Leading Cause of Death - Top 10 Global ( With Percentage )
by Surya
Updated Mar 17, 2023
Leading Cause of Death
The ten most common causes of death worldwide, based on data and statistics collected by various organizations such as the World Health Organization (WHO) The Top 10 Causes Of Death, the ranking and order of these causes of death can vary by region and country, and can also change over time as healthcare and social factors change. Additionally, some of these causes of death may be preventable or manageable through lifestyle changes, early detection, and access to healthcare. The top 10 Causes Of Death predicted, and According to the World Health Organization (WHO), the top 10 causes of death worldwide are been listed in the below section.
Top 10 Leading Causes of Death Worldwide
Cause of death
Total number of deaths
Percentage of total deaths
Heart disease
696,962
20.6%
Cancer
602,350
17.8%
COVID-19
350,831
10.4%
Accidents (unintentional injuries)
200,955
5.9%
Stroke (cerebrovascular diseases)
160,264
4.7%
Chronic lower respiratory diseases
152,657
4.5%
Alzheimer’s disease
134,242
4%
Diabetes
102,188
3%
Influenze and pneumonia
53,544
1.6%
Nephritis, nephrotic syndrome, and nephrosis (kidney disease)
52,547
1.6%
Causes of Death Globally
The top 10 causes of death account for 55% of deaths worldwide. The leading global causes of death are related to cardiovascular (ischemic heart disease, stroke), respiratory (chronic obstructive pulmonary disease, lower respiratory infections), and neonatal conditions, which encompass birth asphyxia and trauma, neonatal infections and sepsis, and complications arising from preterm birth. The causes of death can be categorized into three groups: communicable (maternal, perinatal, and nutritional conditions, infectious and parasitic diseases), non-communicable (chronic), and injuries.
Top 10 Most Common Cause of Ddeath in the World
Rank 1 - Heart Disease
Heart disease was the leading cause of death, accounting for 20.6% of all deaths, with a total of 696,962 deaths. Heart disease encompasses several conditions that affect the heart and blood vessels, many of which are related to atherosclerosis, a condition where plaque builds up in artery walls, narrowing and stiffening them, and potentially leading to blood clots, stroke, or heart attack. Other potential complications include angina, heart arrhythmias, and heart failure. Prevention of heart disease includes maintaining a healthy weight, exercising regularly, and consuming a nutritious diet.
Rank 2 - Cancer
Cancer accounted for 17.8% of all deaths, with a total of 602,350 deaths. Cancer is a condition that occurs when abnormal or old cells in the body do not die and continue to produce new cells, leading to an overgrowth of cells that can interfere with normal bodily functions. Cancer can develop in any part of the body and may spread to other areas, including organs and lymph nodes.
The two main types of cancer are
Cancers can be classified into two main types: hematologic (blood) cancers and solid tumor cancers. Hematologic cancers affect the blood cells, and examples include leukemia, lymphoma, and multiple myeloma. Solid tumor cancers, on the other hand, involve malignant growths or lumps that affect various organs or tissues in the body. Common types of solid tumor cancers include breast, prostate, lung, and colorectal cancers.
The causes of cancer can be attributed to a variety of factors such as genetic predisposition, lifestyle habits, and exposure to environmental toxins. However, in many cases, the exact cause of cancer remains unknown.
Taking steps to prevent cancer includes engaging in regular exercise, maintaining a healthy diet, and avoiding prolonged sun exposure. Additionally, limiting alcohol intake and quitting smoking are also important preventative measures.
Rank 3 - COVID-19
COVID-19 was one of the leading causes of death, marking the first time a virus caused so many deaths. The disease is caused by a virus called SARS-CoV-2, which is highly contagious and affects various parts of the body, including the respiratory system and lungs.
SARS-CoV-2 can spread in three main ways: inhaling air contaminated with small droplets and particles containing the virus when in close proximity to an infected person; contact with small droplets and particles containing the virus that land on the eyes, nose, or mouth, particularly from coughs and sneezes; and touching the eyes, nose, or mouth with hands that have the virus on them.
COVID-19 symptoms can range from mild to severe, or none at all. Older adults and individuals with preexisting medical conditions are more susceptible to severe illness from the virus. Post-COVID conditions are also a potential concern.
Preventing COVID-19 involves getting vaccinated, wearing masks, and frequently washing hands. Individuals can also minimize their risk by avoiding crowded areas, indoor spaces, and close contact with others.
Rank 4 - Accidents Or Unintentional Injuries
Accidents or unintentional injuries were the fourth leading cause of death, accounting for 5.9% of all deaths. Unintentional falls, motor vehicle accidents, and unintentional poisoning were the most common types of accidents leading to death.
