The Average IQ of a Cat: How Smart Are Cats Really?
Your cat just knocked a glass off the counter while staring you dead in the eye, and now you're wondering whether that was strategic genius or pure chaos. It's a fair question, and the honest answer is more interesting than a single number. There is no such thing as a average IQ of a cat on the human 100-point scale, because IQ tests were built to compare humans to other humans on language, logic, and abstract reasoning. Point a WAIS at a tabby and you learn nothing except that cats don't fill in bubble sheets.
But "cats can't take an IQ test" is not the same as "cats aren't smart." By the measures animal-cognition researchers actually use, cats are genuinely intelligent: they have around 250 million neurons in the cerebral cortex, they hold procedural memories for a decade, they understand that objects still exist when hidden, and their problem-solving in some tasks is roughly comparable to a human toddler around 2 to 3 years old. So the real question isn't "what's a cat's IQ," it's "what does cat intelligence actually look like when you measure it properly?"
Why "cat IQ" is a category error
A human IQ score is a ranking. It says where you fall relative to other people your age on a battery of verbal and non-verbal tasks, calibrated so the average is 100. Every piece of that depends on comparing like with like. A cat has no reason to care about vocabulary, matrix reasoning, or how fast it can repeat digits backward, so any "IQ" you assign it would be a number with nothing real underneath.
What scientists do instead is test specific cognitive abilities and compare species on those. That's why you'll see cats described as "about as smart as a 2-year-old" rather than "IQ 40." The toddler comparison is a rough analogy for particular skills like object permanence, not a claim that a cat could pass a preschool entrance exam.
Curious how the real 100-point scale works for the species it was actually built for? You can see where you land in about ten minutes.
Ready to discover your IQ?
Take our scientifically designed test and get your score in just a few minutes.
Ready to discover your IQ?
Take our scientifically designed test and get your score in just a few minutes.
How cat intelligence is actually measured
Researchers don't score cats on one test. They probe separate abilities, each with its own experiment. Here's what the literature covers and what cats can do.
| Ability tested | What it measures | How cats perform |
|---|---|---|
| Object permanence | Knowing a hidden object still exists | Reliably pass "visible displacement" (Stage 5); results on invisible displacement are mixed |
| Working memory | Holding info briefly to guide action | Track a hidden object for short delays; performance drops as delay grows |
| Long-term memory | Retaining learned skills | Procedural memories can last 10+ years |
| Problem-solving | Manipulating latches, levers, puzzles | Learn by trial and error (Thorndike's classic puzzle-box work) |
| Social cognition | Reading human cues, names | Recognize their own name and their owner's voice; often choose not to respond |
| Quantity & time sense | Discriminating amounts and durations | Some evidence of basic discrimination; still under-researched |
The pattern across all of it: cats are capable, but they're selective. They demonstrate a skill when it matters to them and stonewall the experiment when it doesn't, which makes clean measurement genuinely hard.
Cats vs. dogs: the neuron debate
This is where cat owners get defensive, so let's be precise about what the science says and doesn't say.
In 2017, neuroscientist Suzana Herculano-Houzel and colleagues counted neurons in the cerebral cortex of several carnivores. The headline result: dogs have roughly 500 to 530 million cortical neurons, while cats have about 250 million. For context, humans have around 16 billion. On raw count, dogs win by roughly two to one.
| Species | Cortical neurons (approx.) |
|---|---|
| Human | ~16 billion |
| Dog | ~500–530 million |
| Raccoon | ~438 million |
| Cat | ~250 million |
| Brown bear | ~250 million |
Herculano-Houzel argues that more cortical neurons plausibly means a richer internal life and more behavioral flexibility. That's a reasonable hypothesis. But it is not proof that dogs are "smarter" in every sense, and here's why the neuron count doesn't settle the debate:
- Neuron count isn't a clean intelligence ladder. By raw numbers a brown bear (~250 million) ties a cat, and a raccoon (~438 million) beats a cat handily, yet few people would rank bears and raccoons as obviously brainier pets. The relationship between neuron count and "smartness" is a live scientific question, not a settled ratio.
- Dogs and cats evolved for different jobs. Dogs were shaped by tens of thousands of years of cooperative living with humans, so they excel at reading us. Cats are largely solitary hunters; their cognition is tuned for tracking, ambush, and spatial memory, not for pleasing a handler.
- Testing favors the cooperative species. Nearly every "dogs beat cats" result relies on animals doing what the experimenter asks. Dogs volunteer. Cats, as the researchers themselves note, tend to freeze or wander off in a lab.
So "dogs have more neurons" is true. "Therefore cats are dumb" does not follow.
