About Metaculus
A prediction platform where users make and evaluate forecasts about future events across science, tech, politics, and more.
The community at a glance
Metaculus is an online community for Forecasters with roughly 20K members. It has been around since 2015. It has both a forum and a live chat communication style. On the Hive Index it ranks #3 in the Prediction Markets communities list.
Community Topics
Community Reviews
Frequently asked questions
- Who is Metaculus for?
- Best for Forecasters enthusiasts looking for a an independent setup-based community with forum discussion, live chat.
- Is Metaculus free to join?
- This listing is not marked as paid-only. Access rules and any fees are decided by the community.
- How many members does Metaculus have?
- Roughly 20K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
- What topics does Metaculus cover?
- On the Hive Index, Metaculus is organized under Forecasters.
- How do I join Metaculus?
- You can join Metaculus by clicking this link, or pressing the "Go to community" button above.
- What are the Prediction Markets communities like?
- Online communities for forecasting future events, debating prediction markets, and sharpening your probabilistic thinking skills.
Added 10/14/2026
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