A study tallies all characters that appear in video games, however briefly, and sort them by age, gender and ethnicity, then weighs this by the sales of the games. Unsurprisingly they find that children, elderly, women and Africans are severely underrepresented. It is concluded that this is a problem.
I am not so sure, given that the overwhelming majority of characters who appear in video games exist for the purpose of being killed. Somehow I don't foresee a bright future for a game in which you mostly shoot small African girls in wheelchairs and their grandmothers.
(Admittedly they would get similar results if they only counted the protagonists / avatars, except perhaps with some more females. But at least that would make sense.)