kidney Disease Every Day
Chronic kidney disease kills around 3,800 people a day and affects roughly 850 million. Why it stays hidden, who it kills, and how to catch it early.
Picture a dialysis unit on a Tuesday morning in almost any city in the world. Rows of reclining chairs, each one with a person attached by two lines to a machine about the size of a fridge. The machines hum and click. Blood leaves the body, passes through a filter, and comes back clean. Four hours later the patients unhook, go home, and come back on Thursday to do it again. And on Saturday. For the rest of their lives, or until a donor kidney comes along.
Most of the people in those chairs did not feel ill until very late. That is the cruel trick of kidney disease. Your kidneys can lose more than half their working capacity before you notice anything at all. By the time symptoms arrive, the damage is often permanent.
The people in that unit are, in a sense, the lucky ones. They have a machine. Across much of the world, a person whose kidneys fail simply dies within days or weeks, because dialysis is not available or not affordable.
The headline number
Chronic kidney disease (CKD) kills roughly 1.4 million people a year worldwide, according to the Global Burden of Disease study and the World Health Organization's global health estimates, which now list kidney disease among the ten leading causes of death on earth. That is about 3,800 deaths every day.
To see how that fits into the bigger picture, watch the total ticking upward on our live death counter.
| Time period | Kidney disease deaths (approx.) |
|---|---|
| Per second | 0.04 |
| Per minute | 2.7 |
| Per hour | 160 |
| Per day | 3,800 |
| Per week | 27,000 |
| Per month | 117,000 |
| Per year | 1,400,000 |
That figure only counts people whose death is recorded as caused directly by kidney disease. It does not count the far larger group who die of heart attacks and strokes that their failing kidneys helped cause. The Global Burden of Disease researchers estimated that, on top of the deaths from CKD itself, impaired kidney function contributed to more than a million additional cardiovascular deaths a year. Counted that way, kidneys are involved in well over 2 million deaths annually.
A silent disease affecting 850 million people
The International Society of Nephrology estimates that around 850 million people live with some form of kidney disease. That is more than the number of people living with diabetes, and roughly one adult in every ten on the planet.
Most of them do not know. In the early stages there is no pain, no tiredness, nothing to notice. Doctors stage CKD using a blood test called eGFR (estimated glomerular filtration rate), which measures how much blood the kidneys filter each minute.
| Stage | eGFR (ml/min) | What it means |
|---|---|---|
| G1 | 90 or more | Normal filtering, but other signs of kidney damage (such as protein in urine) |
| G2 | 60 to 89 | Mildly reduced function, usually no symptoms |
| G3a | 45 to 59 | Mild to moderate loss of function |
| G3b | 30 to 44 | Moderate to severe loss; symptoms may begin |
| G4 | 15 to 29 | Severe loss; planning for dialysis or transplant starts |
| G5 | Under 15 | Kidney failure; dialysis or transplant needed to survive |
Symptoms such as swollen ankles, breathlessness, itching, poor sleep, nausea and needing to pee at night tend to appear only in stages 4 and 5. By then, most of the lost function cannot be recovered. That is why kidney disease is often caught by accident, during a routine blood test for something else.
The two engines behind kidney failure
Kidney disease is rarely a disease on its own. In most cases it is the downstream consequence of two other conditions that are themselves among the biggest killers on earth.
| Cause | Rough share of kidney failure cases in high-income countries |
|---|---|
| Diabetes | Around 30% to 45% |
| High blood pressure | Around 20% to 30% |
| Glomerulonephritis (inflammation of the filters) | Around 10% |
| Inherited conditions such as polycystic kidney disease | Around 5% to 10% |
| Other and unknown causes | The remainder |
Diabetes damages the tiny blood vessels inside the kidney's filtering units. High blood pressure batters them from the other side. Each condition makes the other worse, and kidney damage itself drives blood pressure up, creating a loop that is hard to escape. If you want to understand why kidney deaths keep rising, look at how diabetes quietly became one of the top 10 killers and how many people die from high blood pressure every day. Kidney disease sits at the end of both stories. You can also follow diabetes on its own cause page.
Rising while others fall
Many of the big killers on this site have been falling for decades once you adjust for ageing populations. Kidney disease has not.
| Measure | Direction since 1990 |
|---|---|
| Total kidney disease deaths | More than doubled |
| Number of people living with CKD | Up by around a third or more |
| Age-standardised death rate | Roughly flat, not falling like heart disease |
| Rank among global causes of death | Climbed from outside the top 15 into the top 10 |
Researchers writing in The Lancet projected that CKD could become the fifth leading cause of years of life lost worldwide by 2040. The reasons are not mysterious: more people with diabetes, more obesity, more uncontrolled blood pressure, and populations living long enough for slow damage to catch up with them. We track which causes are climbing and which are shrinking on our trending causes of death page. Every kidney death is one of the roughly two people who die each second on our live death counter, and one in every 44 of them now involves kidneys that have stopped working.
Where kidney disease kills most
Kidney death rates are highest in two very different kinds of place.
The first is countries with very high rates of diabetes and limited access to long-term care. Parts of Central America, the Middle East, the Pacific Islands and Southeast Asia all report heavy kidney disease burdens. Mexico, with one of the highest diabetes rates in the world, has long had one of the highest kidney disease death rates too.
