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

100.9

95% CI: 99.4 to 102.4

Validated / All N

406 / 1,185

Validation rate: 34.3%

p10 / Median (p50) / p90

p10: 81.2

p50: 101.9

p90: 120.4

Avg time

51:49

Last updated

2026-03-06

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Current view N: 406

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)	103.5	97.7 to 109.3	14
Young Adult (19-35)	102.4	99.6 to 105.2	143
Youth (12-18)	99.9	97.1 to 102.7	109
Adult (36-65)	99	96.9 to 101.1	140

Average IQ in Sweden by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	102.2	100.2 to 104.2	237
Female	98.6	96.5 to 100.7	167

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	100.3	98.1 to 102.5	178
Bachelor	101.5	98.4 to 104.6	86
Master degree	105.1	101.8 to 108.4	55
Post Secondary	99.7	96.1 to 103.3	44
Short-cycle tertiary	97.4	91.9 to 102.9	39
Doctorate	106.7	100.8 to 112.6	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	102.8	100.1 to 105.5	35
2	No diploma	101.6	98.9 to 104.3	135
3	Engineering and Technology	100.8	97 to 104.6	54
4	Medicine and Health	99.2	93.3 to 105.1	25

Data last updated: 2026-03-06 (latest test submission).

Page refreshed: 2026-03-07 14:13:55.690 UTC (site build time).