Which diseases are the biggest killers of people?

The top 10 causes of death globally in 2019, according to the World Health Organization (WHO), are:

1. Ischaemic heart disease (heart attacks)

2. Stroke

3. Chronic Obstructive Pulmonary Disease (COPD)

4. Lower respiratory infections

5. Diabetes

6. Trachea, bronchus, and lung cancers

7. Alzheimer's disease and other dementias

8. Diarrhoeal diseases

9. Tuberculosis

10. Road injuries

These causes account for nearly half of all deaths worldwide. Ischemic heart disease and stroke together account for a quarter of all deaths.

It is important to note that the exact ranking of causes of death can vary from year to year and may differ in different regions of the world due to variations in healthcare systems, socioeconomic factors, and other influences.