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

101.1

95% CI: 99.6 to 102.6

Validated / All N

427 / 1,260

Validation rate: 33.9%

p10 / Median (p50) / p90

p10: 81.2

p50: 102

p90: 120.5

Avg time

51:49

Last updated

2026-03-24

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Current view N: 427

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)	103.4	97.6 to 109.2	14
Young Adult (19-35)	102.8	100.2 to 105.4	158
Youth (12-18)	100.1	97.3 to 102.9	114
Adult (36-65)	99.1	97 to 101.2	141

Average IQ in Sweden by gender

Gender table

Gender	Mean IQ	95% CI	N
Male	102.5	100.6 to 104.4	251
Female	98.7	96.7 to 100.7	174

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	100.8	98.7 to 102.9	190
Bachelor	101.3	98.2 to 104.4	88
Master degree	105.1	101.9 to 108.3	56
Post Secondary	99.8	96.6 to 103	47
Short-cycle tertiary	97.5	92.1 to 102.9	40
Doctorate	110.4	99.1 to 121.7	6

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	103.5	101 to 106	37
2	No diploma	102.1	99.5 to 104.7	146
3	Engineering and Technology	100.9	97.3 to 104.5	55
4	Medicine and Health	98.9	94.1 to 103.7	27

Data last updated: 2026-03-24 (latest test submission).

Page refreshed: 2026-03-25 03:57:07.261 UTC (site build time).