To prevent accidental deaths, communities can adopt strategies and projects that focus on creating walkable communities, providing safe routes to school, and enhancing transportation safety. For older adults, certain programs can help prevent falls by promoting education, home safety, physical activity, and medication management.
Rank 5 - Stroke - Cerebrovascular Diseases
Stroke accounted for 4.7% of all deaths. Stroke is a type of cerebrovascular disease that occurs when the arteries supplying blood to the brain burst, rupture, or become blocked by a clot, depriving the brain of necessary oxygen and causing the death of brain cells.
A healthy lifestyle, including a nutritious diet, regular exercise, and maintaining a moderate weight, can help prevent stroke. Additionally, quitting smoking and reducing alcohol consumption can also reduce the risk of stroke.
Rank 6 - Chronic lower respiratory diseases
Chronic lower respiratory diseases were responsible for 152,657 deaths, accounting for 4.5% of total deaths. These diseases can cause breathing difficulties, chronic cough, and excess sputum production by affecting lung function. Chronic obstructive pulmonary disease, bronchitis, emphysema, asthma, and pulmonary hypertension are some of the chronic lower respiratory diseases. To prevent these diseases, individuals can quit smoking, reduce exposure to allergens and pollutants, and maintain a healthy diet.
Rank 7 - Alzheimer’s disease
Dementia caused 134,242 deaths, accounting for 4% of all deaths. Dementia is a broad term used to describe the gradual loss of cognitive abilities such as memory, language, and problem-solving, which can ultimately impair daily functioning.
Alzheimer's disease is the most common form of dementia and is characterized by a decline in memory, thinking, and behavior that worsens over time. It typically begins with mild memory loss and can eventually lead to an inability to communicate, react to surroundings, and move properly.
To help reduce the risk of developing Alzheimer's disease, individuals can maintain a healthy lifestyle by exercising regularly, consuming a balanced diet, and improving heart health. Additionally, engaging in activities that stimulate the brain, cultivating strong social connections, and getting enough restful sleep can also be beneficial.
Rank 8 - Diabetes
Diabetes was responsible for 102,188 deaths, which accounted for 3% of total deaths. Diabetes is a chronic condition caused by the body's inability to produce or use insulin, a hormone that regulates blood sugar levels. Type 1 diabetes patients need daily insulin injections as they do not produce insulin, and there is no known way to prevent it. Type 2 diabetes patients cannot utilize insulin effectively and usually require medication to manage their blood glucose levels. Eating a balanced diet and exercising regularly are effective measures for preventing and treating type 2 diabetes.
Rank 9 - Influenza And Pneumonia
Influenza caused 53,544 deaths, accounting for 1.6% of total deaths. Influenza is a respiratory infection caused by a virus that affects the nose, throat, and lungs. This infection is a common cause of viral pneumonia, which can also be caused by bacteria or fungi. Pneumonia leads to lung inflammation, causing breathing difficulties. Preventative measures to avoid influenza and pneumonia include quitting smoking, limiting alcohol consumption, and avoiding exposure to chemicals, pollutants, or toxic fumes.
Rank 10 - Nephritis, Nephrotic Syndrome, And Nephrosis - Kidney Disease
Chronic kidney disease resulted in 52,547 deaths, which accounted for 1.6% of total deaths. Chronic kidney disease encompasses conditions that damage the kidneys, leading to decreased function and the buildup of waste in the body. This can cause a range of complications such as high blood pressure, anemia, and weakened bones, as well as issues with nutrition and nerve damage.
Preventing chronic kidney disease involves various measures such as maintaining a healthy weight and blood pressure, engaging in physical activity, and following a diet low in sodium. Additionally, individuals should avoid smoking and limit alcohol consumption.
What is the Leading Cause of Death in the World?
Heart disease, also known as cardiovascular disease, is the leading cause of death worldwide. It is a broad term that encompasses various conditions that affect the heart and blood vessels, such as coronary artery disease, heart failure, and arrhythmias. Risk factors for heart disease include high blood pressure, high cholesterol levels, smoking, diabetes, obesity, and a sedentary lifestyle. While some risk factors can be modified, others cannot. Prevention and management of heart disease involve lifestyle changes, such as eating a healthy diet, exercising regularly, quitting smoking, and managing stress. Early detection and treatment are also crucial to reducing the morbidity and mortality associated with heart disease.
Leading Cause of Death - FAQs
Cardiovascular diseases and respiratory diseases.
Chronic obstructive pulmonary disease, bronchitis, emphysema, asthma, and pulmonary hypertension.
A decline in memory, language, problem-solving, and cognitive capabilities that affect daily life.
A chronic condition where the body cannot produce or effectively use insulin to control blood sugar levels.
A viral respiratory infection that affects the nose, throat, and lungs and can cause pneumonia.