The Foundation Center provides this free database where you can find data on grants given per year, including dollar value of those grants, by subject areas. This database also allows you to view data by population groups and recipient location. Additional statistics include aggregate grant fiscal data and top grant givers.
Important information for nonprofits on annual filing and reporting requirements, tax forms and tips for filing. The site also includes instructions on how to apply to be tax exempt, provides educational materials and lists webinars and other educational opportunities. There is also an A to Z index of topics useful to nonprofits and charities.