The politicians pushing voter ID are well aware of the demographics of that 10%, and have little interest in addressing their access challenges because of them.
https://www.aclu.org/fact-sheet/oppose-voter-id-legislation-...
> A recent voter-ID study by political scientists at the University of California at San Diego analyzed turnout in elections between 2008 and 2012 and found “substantial drops in turnout for minorities under strict voter ID laws.”
> Myrtle Delahuerta, 85, who lives across town from Randall, has tried unsuccessfully for two years to get her ID. She has the same problem of her birth certificate not matching her pile of other legal documents that she carts from one government office to the next. The disabled woman, who has difficulty walking, is applying to have her name legally changed, a process that will cost her more than $300 and has required a background check and several trips to government offices.
https://www.washingtonpost.com/politics/courts_law/getting-a...
And Republicans are very aware of that.
> Last week, during the federal trial on Wisconsin’s voter-ID law, a former Republican staffer testified that GOP senators were “giddy” about the idea that the state’s 2011 voter-ID law might keep Democrats, particularly minorities in Milwaukee, from voting and help them win at the polls. “They were politically frothing at the mouth,” said the aide, Todd Allbaugh.