The real evidence: what cats can genuinely do
Object permanence. The domestic cat was actually the first non-human species tested for object permanence, and it's still the most studied. Cats reliably pass Stage 5 tasks: show a cat food, hide it behind a box, and the cat searches the right spot. That's the same core skill human infants develop in their first two years. Cats struggle more with "invisible displacement" (where the object is moved while hidden), which is also where human toddlers hit their limit, hence the 2-to-3-year-old comparison.
Memory. Cats form durable procedural memories, learned motor skills and routines that can persist for a decade or more. That's why a cat that learned to open a specific cabinet as a kitten still remembers the trick years later.
Name and voice recognition. A 2019 study led by Atsuko Saito at the University of Tokyo showed cats can distinguish their own name from similar-sounding words. Separate work found cats recognize their owner's voice specifically. The catch, and it's a very on-brand one, is that fewer than 10% of cats in the name study actually got up and moved toward the sound. They know. They just don't feel obligated.
The honest bottom line: cats are hard to test, not dim
The single biggest confound in cat cognition research isn't the cat's brain, it's the cat's cooperation. Saito's team put it bluntly: bring cats into a lab and "they just freeze." Dogs and dolphins are social animals that engage with humans and human cues, so they rack up impressive experimental results. Cats interact with us on their own terms, which means a lot of "cats failed the task" findings may really be "cats declined the task."
That's the fair conclusion as of 2026. Cats are intelligent in the ways that matter for a small solitary predator: sharp memory, solid spatial and object reasoning, and enough social smarts to have thoroughly domesticated us. What they lack is any interest in proving it on demand. So the next time yours nudges a glass off the table while holding eye contact, you can stop wondering. That wasn't stupidity. That was a creature that understands cause, effect, and your attention perfectly well, and simply doesn't care about the consequences.
Frequently asked questions
Q: What is the average IQ of a cat?
A: There isn't one, because IQ is a human scale. IQ tests measure people against other people on language and abstract reasoning, which cats have no reason to engage with. Scientists instead measure specific abilities, and by those measures a cat's problem-solving and object permanence are loosely comparable to a 2-to-3-year-old child.
Q: Are cats smarter than dogs?
A: Not by neuron count, but the comparison is unfair. Dogs have about twice the cortical neurons (~500 million vs. ~250 million) and outperform cats on cooperation-based tasks. But cats evolved as solitary hunters, not human helpers, so most tests are built around behaviors dogs naturally offer and cats naturally refuse.
Q: How many neurons does a cat's brain have?
A: Around 250 million in the cerebral cortex, according to Herculano-Houzel's 2017 study. That's fewer than dogs (~500 million) and raccoons (~438 million), and dwarfed by humans (~16 billion). Neuron count correlates loosely with cognitive flexibility, but it isn't a precise intelligence ranking.
Q: Do cats recognize their owners and their own names?
A: Yes to both. A 2019 University of Tokyo study showed cats distinguish their own name from similar words, and other research shows they recognize their owner's voice. They frequently choose not to respond, which reflects temperament, not a failure to understand.
Q: Why are cats so hard to study scientifically?
A: Because they don't cooperate on cue. Researchers report that cats often freeze or disengage in lab settings, unlike social species such as dogs and dolphins. This makes many "cats can't do X" results ambiguous: the cat may be capable but simply unwilling to participate.
References
- Jardim-Messeder, D., Herculano-Houzel, S., et al. (2017). Dogs Have the Most Neurons, Though Not the Largest Brain: Trade-Off between Body Mass and Number of Neurons in the Cerebral Cortex of Large Carnivoran Species. Frontiers in Neuroanatomy.
- Vitale Shreve, K. R., & Udell, M. A. R. (2015). What's inside your cat's head? A review of cat (Felis silvestris catus) cognition research past, present and future. Animal Cognition.
- Saito, A., et al. (2019). Domestic cats (Felis catus) discriminate their names from other words. Scientific Reports.
- Vanderbilt University (2017). Sorry, Grumpy Cat — Study finds dogs are brainier than cats.
Last updated: July 13, 2026
✨Related Articles
IQ Distribution and Standard Deviation Explained
IQ scores follow a bell curve with a mean of 100 and a standard deviation of 15: about 68% score 85-115, 95% score 70-130, and 99.7% fall between 55 and 145.
Countries With the Highest Average IQ
The highest average IQ estimates cluster in East Asia: Hong Kong, South Korea, China, Japan, Taiwan and Singapore, at roughly 104 to 107. Figures are contested.
What Is the Average IQ in the World?
Every IQ test is normed so its population averages 100, yet cross-country estimates put the global average human IQ around 82 to 90 — here is why they differ.