Kate Rushing, a contributor to StyleMinutes, a Web site devoted to fashion which also tracks models' appearances in runway shows, compiled data on the racial diversity of the big four fashion weeks. And in the season just ended, nearly nine out of ten models booked at New York, London, Milan and Paris fashion weeks…

The Fall-Winter 2013 shows have just finished up in New York. This season saw 151 shows and live presentations during fashion week's eight days — making it the biggest and busiest NYFW we've ever covered. But it wasn't very racially diverse.