What is the deadliest disease on earth?

While the deadliest disease can vary over time and location, the world Health organization( WHO) estimates that the following are the Leading Causes of Death Globally in 2019:

1. Ischaemic Heart Disease ( Commonly known as Heart Attack): approximately 9 million deaths.

2.Stroke:Approximately 5.5 million deaths.

3.Chronic Obstructive Pulmonary Disease (COPD) : Approximately 3.2 million deaths.

4.Lower Respiratory Infections ( Such as Pneumonia and Bronchitis): Approximately 2.6 million deaths.

5.Alzheimer's Disease and other forms of Dementia Approximately 1.6 million deaths.

6.Tracheal, Bronchial , and Lung Cancer( Commonly referred to as Lung Cancer) Approximately 1.4 million deaths.

7.Diabetes: Approximately 1.5 million deaths.

8. HIV/AIDS: Approximately 690,000 deaths.

9.Tuberculosis: Approximately 600,000 deaths.

10. Malaria: Approximately 405,000 deaths.

It's important to note that these estimates may have changed since 2019 due to factors such as the covid-19 pandemic and other evolving Health challenges.