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Open about our data
Averages, as we gather them
Readers can choose to add their result after finishing. Here is what we do, and do not, know.
Opt-in only
Nothing is added automatically.
No personal details
No name, email or answers attached.
Final score only
Just one number is submitted.
Honesty about sample size
We do not publish an average until enough readers have added their score for it to mean anything. The illustration below shows the shape we expect, not a confirmed figure.
Expected shape of results
Illustration onlyThis is an illustration, not real collected data.
Age by age: what to expect
There is no collected data yet, so this table is an editorial estimate written by the site author, not a measured result and not a research finding. It shows the mental-age range you might reasonably expect at each real age, given how the quiz is scored.
Estimated range by real age
Editorial estimate · not collected data| Real age | Expected range | Why |
|---|---|---|
| Under 18 | 14 – 24 | Spontaneous answers dominate; school life and few responsibilities pull the number down. |
| 18 – 24 | 20 – 32 | A wide spread: some are already running a household or a business, others still live for last-minute plans. |
| 25 – 34 | 26 – 38 | Money, work and routine questions start to apply to most people, so answers settle. |
| 35 – 44 | 32 – 44 | Responsibilities and body questions (sleep, knees, energy) tend to push the number up. |
| 45 – 59 | 36 – 50 | Settled routines are common, but plenty of people in this group stay spontaneous. |
| 60 and over | 38 – 56 | Settled habits are common, but plenty of people in this group stay playful and answer younger. |
What the scoring itself tells us
These facts come from the 100 questions and the age value behind each option. They are calculated, not collected from readers.
- Picking the first option on every question gives 11. Picking the second every time gives 22, the third gives 36, and the fourth gives 55.
- So with the current questions, results fall between 11 and 55. The bands in the guide run from 8 to 75 to leave room, but the ends of that range cannot be reached.
- If someone picked every answer completely at random, the expected result would be about 31. That is why the illustration above is centred near 31. It describes the scoring, not real readers.
Real collected scores
Not enough scores have been added yet for a real average to mean anything, so none is shown. This section will fill in automatically once the sample is large enough (100 scores). Only the final number is collected, never the reader's real age.
How a data point gets added
After finishing the test, you're given the option to add your score to this page. It's opt-in, not automatic.
Finish the test
Answer all the questions and see your full result. You can stop here and nothing is shared.
Choose to add your score
You are offered the option to add your score. You can decline and still see your full result.
Only the number is sent
Only the final number is submitted, with no name, email, or answer-by-answer breakdown attached to it.
Why age and result rarely match
The questions ask about habits and instincts, not birthdays. A 19-year-old with a strict routine can score higher than a 40-year-old who still stays up for sunrise on a whim. That gap is the point of the test, not a flaw in it.
What we'll publish once there's enough data
Once the sample is large enough to be meaningful, this page will show a real distribution instead of the illustration, along with:
- The sample size behind it
- How often it's updated
Quick questions
Is the chart above real data?
No. It is an illustration of the shape we expect. We will replace it with a real distribution once enough readers have added their score.
Do I have to add my score?
No. It is completely optional. You can decline and still see your full result.
What information is submitted if I add my score?
Only the final number. No name, email, or answer-by-answer breakdown is attached to it. For more detail, read our Privacy Policy.
Sources and further reading
- Rubin, D. C. and Berntsen, D. (2006). People over forty feel 20% younger than their age: Subjective age across the lifespan. Psychonomic Bulletin & Review, 13, 776–780. Background on how old people feel compared with their birthday; it is not the source of the table above.
- Binet, A. and Simon, T. (1905, 1908); Stern, W. (1912); Terman, L. (1916). The origin of “mental age” in intelligence testing for children. See What is mental age?
- This site's own scoring method: the age guide.
Ready to find your own number?
Take the test, or read the age guide to see how scores are worked out.
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