Top causes of death due to infectious disease worldwide

Ranking
Cause
Estimated number of deaths (in millions)
Percent of all deaths
3
Lower respiratory infections
4.18
7.1
6
Diarrheal diseases
2.16
3.7
7
HIV/AIDS
2.04
2.5
8
Tuberculosis
1.46
2.5
Source: World Health Organization, 2008