Cooperation Norms

Empirical population distributions and percentile tables calculated from 1,410,553 respondents.

💡All assessment reports use Percentile Ranks (0–100th %ile) relative to global population norms.

Population Mean

14.97

Scale: 4–20

Std. Deviation

3.41

Variance: 11.63

Median (P50)

50th Percentile

Skewness

-0.56

Kurtosis: -0.18

Percentile Conversion Table

Percentile Rank	P1	P5	P10	P25 (Q1)	P50 (Median)	P75 (Q3)	P90	P95	P99
Raw Score Threshold	6	9	10	13	15	18	19	20	20

Male (N = 548,799)Mean 14.49 (SD 3.36)

Female (N = 861,754)Mean 15.28 (SD 3.4)

Age 10-17Mean: 13.52 (SD 3.7)

Age 18-24Mean: 14.89 (SD 3.33)

Age 25-34Mean: 15.51 (SD 3.17)

Age 35-49Mean: 15.89 (SD 3.07)

Age 50-64Mean: 16.58 (SD 2.99)

Age 65+Mean: 16.67 (SD 3.26)

Use our interactive percentile calculator to benchmark your score against 1.41 million participants.