Proof of concept for axion-photon conversion as a basis for energy generation demonstrated experimentally, as published in at least one refereed physics journal. ( 25% confidence; 2 wagers )

Created by NathanMcKnight on 2014-10-20; known on 2114-10-21.

Over the next 100 years, California will slowly turn into a desert ( 16% confidence; 2 wagers; 1 comment )

Created by msevrens on 2014-10-28; known on 2114-10-28.

Neo-Luddist's will be the Al-Qaeda of the 2110's. ( 50% confidence )

Created by deanmullen2014 on 2013-12-31; known on 2115-01-01.

By the end of the century, one or more countries bordering the Persian Gulf (or their successor national or subnational territories) will have a permanent human population of zero. ( 15% confidence; 3 wagers; 5 comments )

Created by NathanMcKnight on 2015-10-27; known on 2116-01-01.

Between 2016-2116, at least 1 American President will be neither Democratic or Republican. ( 51% confidence; 18 wagers; 9 comments )

Created by gwern on 2012-09-27; known on 2116-11-05.

I will step on Mars before I die ( 3% confidence; 2 wagers; 1 comment )

Created by bobpage on 2017-06-19; known on 2117-01-01.

Half-Life 3 will be released in the next 100 years. ( 68% confidence; 3 wagers )

Created by jazzsolo on 2018-12-03; known on 2118-12-31.

Uganda will legalize Gay Marriage by 2130. Yes you read that right! It will probably occur in the 2110s or 2120s. ( 92% confidence; 2 wagers; 2 comments )

Created by deanmullen2014 on 2013-12-31; known on 2130-01-01.

You know what's hip if you know the name Peter Singer in 2150. People know his name now (2013) but he will be a Descartes, a Newton come 2150. ( 28% confidence; 3 wagers; 2 comments )

Created by deanmullen2014 on 2013-12-31; known on 2150-01-01.

“By the year 2150, over 50% of schools in the USA or Western Europe will require classes in defending against robot attacks.” ( 7% confidence; 12 wagers; 8 comments )

Created by gwern on 2010-07-30; known on 2150-01-01.

“Mankind is unlikely to exist in anything like its present form in 2150.” -lukeprog ( 66% confidence; 13 wagers; 11 comments )

Created by Jayson Virissimo on 2011-11-20; known on 2150-01-01.

Lauri Love outlives the United States of America ( 6% confidence; 2 wagers )

Created by themusicgod1 on 2017-01-19; known on 2150-01-01.

In the year 2150, unless an existential risk intervenes, there will be an incorporated or sovereign entity identifying itself as the USA or its legal heir. ( 54% confidence; 10 wagers; 2 comments )

Created by gwern on 2010-07-30; known on 2150-01-01.

“At least one human alive in the year 2000 will still be alive in 2150.” ( 56% confidence; 14 wagers; 8 comments )

Created by gwern on 2010-07-29; known on 2150-01-01.

An Anti-Specieist World by 2150. Animal Exploitation will be a thing of the past, old blatant discrimination no longer accepted and the reduction of wild animal suffering a real task. ( 40% confidence; 2 wagers; 1 comment )

Created by deanmullen2014 on 2013-12-31; known on 2150-01-01.

Conditional on civilization not collapsing, emulations will be developed sometime between 25 and 150 years from now. — Robin Hanson ( 75% confidence; 6 wagers; 1 comment )

Created by Pablo Stafforini on 2013-05-06; known on 2162-01-01.

The world will be fully directly democratic by 2170! The world will be self-governed by it's people, probably nationless (definitely in culture, society and economics) but not a global state ( 32% confidence; 7 wagers; 3 comments )

Created by deanmullen2014 on 2013-12-31; known on 2170-01-01.

'. The Dead Sea Scrolls managed to survive by remaining lost for a couple millennia. Now that they've been located and preserved in a museum, they're probably doomed. I give them two centuries – tops.' —Danny Hillis ( 28% confidence; 5 wagers; 2 comments )

Created by gwern on 2011-05-22; known on 2195-02-16.

[Long term] By 2200, the continent of Africa will be thriving, with a competitive economy and cities that rival those of other continents. ( 52% confidence; 2 wagers; 1 comment )

Created by jesselevine on 2015-04-23; known on 2200-01-01.

Humanity is not going to go extinct before 2200 because of anthropogenic climate change. ( 97% confidence; 5 wagers; 1 comment )

Created by pranomostro on 2019-08-29; known on 2200-01-01.

I will still be alive in 2200, meaning that the software that I am — or some modification of it — will still be running then. ( 1% confidence; 5 wagers; 3 comments )

Created by anonym on 2009-10-17; known on 2200-01-01.

I will be cryonically frozen. ( 65% confidence; 2 comments )

Created by Amélie_Roy on 2014-02-07; known on 2200-10-31.

