Earlier quoted context omitted.
AGI is not a lie, it's Adjusted Gross Income, that is the income you actually pay tax on. It's not like it's some super secret formula that no one knows how to calculate.
Income is income, Adjustment is where the lie comes from. Sure, you can pretend it's meaningful number, but ex: charitable donations are not deductible from payroll taxes so they are clearly not going to reduce income. Or for a more obvious example, donate 1 million in appreciated and you get to deduct the full 1 million from income. (see if you can spot the problem with that.) PS: Hypothetically, if they said AGI wa…
This might be more interesting...
In 2011, households in the top, middle, and bottom quintiles received 52, 14, and 5 percent of the nation's before-tax income, respectively; the shares of federal taxes paid by those households were 69, 9, and 1 percent.[1]
So the top quintile earns 52% of the before-tax income and payers 69% of all taxes. The bottom quintile earns 5% of all before-tax income and pays 1% of the taxes.