Average IQ in Sweden

Based on the UniversalIQTest.com online dataset (Validated / All results)

These are averages from self-selected participants in the UniversalIQTest.com online test (not population IQ).

Use N and 95% CI when comparing; avoid causal conclusions.

See Methodology & limits.

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Mean IQ

101

95% CI: 99.4 to 102.6

Validated / All N

370 / 1,102

Validation rate: 33.6%

p10 / Median (p50) / p90

p10: 81.4

p50: 102

p90: 119.7

Avg time

55:39

Last updated

2026-02-08

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Current view N: 370

IQ distribution in Sweden (p10-p90)

Sweden

85100115

IQ score

IQ breakdowns in Sweden by age, gender, education, and study area

Average IQ in Sweden by age group

Small sample: at least one group has N<50 (estimates are unstable).

Age group table

Age group	Mean IQ	95% CI	N
Senior (66-100)	102.9	96.9 to 108.9	15
Young Adult (19-35)	102.4	99.5 to 105.3	129
Youth (12-18)	99.7	97 to 102.4	103
Adult (36-65)	99.2	96.9 to 101.5	123

Average IQ in Sweden by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	102.3	100.2 to 104.4	210
Female	98.4	96.2 to 100.6	160

Average IQ in Sweden by education level

Small sample: at least one group has N<50 (estimates are unstable).

Education table (largest samples)

Education level	Mean IQ	95% CI	N
Primary or Secondary	100.1	97.9 to 102.3	163
Bachelor	102	98.7 to 105.3	78
Master degree	105.2	101.5 to 108.9	50
Post Secondary	99.3	94.5 to 104.1	39
Short-cycle tertiary	98	92.4 to 103.6	36
Doctorate	106.8	100.8 to 112.8	4

Average IQ in Sweden by study area

Hide small samples (N < 20)

Note: groups with N<20 are hidden by default.

Top study areas in Sweden (N >= 20)

Rank	Study area	Mean IQ	95% CI	N
1	Economics	103.3	100.6 to 106	32
2	Engineering and Technology	101.2	97.6 to 104.8	51
3	No diploma	101.2	98.2 to 104.2	118
4	Medicine and Health	98.6	92.3 to 104.9	23

Data last updated: 2026-02-08 (latest test submission).

Page refreshed: 2026-02-08 22:12:53.334 UTC (site build time).