While most people assume that the best charities are only slightly more effective than average, experts estimate that the best charities are often 100 times more effective.
On the Giving What We Can charity comparisons page, there is a list of concrete examples of how effectiveness varies between charities. For instance, providing deworming treatment is roughly 100 times more effective than merit scholarships are for improving education.

The difference in effectiveness can be even bigger when comparing charities working in a wide variety of causes.

These huge differences in effectiveness provide us with an opportunity to do much more good with our charitable dollars if we choose charities strategically, rather than simply choosing the charities that we are familiar with, or the ones that are most convenient.

I love that they use data and evidence to choose which charity to donate to and which charity will be able to do the most with the money

Because GiveWell is the best charity evaluator there is.

I gave because I wanted to donate to a highly effective charity and make the most difference I can

Identifying and updating research priorities on a changing landscape is critically important and deserves dedicated expertise and investigation.

The biggest inequities on this planet still have to do with where a person happened to have been born. I'm convinced that GiveWell's grant fund is the single best place to give if you want to push as hard as possible on this problem.

The GiveWell Top Charities Fund supports evidence-backed giving opportunities that save or improve lives most per dollar donated.

[GiveWell](https://www.givewell.org/) - We find and recommend outstanding giving opportunities and publish our research to help donors give more effectively and with greater confidence.

All donations here support our Top Charities Fund. Learn more and view past grants at [givewell.org/top-charities-fund](https://www.givewell.org/top-charities-fund).

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