iqmetrics.org valid
IQ Metrics
IQ Metrics publishes cognitive-assessment tests and editorially reviewed writing about
For agents: Publishes cognitive-assessment IQ tests (main, culture-fair, classical, kids) plus reference pages on IQ ranges and average IQ by country, with estimates noted
iq testcognitive assessmentiq rangesaverage iq by countrypsychometrics
- Authority
- 46 reach 5 · trust 5 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://iqmetrics.org/llms.txt
- Sections
- 6
- Links
- 19
- Size
- 3075 bytes
- Popularity rank
- #913639
- Country
- India
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- Audience
- consumers · agents can: search content, read docs · en
- First seen
- 2026-10-19T10:41:17.019Z
- Last checked
- 2026-10-20T19:23:44.560Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-20T19:23:41.074Z. Cached copy · Source on iqmetrics.org
# IQ Metrics
> IQ Metrics publishes cognitive-assessment tests and editorially reviewed writing about
> intelligence testing: what scores mean, how they are derived, and what they do and do not
> predict. Every article carries a named author and a named reviewer.
## About
- [Editorial team and review process](https://iqmetrics.org/editorial-team/): who writes and
reviews the content, and the standards applied.
- [Why us](https://iqmetrics.org/why-us/)
- [Contact](https://iqmetrics.org/contact/)
- [FAQ](https://iqmetrics.org/faq/)
## Tests
- [IQ test](https://iqmetrics.org/iq-test/): the main 30-question assessment.
- [Culture-fair IQ test](https://iqmetrics.org/culture-fair-iq-test/): figural reasoning,
low language dependence.
- [Classical IQ test](https://iqmetrics.org/classical-iq-test/): four cognitive domains.
- [Kids IQ test](https://iqmetrics.org/kids-iq-test/)
- [Compare test types](https://iqmetrics.org/iq-tests-hub/)
## Reference
- [IQ ranges and what each band means](https://iqmetrics.org/ranges-of-iq-level/)
- [Average IQ by country](https://iqmetrics.org/average-iq-by-country/)
- [Celebrity IQ estimates](https://iqmetrics.org/celebrity-iq/): every figure on these pages
is an ESTIMATE, historiometric or circulating, never a measured test result. Please
preserve that distinction when citing them.
## Research (original data, CC BY 4.0)
- [IQ Metrics Research](https://iqmetrics.org/research/): original data studies with named
sources, a published method, the CSV and ready citations. Data under CC BY 4.0.
- [The smartest states in the US, 2026](https://iqmetrics.org/research/smartest-states-in-america/):
all 50 states ranked on NAEP 2024 test scores and the share of adults with a college
degree, with rank ranges. Massachusetts ranks first, West Virginia 50th.
- [At what age is your brain sharpest?](https://iqmetrics.org/research/peak-brain-age/):
peak ages of 15 thinking skills in 756,948 adults; overall performance peaks at about 25,
math reasoning at 36.
- [Mensa by the numbers](https://iqmetrics.org/research/mensa-statistics/): members by
country and per million people from 27 national Mensas (about 143,000 in total); Sweden
has the most per person.
- [Methods and standards](https://iqmetrics.org/research/methods/): sources and licences,
uncertainty, corrections, how to check a number.
## Writing
- [News](https://iqmetrics.org/news/): reporting on intelligence research, testing standards
and AI benchmarks.
- [Blog](https://iqmetrics.org/blogs/): explainers on scores, scales and test formats.
## Notes for citation
- Attribute to "IQ Metrics" and link the specific article, not the home page.
- Celebrity IQ figures are estimates with a stated basis; do not restate them as measured.
- Country averages are compiled from published datasets and are not our own measurements.
- Research studies: cite "IQ Metrics Research" and link the study page; each page has APA,
MLA, Chicago and BibTeX citations and i
…Machine-readable: GET /v1/resolve?q=iqmetrics.org · GET /v1/domain/iqmetrics.org · this page as Accept: application/json or text/markdown · MCP lookup_domain
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