[Long Term] An existential catastrophe will occur by the end of year 2200. ( 45% confidence; 5 wagers; 1 comment )

Created by WilliamKiely on 2016-06-29; known on 2201-01-01.

“Downtown American cities in two hundred years will look pretty much as they do now.” ( 20% confidence; 6 wagers; 3 comments )

Created by gwern on 2010-07-30; known on 2203-01-01.

Mercury will not exist anymore by January 1st 2214. ( 4% confidence; 6 wagers; 5 comments )

Created by Mati on 2014-12-06; known on 2214-01-01.

There will be no border in 200 years. ( 10% confidence )

Created by spacemammoth on 2014-08-13; known on 2214-08-13.

I will break my 251 day Anki review streak within my lifetime. (Wait… who is going to resolve this question?) ( 4% confidence )

Created by Morpheus on 2021-04-25; known on 2221-04-25.

Not only does 9th planet exist, but 10th planet hiding in the Kuiper belt somewhere too ( 66% confidence; 1 comment )

Created by themusicgod1 on 2016-02-29; known on 2266-01-01.

Before the year 2300, there will be a Chabad on Mars. ( 30% confidence; 8 wagers; 4 comments )

Created by JoshuaZ on 2011-09-05; known on 2300-01-01.

[Long Term] An existential catastrophe will occur by the end of year 2300. ( 53% confidence; 3 wagers; 1 comment )

Created by WilliamKiely on 2016-06-29; known on 2301-01-01.

“THE world?s slowest concert, which began on September 5, 2001 and which is scheduled to take 639 years, will still be performed at its half-time interval, wich is planned for the year 2319.” ( 3% confidence; 4 wagers; 2 comments )

Created by gwern on 2010-08-01; known on 2319-01-01.

living things in Gliese 581g system as of past 20 years ( 3% confidence; 1 comment )

Created by themusicgod1 on 2017-09-21; known on 2400-01-01.

Abrupt drop off found in space dust sizes above 2.176 × 10E−5 g ( 50% confidence )

Created by themusicgod1 on 2016-04-21; known on 2400-01-01.

[Long Term] An existential catastrophe will occur by the end of year 2400. ( 55% confidence; 3 wagers; 1 comment )

Created by WilliamKiely on 2016-06-29; known on 2401-01-01.

[Long Term] An existential catastrophe will occur by the end of year 2500. ( 57% confidence; 3 wagers; 2 comments )

Created by WilliamKiely on 2016-06-29; known on 2501-01-01.

Invisible clothes will be real in 5OO years later ( 66% confidence; 2 wagers; 1 comment )

Created by nam2001 on 2011-04-16; known on 2511-04-16.

There will be a total solar eclipse on June 25, 2522 ( 95% confidence; 3 wagers; 3 comments )

Created by jasticE on 2016-01-27; known on 2522-06-25.

[Long Term] An existential catastrophe will occur by the end of year 2600. ( 58% confidence; 3 wagers; 1 comment )

Created by WilliamKiely on 2016-06-29; known on 2601-01-01.

[Long Term] An existential catastrophe will occur by the end of year 2700. ( 60% confidence; 3 wagers; 1 comment )

Created by WilliamKiely on 2016-06-29; known on 2701-01-01.

[Long Term] An existential catastrophe will occur by the end of year 2800. ( 61% confidence; 3 wagers; 1 comment )

Created by WilliamKiely on 2016-06-29; known on 2801-01-01.

[Long Term] An existential catastrophe will occur by the end of year 2900. ( 63% confidence; 3 wagers; 1 comment )

Created by WilliamKiely on 2016-06-29; known on 2901-01-01.

Intelligent lifeforms found on other planets by the end of the 2000s. ( 82% confidence; 2 wagers; 3 comments )

Created by HolmesSherlockHolmes on 2013-11-13; known on 3000-01-01.

Will we be able to upload our consciousness to the cloud by the year 3000? ( 53% confidence; 3 wagers )

Created by kadavy on 2021-03-29; known on 3000-01-01.

https://gnosis.pm survives longer than predictionbook ( 33% confidence; 2 wagers )

Created by themusicgod1 on 2017-04-25; known on 3000-01-01.

I am not going to die as a consequence of anthropogenic climate change. ( 99% confidence; 7 wagers; 5 comments )

Created by pranomostro on 2019-08-29; known on 3000-01-01.

I will have a gf at some point ( 81% confidence; 10 wagers; 8 comments )

Created by playablecharacter on 2017-03-11; known on 3001-01-01.

[Long Term] An existential catastrophe will occur by the end of year 3000. ( 64% confidence; 3 wagers; 1 comment )

Created by WilliamKiely on 2016-06-29; known on 3001-01-01.

Vipul will get married before he dies ( 31% confidence; 7 wagers; 5 comments )

Created by playablecharacter on 2017-03-11; known on 3001-01-01.