14% Oklahoma Policy Institute // September 3, 2020 // Updated: September 3, 2020 Number of the Day Percentage of Oklahoma’s total voter turnout who voted-by-mail in the June 30 election. [Source: Tulsa World] See previous Numbers of the Day here. Share This:FacebookTwitterLinkedInTumblrRedditPocketEmailPrint ABOUT THE AUTHOR Oklahoma Policy Institute // @okpolicy // digital@okpolicy.org Oklahoma Policy Insititute (OK Policy) advances equitable and fiscally responsible policies that expand opportunity for all Oklahomans through non-partisan research, analysis, and advocacy.