Although the percentage of women in leadership roles at Google has increased from 20.8 to 25.5 per cent in the last four years, women still make up only 30.9 per cent of its global workforce while men 69.1 per cent, the tech giant has revealed.

In its annual diversity report released on Thursday, Google said it has made some progress in leadership ranks by gender and ethnicity. "The data in this report shows that despite significant effort, and some pockets of success, we need to do more to achieve our desired diversity and inclusion outcomes," said Danielle Brown, VP-Chief Diversity and Inclusion Officer.