http://money.com/money/4296564/barack-obama-taxes-2015/ America does not know anything on Trump's finances, or his taxes, but you are right America should know. https://www.forbes.com/sites/danalexander/2017/02/06/obama-donated-over-1-million-to-charity-as-president-heres-where-the-money-went/#691f1fb0459e President Obama did donate one million dollars to charity, does that hep you see more clearly.