Top-10 Countries in the World with Highest IQ in 2025

In 2025, some countries are known for having very high average IQ scores. These scores show how good people are at learning, solving problems and thinking clearly. A high IQ often comes from good education, healthy living and a strong focus on learning. In this article, we will look at the top-10 countries with the highest IQ in the world.

What is IQ?

IQ stands for intelligence Quotient. It is a number that shows how smart a person is IQ tests check how well someone solves problems, understands ideas and uses logic. A high IQ usually means strong thinking skills.

Top-10 Countries in the World with Highest IQ in 2025

In 2025, many countries are known for having high average IQ scores. These scores show how well people solve problems and think clearly. Based on global studies, here are the top-10 countries in the world with the highest IQ, showing strong education and smart thinking:

Japan

Japan ranks first in the world with an average IQ of 106.48. Japanese people are known for their skills in problem-solving and advanced technology. Japan’s education system and strong work ethic help people develop high intelligence levels.

Taiwan

Taiwan comes second, just behind Japan. The country has a smart and hard-working population. Taiwan leads in technology, especially in making semiconductors. The success of Taiwan is strongly linked to the intelligence and education of its people.

Singapore

Singapore is third on the list. The country has an excellent education system that focuses on critical thinking. Students are taught how to solve problems and think deeply. This helps raise the average IQ of the population.

Hong Kong

Hong Kong is known for its high-quality education and top universities. It ranks fourth in the world. One reason for its high IQ might be its healthy diet, especially foods rich in iodine, which helps brain development.

China

China is the fifth-smartest country in the world. China’s fast-growing economy and education system have helped raise the intelligence level of its population. The country valued learning and hard work.

South Korea

South Korea ranks sixth. Education is very important in South Korea society. Students work very hard to score high in exams. This competitive environment pushes people to develop their thinking and problem-solving skills.

Belarus

Belarus is a European country with a strong focus on math, science and logical thinking. The education system helps students become smart thinkers. That’s why the country ranks seventh on the list.

Finland

Finland is a famous for its simple and effective education system. Teachers are highly trained and students learn in a stress-free environment. These factors make Finnish people smart and efficient workers.

Liechtenstein

Liechtenstein is a small country but has a big focus on education and culture. It ranks ninth on the list. People here enjoy good schools, quality healthcare and a strong learning system.

Germany

Germany completes the top -10 list. The country has one of the best education systems and strong support for science and innovation. Good living conditions and proper nutrition also help Germans maintain a high IQ.