This doesn't just matter for women's welfare – it matters for a country's ability to succeed.
A study asked people in seven countries to pick the most appropriate clothing.
African and Muslim countries score as the least tolerant, with Western and Latin countries the most accepting.
Online discussion has downplayed the study and challenged the idea of gender equality.
The short answer: so far, not much.
France has pushed hard to spur population growth, granting women many benefits but possibly degrading their role in society.
A map of Europe's gender status by country.