📖 The ACX 2025 Prediction Contest Is Open!

The Astral Codex Ten Prediction Contest is back with an expanded $10,000 prize pool! Test your forecasting skills across geopolitics, technology, economics, and more with questions curated by Scott Alexander. Make your predictions by January 31 to compete.

🔭 The Bridgewater x Metaculus Forecasting Contest Goes Global — Feb 3

For the second year, Metaculus is teaming up with Bridgewater Associates to host a competition featuring $25k in prizes and potential opportunities with the asset management firm — and this year, forecasters from around the globe can compete.

Start here to register for the February 3rd competition, warm up on practice questions, and learn about the separate Open and Undergraduate leaderboards.

M

Question

How many people will be in space on April 12, 2030?

11
7
Total Forecasters21
Community Prediction24.4 (13.5 - 39.4)

Make a Prediction

PDF

CDF

weight:
My Prediction
community
<5
lower 25%
median
upper 75%
>1k
...
...
...
...
...
4.6%
13.53
24.44
39.42
0.3%
Authors:
Cato
Opened:
Closes:
Scheduled resolution:
Economy & Business
Technology
Astronomy
Yuri Gagarin
Yuri's Night
Physics
Cosmonautics Day
International Day of Human Space Flight
Fédération Aéronautique Internationale
Atmospheric science
Space Shuttle program
Aerospace engineering

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