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Metaculus is an online forecasting platform focusing on topics of global importance.

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Will at least 5 non-passengers be linked to the MV Hondius hantavirus outbreak before August 2026?

1% chance

3
5151 comments
202
202 forecasters
1%chance

Ragnarök Question Series: if an artificial intelligence catastrophe occurs, will it reduce the human population by 95% or more?

30% chance

24
2222 comments
329
329 forecasters
30%chance

Ragnarök Question Series: If a global catastrophe occurs, will it be due to an artificial intelligence failure-mode?

27% chance

36
4545 comments
468
468 forecasters
27%chance

Will the United States attack Venezuela in December 2025 or January 2026?

result: yes

3
3030 comments
148
148 forecasters
ResolvedYes

Will the United States attack Venezuela before 2026?

result: yes

29
221221 comments
357
357 forecasters
ResolvedYes

Which of Scott Aaronson's five AI worlds will first come to pass before 2050?

39
172172 comments
275
275 forecasters

Will India’s climate-driven risk rise more than 10% in 2027 relative to 2022?

31% chance

4
33 comments
19
19 forecasters
31%chance

By 2100, will the human population decrease by at least 10% during any period of 5 years?

39% chance

60
2323 comments
424
424 forecasters
39%chance

PhilPapers survey mini-series: The many-worlds interpretation of quantum mechanics

32.7 (22.4 - 45.1)

4
22 comments
57
57 forecasters
32.7
(22.4 - 45.1)

Are we in a simulated reality? Part I

result: no

24
1919 comments
146
146 forecasters
ResolvedNo

Are we in a simulated reality? Part II

15% chance

1
2222 comments
281
281 forecasters
15%chance

Playing God Question Series

7
0 comments

Ragnarök Question Series: overview

14
55 comments

Ragnarök Series—results so far

31
3434 comments

The black swan

16
5656 comments

Discussion page for the Fermi Paradox question series

13
22 comments

What Is the Future of American Financial Surveillance?

10
11 comment