Quote Originally Posted by Jkuao

Then there's the big difference between types of income. The wealthy earn money in investments, dividends, and long term income. Buffett may have made like 20 million in salary(which would have been taxed near 50% for like 11 million net) but he probably gained 5-6 billion in interest, dividends, stock options, stock appreciation, and deferred compensation. On that several billion, he likely only got taxed 10-15% which is what he's talking about getting taxed less than his secretary.
Your missing one Large detail. I highly doubt he made billions considering there is this thing called capital gain tax.