| Disease | Death Toll | Years | % Correct |
|---|---|---|---|
| COVID-19 Pandemic | 7.1–36.5 million | 2019–present | 98%
|
| Black Death | 25–50 million | 1346–1353 | 95%
|
| Spanish Influenza Pandemic | 25–50 million | 1918–1920 | 93%
|
| HIV/AIDS pandemic | 44 million | 1981–present | 83%
|
| Hong Kong Flu | 1–4 million | 1968–1969 | 56%
|
| Russian Flu | 1 million | 1889–1890 | 56%
|
| Third Plague Pandemic | 12–15 million | 1855–1960 | 56%
|
| Asian Flu Pandemic | 1–4 million | 1957–1958 | 55%
|
| Plague of Justinian | 15–100 million | 541–549 | 53%
|
| Antonine Plague | 5–10 million | 165–190 | 49%
|
| Japanese Smallpox Epidemic | 2 million | 735–737 | 45%
|
| Mexico Smallpox Epidemic | 5–8 million | 1519–1520 | 45%
|
| Great Plague of Milan | 1 million | 1629–1631 | 44%
|
| Naples Plague | 1.25 million | 1656–1658 | 44%
|
| Persian Plague | 2 million | 1772–1773 | 44%
|
| Third Cholera Pandemic | 1 million | 1846–1860 | 30%
|
| Russia Typhus Epidemic | 2–3 million | 1918–1922 | 10%
|
| First Cocoliztli Epidemic | 5–15 million | 1545–1548 | 3%
|
| Second Cocoliztli Epidemic | 2–2.5 million | 1576–1580 | 3%
|