[Update: A previous version of chart #1 incorrectly said 2011. The chart is based on 2009/2010 American Community Survey data.]

1) 44 percent of Oklahomans owed no federal income tax in 2010. The vast majority were workers, elderly, disabled, or students.

2) Poor and middle class Oklahomans pay a greater percentage of their incomes in state and local taxes than do the wealthiest.