Ray Kurzweil: checked claims

Scores by kind of claim

Each kind of claim is scored on its own, out of 100: the share that held up, with the range it likely falls in. Fewer resolved claims give a wider range.

Factual claims

Statements about the present or the past, checked against the record: did they hold up?

68 61 75

High confidence, 69 factual claims resolved. From 13 documents, 2000 to 2026; 15 documents sampled from 30 candidates found.

Not scored: 61 unresolvable, 14 checkable only against their own records.

See the factual claims
Predictions

Statements about events outside the person's control, checked once they fell due: did they come true?

42 25 60

Low confidence, 9 predictions resolved. From 4 documents, 2001 to 2020; 15 documents sampled from 30 candidates found.

Not scored: 140 unresolvable, 2 checkable only against their own records. 98 more fall due later.
Does not yet allow for how likely each prediction was when made.

See the predictions
Promises

Commitments to the person's or organisation's own future action, with something to deliver: was it delivered?

Insufficient record: 0 promises resolved, 5 needed for a score.

Not scored: 1 not yet due.

See the promises

All types combined: 65 (likely 58 to 71, high confidence), from 78 claims: 69 factual claims, 9 predictions. It mixes kinds of claim in different proportions for different people, so compare people kind by kind.

Ray Kurzweil's claims

78 claims

78 claims, sorted by newest said. Choose a claim to read it in full.
Verdict	Kind	Said	Claim	Topic
Mostly false	Factual	4 Jun 2026	Large language models being roughly 50% better than human doctors at diagnosing conditions and recommending treatments was not true a year ago but is true today. Factual · 4 Jun 2026	AI capabilities
Resolved true	Factual	20 Jan 2026	Kurzweil predicted in 1999 that AGI would arrive in 2029. Factual · 20 Jan 2026	Their own work or organisation
Mixed	Factual	Mar 2025	AI hallucinations persist but are becoming much less frequent. Factual · Mar 2025	AI capabilities
Mixed	Factual	Mar 2025	Kurzweil said that at about 10 billion connections neural networks started to do things. Factual · Mar 2025	AI compute, hardware and data
Mostly false	Factual	Mar 2025	Exponential growth applies to every type of technology, not just computers. Factual · Mar 2025	Technology
Mixed	Factual	Mar 2025	More and more people from more backgrounds, including third world countries in Africa and South America, now participate in technological advances than previously. Factual · Mar 2025	Economics and markets
Mostly true	Factual	Oct 2024	Neuralink has been implanted in two paralyzed patients who can control a computer with their brain. Factual · Oct 2024	Technology
Resolved false	Factual	9 Jul 2024	Moderna gathered several billion possibilities for what could cause COVID and used simulated trials with AI to narrow them. Factual · 9 Jul 2024	Biosecurity
Mostly false	Factual	9 Jul 2024	Currently scientific progress gives back about four months of life expectancy per year. Factual · 9 Jul 2024	Science and research methods
Mixed	Factual	9 Jul 2024	Among the forecasts he was describing, which averaged a hundred years, nobody said it would happen within 30 years, but now everybody is saying that. Factual · 9 Jul 2024	AI timelines and forecasting
Mixed	Factual	9 Jul 2024	Cloud computing is expanding exponentially, doubling in speed every year for the same money. Factual · 9 Jul 2024	AI compute, hardware and data
Mostly false	Factual	9 Jul 2024	AlphaFold 2 in 2022 went through 200 million proteins and got their shapes exactly correct, which will help produce new medications. Factual · 9 Jul 2024	Science and research methods
Resolved true	Factual	9 Jul 2024	Inventions like the spinning jenny did eliminate many jobs, as the Luddites claimed. Factual · 9 Jul 2024	AI, the economy and work
Resolved true	Factual	9 Jul 2024	As of two or three years ago, 170,000 proteins had been worked through by people. Factual · 9 Jul 2024	Science and research methods
Resolved true	Factual	9 Jul 2024	10,000 times more sunlight falls on Earth than needed to meet all energy needs. Factual · 9 Jul 2024	Economics and markets
Mostly true	Factual	9 Jul 2024	New forms of solar and wind do not use oil and coal or add carbon dioxide. Factual · 9 Jul 2024	Economics and markets
Mostly true	Factual	29 Mar 2024	About 300 years ago, life expectancy was around 28. Factual · 29 Mar 2024	Philosophy, ethics and society
Mostly true	Factual	29 Mar 2024	Eighty years ago, 100 million people died in Europe and Asia in World War II. Factual · 29 Mar 2024	Other global risks
Mostly true	Factual	29 Mar 2024	AI progress is advancing very quickly, at an exponential rate. Factual · 29 Mar 2024	AI capabilities
Mostly true	Factual	29 Mar 2024	Kurzweil's early computer music program produced melodies recognizable as in the style of Mozart or Chopin, though not quite as good. Factual · 29 Mar 2024	AI capabilities
Mostly false	Factual	29 Mar 2024	Computation/AI capability has increased 20 quadrillion-fold over 80 years. Factual · 29 Mar 2024	AI compute, hardware and data
Resolved true	Factual	29 Mar 2024	In the roughly 80 years the speaker refers to, the event he calls "it" has not happened, although atomic weapons are held by people he describes as "not the nicest people in the world". Factual · 29 Mar 2024	Other global risks
