Japan ranks 31st out of 35 countries in terms of the percentage of female board of directors, falling below Jordan, Oman and Kuwait, a U.S.-based nonprofit group said Tuesday.

According to the latest report by Corporate Women Directors International, there are only 17 women among 1,198 directors in large Japanese companies.

The group surveyed the top 100 companies in Japan based on the value of their shares in the index used by the Financial Times. The newspaper picked the 100 firms.