Note added August 2022: Our approach to moral weights has changed over the past several years, as has our list of top charities. As a result, the page below may be out-of-date.| GiveWell
In a nutshell Seasonal malaria chemoprevention (SMC) involves giving children monthly courses of antimalarial medicines during the high malaria season (in places where malaria is seasonal). We estimate that it costs approximately $2,000 to $7,000 (depending on the location) to avert a death in areas where GiveWell supports SMC. We think SMC is cost-effective because we think:| GiveWell
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Malaria is a life-threatening disease caused by parasites that are transmitted to people through the bites of infected female mosquitoes.| www.who.int
In a nutshell Waterborne disease is a common cause of diarrhea and death in children in low-income settings. GiveWell is investigating promising interventions that aim to reduce the risk of waterborne disease, including chlorine dispensers at communal water points and in-line chlorination.| GiveWell
In a nutshell GiveWell believes that distributing insecticide-treated nets (ITNs) is one of the most cost-effective programs that donors can support. We estimate that it costs approximately $3,000 to $8,000 to avert a death in locations where GiveWell supports campaigns. We think mass distribution of ITNs is cost-effective because:| GiveWell
Discussing how GiveWell's approach to accounting for charities' influence on how others allocate their funds has changed over time.| The GiveWell Blog
This page shares our general approach to creating impact estimates for the programs and funding opportunities we recommend and walks through the decisions and judgment calls behind those estimates.| GiveWell
Donate to high-impact, cost-effective programs—backed by evidence and analysis Last updated: January 2025| GiveWell