Mostly false	Factual	29 Mar 2024	Human-caused destruction is declining as humans have grown more intelligent; current wars are less deadly than past ones. Factual · 29 Mar 2024	Philosophy, ethics and society
Mostly true	Factual	29 Mar 2024	People today earn about 10 times as much in constant dollars as 100 years ago. Factual · 29 Mar 2024	Economics and markets
Resolved true	Factual	Aug 2023	In The Age of Spiritual Machines (1999), Kurzweil predicted computers would pass the Turing Test by 2029. Factual · Aug 2023	AI timelines and forecasting
Resolved true	Factual	5 May 2023	Kurzweil did not sign the open letter calling for a pause on AI more powerful than GPT-4. Factual · 5 May 2023	AI policy and governance
Mostly true	Factual	26 May 2022	The prizes received by Geoffrey Hinton and by Demis Hassabis and John Jumper were very much for AI. Factual · 26 May 2022	AI capabilities
Resolved true	Factual	Apr 2022	The US government has a plan to create new vaccines within a few months to three months. Factual · Apr 2022	Biosecurity
Mostly true	Factual	May 2020	As of May 2020, US researchers are testing the Flinders-optimized flu vaccine on human subjects. Factual · May 2020	Biosecurity
Mostly true	Factual	May 2020	Very often the first several solutions tested on humans are not ideal and lead to other solutions that also take a few years to develop and test. Factual · May 2020	Science and research methods
Resolved true	Factual	May 2020	As of 2020, researchers can simulate how small molecules interact with certain virtual or human proteins. Factual · May 2020	Science and research methods
Mostly true	Factual	May 2020	Argonne National Lab used five of the world's most powerful supercomputers to narrow a billion molecules to a few thousand in the search for Covid-19 antivirals. Factual · May 2020	Science and research methods
Mixed	Factual	May 2020	The current method for testing the few treatments that are tried organizes a few hundred human subjects and tests them over about a year and a half, at a cost of hundreds of millions of dollars. Factual · May 2020	Science and research methods
Mostly false	Prediction	May 2020	Within several years all vaccine and medication development could be done by combining AI with biotechnology. Prediction · May 2020	Science and research methods
Mostly true	Factual	May 2020	In 2019 researchers at Flinders University in Adelaide created a turbo-charged flu vaccine partly using an AI biology simulator that found drugs activating the human immune system. Factual · May 2020	Biosecurity
Mostly true	Factual	May 2020	AI and biotechnology can already be used to shorten the development time of a Covid-19 vaccine. Factual · May 2020	Science and research methods
Resolved true	Factual	May 2020	The actual number of theoretical drug possibilities is in the trillions. Factual · May 2020	Science and research methods
Resolved true	Factual	15 Mar 2017	Kurzweil says that connecting computers to human brains and the cloud is not just a future scenario but already exists in part today. Factual · 15 Mar 2017	AI capabilities
Resolved true	Factual	Mar 2017	It took decades before multi-layer neural nets demonstrated that Rosenblatt's view on layered perceptrons was right. Factual · Mar 2017	AI capabilities
Mostly true	Factual	Mar 2017	The neocortex, a layer covering the brain, emerged in mammals two hundred million years ago and is organized as a hierarchy of modules. Factual · Mar 2017	AI capabilities
Mixed	Factual	Mar 2017	In recent years Minsky lamented the 'success' of his book and had become respectful of recent gains in neural net technology. Factual · Mar 2017	AI capabilities
Mostly false	Factual	Mar 2017	The average job today (as of 2017) pays 11 times as much per hour in constant dollars as it did a century ago. Factual · Mar 2017	AI, the economy and work
Mostly true	Factual	Mar 2017	Ray Kurzweil said he visited Rosenblatt in 1962 when he was 14. Factual · Mar 2017	Their own work or organisation
Mostly true	Factual	Mar 2017	Minsky and Papert's book Perceptrons proved a theorem that perceptrons cannot distinguish connected from disconnected figures. Factual · Mar 2017	AI capabilities
Mostly true	Factual	Mar 2017	The perceptron machine Rosenblatt showed Kurzweil in 1962 could not perform any of the things that, as Dormehl recounts, had been claimed at the time and ridiculed. Factual · Mar 2017	AI capabilities
Mixed	Factual	Mar 2017	For every job that was eliminated, several new ones were invented, with the work force growing from 24 million people (31 percent of the population) in 1900 to 142 million (44 percent of the population) in 2015. Factual · Mar 2017	AI, the economy and work
Mostly false	Prediction	3 Jun 2015	Kurzweil predicted that humans will gradually merge with technology and enhance themselves. Prediction · 3 Jun 2015	AI timelines and forecasting
Resolved true	Factual	Oct 2005	New technologies such as RNA interference are promising and could be harnessed against viral threats. Factual · Oct 2005	Biosecurity
Resolved true	Factual	Oct 2005	Analyses have shown that detonating an atomic bomb in a modern city could kill as many as 1 million people. Factual · Oct 2005	Other global risks
Resolved true	Factual	Oct 2005	In a 2005 New York Times opinion piece, Ray Kurzweil and Bill Joy discussed serious decisions facing those who control powerful technological and scientific data, know-how and instrumentation. Factual · Oct 2005	AI policy and governance
