This episode was recorded on June 25, 2025 and represents our best understanding at that time. GiveWell has long grappled with fundamental questions about how to value different positive impacts an...| GiveWell Conversations
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 As a result, the page below may be out-of-date.| GiveWell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
Updated: December 2024 (September 2023 version)| GiveWell
We discontinued the "GiveWell Incubation Grant" designation GiveWell directs hundreds of millions of dollars in grants annually to high-impact opportunities.| GiveWell
GiveWell tries to help donors do as much good as possible with each dollar they give. We aim to find outstanding giving opportunities and to publish the full details of our analysis to help donors decide where to give. We do not aim to rate every charity, but to find the ones which we feel will maximize the impact of additional donations in terms of lives saved or improved.| GiveWell
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