The iPhone maker's global female workforce was 31%, up one percentage point from the previous year. It increased its percentage of black and Asian workers 1%, bringing the overall figures to 8% and 18%, respectively.
The company also provided a breakdown of its hires from the past year: 35% of global hires were women and, in the U.S., 19% were Asian, 13% Latino and 11% black.
"Last year we reported the demographics of our employees for the first time externally. … We promised to improve those numbers, and we're happy to report that we have made progress," Apple Chief Executive
Workforce diversity has been a hot issue in the tech industry, with companies copping flack for hiring mostly white and male workers. Last year, tech firms such as Google, Facebook and Pinterest started reporting their diversity figures to offer transparency about their workforce.