"... somewhere in the region of 150 million to 300 million people have died from the effects of malaria during the past 100 years. If it is taken that around 6,000 million people have died during this period, malaria may be reckoned to have been a factor in between 2 and 5% of all deaths across the planet in the 20th century." [0]

[0]: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC126857/