Depression 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

10.6

Scale: 4–20

Std. Deviation

4.06

Variance: 16.48

Median (P50)

50th Percentile

Skewness

0.34

Kurtosis: -0.67

Percentile Conversion Table

Percentile Rank	P1	P5	P10	P25 (Q1)	P50 (Median)	P75 (Q3)	P90	P95	P99
Raw Score Threshold	4	4	5	7	10	14	16	18	20

Male (N = 548,799)Mean 9.94 (SD 3.91)

Female (N = 861,754)Mean 11.03 (SD 4.09)

Age 10-17Mean: 12.21 (SD 4.25)

Age 18-24Mean: 10.63 (SD 3.96)

Age 25-34Mean: 10.11 (SD 3.88)

Age 35-49Mean: 9.56 (SD 3.85)

Age 50-64Mean: 9.13 (SD 3.8)

Age 65+Mean: 9.02 (SD 3.81)

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