This is a list of wealthiest charitable foundations worldwide.
In many countries, asset disclosure is not legally required or made public.
The entries are ordered by the size of the organization's financial endowment.
[1] The endowment value is a rounded estimate measured in United States dollars, based on the exchange rates on[update] December 31, 2020.
[2] Due to fluctuations in holdings, currency exchange and asset values, this list only represents the valuation of each foundation on a single day.