Twitter has gotten quite a bit of flack over the lack of transformation in its top management, especially after CEO Dick Costolo ruffled a few feathers when he called Vivek Wadhw – a Stanford Law Fellow writing a book on women in tech – “the Carrot Top of academic sources”.

(Wadhw criticised the fact that Twitter went to the I.P.O. without a single woman on the board.)

So it comes as no surprise then that officially, women only make up 21% of its leadership and 10% of Twitter’s tech workforce, according to the recently released diversity report.

Below are Twitter’s global gender workforce stats:

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And its US workforce ethnicity stats:

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Compared to GoogleYahoo and Facebook, Twitter’s stats are almost identical to Google’s, meaning Yahoo is still the most diversified tech company.

In good news, Twitter did mention that it wants to create a more diverse workforce, one that represents the different backgrounds and cultures of its users around the world.

“We want to be more than a good business, we want to be a business that we are proud of,” says Janet Van Huysse, vice president of diversity and inclusion at Twitter. “To that end, we are joining some peer companies by sharing our ethnic and gender diversity data. And like our peers, we have a lot of work to do.”

Van Huysse says Twitter has a number of in-house programmes aimed at women and minority groups, including Women in Engineering (WomEng), Super Women at Twitter (SWAT), Twitter Women in Design (TwUX), Tweeps of Color (BlackBird), LGBTQ folks (TwitterOpen) and Latino and Latina employees (Alas).

Twitter has also partnered with a number of organisations that promote women and minorities in tech.

“We are keenly aware that Twitter is part of an industry that is marked by dramatic imbalances in diversity — and we are no exception. By becoming more transparent with our employee data, open in dialogue throughout the company and rigorous in our recruiting, hiring and promotion practices, we are making diversity an important business issue for ourselves,” Van Huysee concluded.

[Source – Twitter. Image – Twitter, Google]