World Average IQ Rankings by Country 2026 – South Korea #1, China #2, Japan #3
Intelligence Quotient (IQ) is a fascinating metric that indirectly reflects a nation's education level, nutrition, healthcare environment, and socioeconomic development. While IQ certainly doesn't represent everything about a country, the results from over 1.2 million people worldwide taking the same test offer noteworthy insights.
As of January 1, 2026, the global average IQ rankings by country have been updated. This post summarizes the top 50 countries, analyzes regional characteristics, and draws key implications.
📊 Top 50 Countries by Average IQ (2026)
|
Rank |
Country |
Average
IQ |
|
1 |
South
Korea |
106.97 |
|
2 |
China |
106.48 |
|
3 |
Japan |
106.30 |
|
4 |
Iran |
104.80 |
|
5 |
Australia |
104.45 |
|
6 |
Russia |
103.78 |
|
7 |
Singapore |
103.56 |
|
8 |
Mongolia |
102.61 |
|
9 |
New
Zealand |
102.35 |
|
10 |
Vietnam |
102.26 |
|
11 |
Spain |
102.24 |
|
12 |
Cyprus |
102.12 |
|
13 |
Canada |
102.09 |
|
14 |
United
Kingdom |
101.57 |
|
15 |
Sri
Lanka |
101.22 |
|
16 |
Slovenia |
101.15 |
|
17 |
Belarus |
101.05 |
|
18 |
United
States |
101.04 |
|
19 |
Albania |
101.00 |
|
20 |
Switzerland |
100.84 |
|
21 |
Georgia |
100.35 |
|
22 |
Italy |
100.33 |
|
23 |
Netherlands |
100.27 |
|
24 |
Peru |
100.20 |
|
25 |
Hungary |
100.15 |
|
26 |
Armenia |
100.13 |
|
27 |
France |
100.12 |
|
28 |
Finland |
99.97 |
|
29 |
Portugal |
99.95 |
|
30 |
Lithuania |
99.95 |
|
31 |
Thailand |
99.94 |
|
32 |
Serbia |
99.83 |
|
33 |
Austria |
99.80 |
|
34 |
Belgium |
99.74 |
|
35 |
Malta |
99.68 |
|
36 |
Greece |
99.55 |
|
37 |
Czechia |
99.36 |
|
38 |
Germany |
99.32 |
|
39 |
Croatia |
99.32 |
|
40 |
Poland |
99.14 |
|
41 |
Lebanon |
99.13 |
|
42 |
Estonia |
99.08 |
|
43 |
Latvia |
99.01 |
|
44 |
Romania |
98.88 |
|
45 |
North
Macedonia |
98.88 |
|
46 |
Slovakia |
98.87 |
|
47 |
Luxembourg |
98.75 |
|
48 |
Israel |
98.57 |
|
49 |
Malaysia |
98.51 |
|
50 |
India |
98.44 |
🔍 Key Insights
1. South Korea – World #1 with 106.97
South Korea ranks first globally with 106.97. The country's strong education fever, widespread private tutoring, and equitable public education system are considered major contributing factors. South Korea consistently performs at the top in international assessments like PISA (math, science, reading).
2. Asian Countries Dominate the Top Tier
China (2nd), Japan (3rd), Singapore (7th), and Vietnam (10th) – Asian nations occupy a significant portion of the upper ranks. This reflects the Confucian cultural emphasis on education and competitive entrance examination systems.
3. Europe Shows Wide Variation
European countries display considerable variation. Switzerland (20th, 100.84), Netherlands (23rd, 100.27), and France (27th, 100.12) cluster around 100, while Germany (38th, 99.32) ranks lower than expected.
4. United States – 18th with 101.04
The U.S. ranks 18th with 101.04. Despite having the world's top universities and research institutions, educational inequality and regional disparities appear to drag down the national average.
5. India and Malaysia – Lower Ranks
India and Malaysia rank 49th and 50th with 98.44 and 98.51, respectively. Insufficient educational infrastructure relative to population size and regional disparities are cited as primary reasons.
⚠️ Important Caveats
This data is based on a voluntary online test and is not a nationally representative sample. Factors such as internet accessibility, test participation rates, and linguistic bias may have influenced the results. Therefore, this ranking should be viewed as a reference point rather than an absolute measure of national intelligence.
📈 Implications & Outlook
Correlation Between Education Investment and IQ: Top-ranking countries generally have high government investment in public education.
Nutrition and Healthcare Matter: Early childhood nutrition and healthcare access also significantly impact IQ.
Future Competitiveness: While IQ does not directly predict economic productivity or innovation, it can serve as a useful lens for assessing the quality of human capital.
🧾 Final Verdict
The 2026 average IQ rankings clearly highlight the overwhelming strength of East Asian countries – South Korea, China, and Japan – at the top. This appears to be the result of a combination of robust education systems and sociocultural factors. However, since this data does not represent a nation's overall intelligence or potential, cautious interpretation is advised.
