What reaction time puts you in the top 43%?

Percentile threshold
262 ms or faster

Averaging 262 ms on a simple visual reaction test puts you ahead of 57% of people — the entry ticket to the top 43%.

Modelling human reaction time as a normal distribution (mean 273 ms, standard deviation 60 ms), the top 43% cutoff works out to 262 ms. One fast click doesn't count — percentiles only mean something for your average across many attempts.

The percentile ladder

To be in the top…You need
Top 1%133 ms or faster
Top 5%174 ms or faster
Top 10%196 ms or faster
Top 25%233 ms or faster
Top 43%262 ms or faster
Top 50%273 ms or faster
Top 75%313 ms or faster
Top 90%350 ms or faster

An achievable target for most healthy adults — this is where a few weeks of short daily practice typically lands people who start from the average.

How to actually reach the top 43%

The path is unglamorous and reliable: 5–10 minutes of reaction practice daily, always warmed up, tracked as a weekly ten-round average. Most people starting near the mean of 273 ms cross this threshold within 4–8 weeks.

The complete training method is in how to improve your reaction time. When you're ready to measure, the reaction time test runs as a best-of-5 duel — averages, not lucky singles.

Nearby percentiles

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Frequently asked questions

How is the top 43% threshold calculated?

From the normal distribution of human visual reaction time (mean 273 ms, SD 60 ms): the 43th-fastest percentile corresponds to 262 ms.

Is one attempt at 262 ms enough to claim top 43%?

No — single attempts swing by 30 ms or more. You're in the top 43% when your average across ten or more attempts is 262 ms or faster.

Does the threshold change with age?

These percentiles cover all adults. Within your own age group the cutoff shifts — a 60-year-old at 262 ms is far more exceptional than a 22-year-old at the same number. See the age pages for the curve.

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