Mostly true	Factual	12 Dec 2002	We do not see extraterrestrial civilizations and have no indication of their existence, a challenge known as the Fermi paradox. Factual · 12 Dec 2002	Science and research methods
Resolved true	Prediction	12 Dec 2002	Ten or 15 years after 2002, computing will move to three-dimensional circuits as integrated circuits run out of steam. Prediction · 12 Dec 2002	AI compute, hardware and data
Mostly true	Factual	12 Dec 2002	Genome scanning speed doubled every year during the Human Genome Project, and most of the work was done in the project's last year. Factual · 12 Dec 2002	Science and research methods
Resolved true	Factual	12 Dec 2002	The uncompressed human genome contains about 800 million bytes. Factual · 12 Dec 2002	Science and research methods
Mostly true	Factual	12 Dec 2002	There is progress in software, though its doubling factor is much slower than hardware's. Factual · 12 Dec 2002	AI capabilities
Resolved true	Factual	12 Dec 2002	Moore's Law (shrinking transistors on integrated circuits) was the fifth paradigm, not the first, to provide exponential growth in computing. Factual · 12 Dec 2002	AI compute, hardware and data
Mostly true	Factual	12 Dec 2002	Faster-than-light effects seen in quantum disentanglement experiments transmit quantum randomness rather than information. Factual · 12 Dec 2002	Science and research methods
Resolved true	Factual	12 Dec 2002	Kurzweil estimates the brain's information content at thousands of trillions of bytes, millions of times greater than the genome. Factual · 12 Dec 2002	Science and research methods
Mostly false	Prediction	Jan 2001	Computers will be able to read on their own, understanding and modeling what they read, by the second decade of the 21st century. Prediction · Jan 2001	AI capabilities
Mostly false	Factual	Jan 2001	A personal computer can download fully trained speech-recognition patterns in seconds without repeating the training process. Factual · Jan 2001	AI capabilities
Mostly false	Prediction	Jan 2001	Supercomputers will achieve one human brain's capacity by 2010, and personal computers by around 2020. Prediction · Jan 2001	AI timelines and forecasting
Mostly false	Prediction	Jan 2001	Exponential-outlook views of the economy will prevail gradually over the next several years, producing a strong continuing updraft for the stock market. Prediction · Jan 2001	Economics and markets
Mostly false	Factual	Jan 2001	The fifteen-year human genome project was completed slightly ahead of schedule. Factual · Jan 2001	Science and research methods
Mostly true	Factual	Jan 2001	A computer can remember billions or trillions of facts perfectly, while humans struggle to remember a handful of phone numbers. Factual · Jan 2001	AI compute, hardware and data
Resolved true	Prediction	Jan 2001	Within a couple of decades of 2001, the computational power to emulate the human brain will be available. Prediction · Jan 2001	AI timelines and forecasting
Resolved false	Factual	Jan 2001	The projections being discussed assume a fixed rate of growth of 3.5% per year for the next fifty years. Factual · Jan 2001	Economics and markets
Mostly false	Prediction	2001	By the end of the decade (the 2000s), full immersion visual-auditory environments will be available, with images written onto the retinas by eyeglasses and contact lenses. Prediction · 2001	Technology
Resolved false	Prediction	2001	Within ten years of 2001, biotechnology advances will add more than a year of life expectancy every year. Prediction · 2001	Science and research methods
Mostly false	Factual	23 Oct 2000	Damage from self-replicating software is much less than one-tenth of 1 percent of the benefit received from computers and communication links. Factual · 23 Oct 2000	Technology
Mixed	Factual	23 Oct 2000	The 'immune system' that evolved in response to computer viruses has been largely effective. Factual · 23 Oct 2000	Technology
Resolved true	Factual	23 Oct 2000	Many long-range forecasts of technical feasibility dramatically underestimate the power of future technology because they rest on what the speaker calls the 'intuitive linear' view of technological progress rather than the 'historical exponential view'. Factual · 23 Oct 2000	AI timelines and forecasting
Mostly true	Factual	23 Oct 2000	The law of accelerating returns is based on a model of diverse technological processes that Kurzweil has developed over the past couple of decades. Factual · 23 Oct 2000	AI timelines and forecasting
Resolved true	Factual	23 Oct 2000	Substantial portions of humanity still live precarious, fragile existences. Factual · 23 Oct 2000	Philosophy, ethics and society
Mostly false	Factual	23 Oct 2000	The rate of paradigm shifts is currently doubling approximately every decade. Factual · 23 Oct 2000	AI timelines and forecasting
Resolved true	Factual	23 Oct 2000	Ray Kurzweil played a role in bringing the dangers of self-replicating technologies to Bill Joy's attention. Factual · 23 Oct 2000	Their own work or organisation
Resolved true	Factual	23 Oct 2000	Kurzweil's 'law of accelerating returns' does not rely merely on assuming Moore's Law continues. Factual · 23 Oct 2000	AI timelines and forecasting
Mostly true	Factual	23 Oct 2000	Examining technology data in many ways and time scales shows at least double exponential growth. Factual · 23 Oct 2000	AI timelines and forecasting
Mostly false	Factual	23 Oct 2000	The history of technology shows technological change is at least exponential. Factual · 23 Oct 2000	AI timelines and forecasting

