The Ministry of Health, Social Services and Equality publishes statistics on violence against women and counts every death.
Also, media in Spain reports every case of violence against women that results in a death.
In 2004 Spain passed a world-first gender-based violence law that introduced special courts that deal with cases where the survivor’s gender is an aggravating factor.
In 20 years they have dealt with 2 million complaints and convicted 700,000 people, 72% being men.
The Istanbul Convention is a legally-binding instrument which "creates a comprehensive legal framework and approach to combat violence against women" and is focused on preventing domestic violence, protecting victims and prosecuting accused offenders.