--- title: Charities calculation author: Issa Rice created: 2016-12-09 date: 2016-12-09 --- 1.5 million US nonprofits ([source](http://grantspace.org/tools/knowledge-base/Funding-Research/Statistics/number-of-nonprofits-in-the-u.s); [Charity Navigator gives the same number](https://www.charitynavigator.org/index.cfm?bay=content.view&cpid=32)). Of those, around 1.1 million are public charities ([source](http://nccs.urban.org/statistics/quickfacts.cfm)). AmazonSmile allows a choice among ["almost one million eligible 501(c)(3) public charitable organizations"](https://smile.amazon.com/gp/chpf/about/). 61 charities in [GW spreadsheet](https://docs.google.com/spreadsheets/d/1KJveeJNUL3_tkshcajB3L8eGZ0gqcy_ZYpxcK1f_9r4/edit) which is "a list of charities focused on evidence-backed, potentially cost-effective programs whether or not we have investigated them" ([source](http://www.givewell.org/how-we-work/criteria)). This list includes top charities. From GiveWell's [old charities page](https://web.archive.org/web/20160816143541/http://www.givewell.org/charities) (as of August 16, 2016): * 125 charities in "International charities contacted for review"; this list includes top charities * 649 charities in "Other international charities considered", i.e. those charities that they considered but did not/have not contacted or didn't have a website * 85 charities in "All United States charities considered" As of November 2015, Charity Navigator has rated 5000 charities based in the US ([source](http://www.ncdcr.gov/press-release/charity-navigator-awards-nc-aquarium-society-fourth-consecutive-top-rating)).