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Ray Kurzweil

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Factual Other global risks

“Eighty years ago, we had 100 million people die in Europe and Asia through World War II.”

Ray Kurzweil, interviewee 29 March 2024 The Future Is Nearer with Ray Kurzweil (Nob Hill Gazette)

Eighty years ago, 100 million people died in Europe and Asia in World War II.

Mostly true True in substance, wrong in a detail.

What would count as true or false

The claim: about 80 years before March 2024 (i.e. WWII, 1939–45, which fits '80 years ago'), around 100 million people died in Europe and Asia in World War II. Standard historical estimates of total WWII deaths, military and civilian including war-related famine and disease, are the yardstick. True: credible estimates put the total at about 80–110 million. Mostly true: estimates are about 70–80 million, which matches the common 70–85 million range, so 100 million is a modest overstatement; or 100 million is reached only by including deaths outside Europe and Asia or after-effects at the top of the estimate range. Mostly false: mainstream estimates are clearly well below 100 million (e.g. 60–70 million is the consensus) and 100 million is an outlier figure. False: deaths were far below this (e.g. under 50 million).

Evidence

Research Starters: Worldwide Deaths in World War II The National WWII Museum | New Orleans
“*Worldwide casualty estimates vary widely in several sources. The number of civilian deaths in China alone might well be more than 50,000,000.”
Second World War: deaths per country 1939-1945 | Statista Statista · 4 April 2022
“Estimates for the total death count of the Second World War generally range somewhere between 70 and 85 million people.”
World War II casualties Wikipedia · 5 June 2003
“An estimated total of 60–75 million deaths were caused by the conflict, including those who died from deprivation, famine and disease.”
World War II casualties Wikipedia · 5 June 2003
“Deaths directly caused by the war (including military and civilian fatalities) are estimated at 50–56 million, with an additional estimated 19–28 million deaths from war-related disease and famine.”
World War 2 Deaths — How Many People Died in WWII DeathVault (Furiosa Studio) · 30 May 2026
“An estimated 70 to 85 million people died in World War 2 — about 3% of the world's population.”

Reasoning

Statista puts estimates of total WWII deaths at about 70–85 million [E4]. Wikipedia gives a total of 60–75 million, including deaths from deprivation, famine and disease [E5]. It also breaks this down as 50–56 million direct deaths plus 19–28 million from war-related disease and famine, which together come to roughly 69–84 million [E6]. The National WWII Museum notes that estimates vary widely and that civilian deaths in China alone may have exceeded 50 million [E2]. The 100 million figure is above the common 70–85 million range, so under the criteria it counts as a modest overstatement.

Cite this claim

Ray Kurzweil, “Eighty years ago, 100 million people died in Europe and Asia in World War II.” (said 29 March 2024). Verdict: mostly true. Reliability API, claim c_2a9d4dd239c7, method 0.1.0+28da144b. https://epistacklabs.com/claims/c_2a9d4dd239c7

Claims without a verdict

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