In former East Germany, by contrast, nine out of ten women of working age had a full-time job.

ECONOMIST: A survey of women and work

Outside estimates suggest it may be as high as 20%, but it is hard to tell because many Saudis of working age, including nine out of ten women, are not actively seeking jobs.

ECONOMIST: Ever so slowly, Saudi society is moving forward

In eight African countries, over nine out of ten young women in rural areas have not completed lower secondary school.

UNESCO: One third of young people in Sub-Saharan Africa fail to complete primary school and lack skills for work | United Nations Educational, Scientific and Cultural Organization

Moreover, nine out of ten violent attacks on women are carried out by men, adding grist to the notion of a war of the sexes.

ECONOMIST: Freedom, guns and women