World Malaria Report 2024
Cited in 2 Likelier entries (2 risks, 0 decisions).
Used in 2 entries
For each citing entry, the verbatim excerpt and Likelier's calculation notes (how the source's number was converted to the lifetime-probability framing) are shown below. Click through to read the full claim ledger.
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- Statistic
263 million malaria cases and 597,000 deaths worldwide in 2023; ~95% of deaths occurred in the WHO African Region.
“"there were an estimated 263 million cases and 597 000 malaria deaths worldwide in 2023 … 11 million more cases in 2023 compared to 2022, and nearly the same number of deaths. … Approximately 95% of the deaths occurred in the WHO African Region."”
Calculation notes
WHO World Malaria Report gives the global denominator: 263 million cases per year, 95% of deaths in the WHO African Region. This concentration is what drives the regional_breakdown in this entry: a 2-week trip to Sub-Saharan Africa dominates every other travel malaria risk by two to six orders of magnitude. WHO data is methodologically independent of CDC surveillance (WHO programmatic estimates vs US NMSS case reports), so this is a genuine independent corroboration of where the risk lives.
Independence note: WHO programmatic malaria estimates are derived from country-level case reporting and modeled adjustments, a separate pipeline from CDC’s US-facing NMSS surveillance. Independent corroboration on the “95% of deaths are in the WHO African Region” figure.
Source date: 2024-12-11 · Accessed: 2026-04-11
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- Statistic
263 million malaria cases and 597,000 malaria deaths in 2023; 94% of cases in WHO African Region
“"Malaria remains a serious global health challenge, claiming 597,000 lives in 2023 alone. In 2023, there were an estimated 263 million new malaria cases in 83 countries worldwide."”
Calculation notes
Mosquito-specific mortality anchor: 597,000 malaria deaths alone account for the vast majority of the entry's 700,000 vector-borne disease deaths. Confirms that mosquito-borne diseases (malaria + dengue + others) dominate the vector-borne category.
Independence note: WHO World Malaria Report uses country-reported data and WHO modelling — the same upstream as the WHO vector-borne fact sheet but with malaria-specific detail.
Source date: 2024-12-01 · Accessed: 2026-04-12
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