The second is more puzzling. Along the Pacific coast of Central America, in countries such as El Salvador and Nicaragua, tens of thousands of young and middle-aged men have died from a form of kidney failure that has nothing to do with diabetes or blood pressure. It is known as Mesoamerican nephropathy or CKDu (CKD of unknown cause). It mostly affects agricultural workers, especially sugarcane cutters, and researchers suspect repeated heat stress and dehydration during heavy outdoor labour play a major role, possibly alongside agricultural chemicals. Similar clusters have been found among farm workers in Sri Lanka and India.
| Pattern | Typical regions | Main drivers |
|---|---|---|
| Diabetes-driven CKD | Mexico, Gulf states, Pacific Islands, South Asia | Type 2 diabetes, obesity |
| Hypertension-driven CKD | Sub-Saharan Africa, Eastern Europe | Uncontrolled high blood pressure |
| CKD of unknown cause | Central America's Pacific coast, Sri Lanka, parts of India | Heat stress, dehydration, possibly agrochemicals |
| Ageing-driven CKD | Japan, Western Europe, North America | Long lives, accumulated damage, good recording |
The dialysis gap
Here is the number that should trouble anyone who reads it. A study in The Lancet estimated that in 2010, around 2.6 million people worldwide received dialysis or a kidney transplant, but that somewhere between 4.9 and 9.7 million people needed one. That means at least 2.3 million people a year may die prematurely because they cannot get treatment that is routine in rich countries.
| Setting | What kidney failure usually means |
|---|---|
| UK, Western Europe, North America, Japan | Dialysis is available to almost everyone who needs it; many get transplants |
| Upper middle income countries | Dialysis often available in cities, sometimes rationed |
| Low income countries | Dialysis rare and usually paid for by families; many die within weeks |
Dialysis is expensive. In the UK it costs the NHS tens of thousands of pounds per patient per year. In countries where families must pay themselves, a household can be bankrupted within months, and many stop treatment when the money runs out. Africa, home to around a fifth of the world's population, has only a tiny fraction of its dialysis machines.
Transplants are cheaper over the long run and give a far better quality of life, but they depend on donors. In the UK, around 5,000 people are waiting for a kidney at any one time, and a few hundred die each year while still on the list.
Who it kills: mostly older adults
Kidney disease deaths are heavily concentrated in later life, because the damage builds slowly over decades.
| Age group | Share of kidney disease deaths (approx.) |
|---|---|
| Under 50 | Around 15% |
| 50 to 69 | Around 30% |
| 70 and over | Around 55% |
Kidney function naturally declines a little with age, so a 75-year-old with stage 3 CKD is very common and often not in serious danger. But when diabetes and high blood pressure are added, the decline speeds up. Explore how mortality shifts across the decades on our age group pages, or see the full picture in death rate by age group.
How to protect your kidneys
The good news is that most kidney disease is preventable or can be slowed dramatically if it is caught early. Newer drugs called SGLT2 inhibitors, first developed for diabetes, have been shown in large trials to slow the decline of kidney function and reduce deaths in people with CKD, with or without diabetes.
| Step | Why it matters |
|---|---|
| Know your blood pressure | High blood pressure is the most controllable driver of kidney damage |
| Get tested if you have diabetes | A yearly eGFR blood test and urine protein test (ACR) catch damage early |
| Keep blood sugar in range | Diabetic kidney disease is largely preventable with good control |
| Cut salt | Lower sodium lowers blood pressure and protein leakage |
| Do not smoke | Smoking narrows the blood vessels that feed the kidneys |
| Be careful with painkillers | Regular, long-term use of NSAIDs such as ibuprofen can damage kidneys |
| Stay hydrated in heat | Especially for outdoor and manual workers |
Salt deserves its own mention: the average adult eats roughly double the World Health Organization's recommended limit, and the knock-on effects reach the heart, the brain and the kidneys. We look at the scale of that problem in how many people die from eating too much salt.
If you want to see how lifestyle factors like these shift your own odds, try our risk calculator, or compare kidney disease with other killers using the cause comparison tool.
Why kidney disease gets so little attention
Kidney disease has no ribbon colour most people recognise. It does not have the public profile of cancer or heart disease, even though it kills more people each year than breast cancer and prostate cancer combined. Part of the reason is that it so often travels under another name. A death certificate might say "heart failure" or "diabetes" when failing kidneys were doing much of the damage.
The other reason is that it is slow. There is no sudden collapse, no dramatic emergency. Just a number on a blood test that drifts downward year after year, often unnoticed, until the day a doctor starts talking about dialysis.
That slowness is also the opportunity. A simple blood test and urine test, done regularly for people with diabetes or high blood pressure, can spot damage years before it becomes dangerous. Few major causes of death give us that much warning.
While you were reading
It takes about 12 minutes to read this article. In that time, roughly 32 people around the world died from kidney disease, and around 1,400 people died from all causes combined. Many of those kidney deaths happened in places where a dialysis machine could have kept them alive for years.
Watch the global total continue to climb on our live death counter, and see today's running numbers on the deaths today page.
Sources: Global Burden of Disease Study (IHME), WHO Global Health Estimates, International Society of Nephrology, Liyanage et al. in The Lancet (2015) on access to kidney replacement therapy, Foreman et al. in The Lancet (2018) on forecasts to 2040, NHS Blood and Transplant. All figures are rounded estimates. Death counts vary between sources depending on how kidney disease is coded on death certificates. This article is for information only and is not medical advice. If you are worried about your kidneys, speak to your GP or doctor about a blood and urine test.
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