World Dense Breast Day
Founded and sponsored by DenseBreast-info.org and now on the National Day Calendar.
The purpose of this worldwide one-day social media blitz is to raise awareness about dense breasts and share medically-sourced educational resources available for women and health providers.
2025 Success Story:
• The education campaign reached 53.6 million viewers around the world
• Over 76,200 people interacted with the posts by liking or sharing
• The #WorldDenseBreastDay hashtag sparked nearly 4,000 mentions
Sources: Google Analytics, BrandMentions, Hootsuite Analytics.

Dense Breasts
How you can participate:
- Encourage education and please help promote the day! Please post about your support of education on the topic using hashtag #WorldDenseBreastDay.
- Follow/share the full day of #WorldDenseBreastDay social media posts including videos and interactive images.


