invisible minority

noun1

1. •
   A minority group that is not visually recognizable

   • August 2019 Southern Pride: LGBTQ athletes in Kentucky face challenges as an 'invisible minority' Courier Journal maybe someday LGBTQ athletes will no longer feel they are America's invisible minority.
   • December 2019 Letters: Boulder’s demographic stagnation; Republicans are funny; an invisible minority Boulder Daily Camera Yet there is an invisible minority of those with these disorders who, unlike those poster children we think of, pass, for lack of a better word, undetected in our daily lives. It’s likely everyone knows at least one person with autism, dyslexia, or another disorder without knowing it, and because they are an invisible minority, our daily actions affect them far more dramatically.