Japan has the highest IQ in the world. The reason is very interesting because it has been studied for several decades. In a 1982 article from The Washington Post, it was mentioned that 77% of Japanese children have higher IQs compared to American or European children.

Taiwan ranks as one of the countries with the highest IQ in the world due to their highly advanced education system with infrastructure that emphasizes the development of core intellect.

The following is the translation of the given 'Bahasa' text to 'English' while preserving the HTML tags: Website of the Ministry of Education Singapore outlines their efforts to build a strong foundation in literacy and numeracy to prepare students as competitive participants in the real world.

With a literacy rate of 93.5%, Hong Kong's education system is one of the best in the world. The quality of life and their dietary habits also contribute to ensuring that the people in this country have a high IQ.

China has a literacy rate of 96.36%, which means that the Chinese education system invests heavily in students and rigorous educational materials.

The strictness and competition within the education system in South Korea put a lot of pressure on students. They have to excel in all subjects and their society has a literacy rate of 97.97%.

With a literacy rate reaching 99.72%, Belarus is classified as one of the smartest countries in the world. The population of Belarus has experienced development in critical thinking skills and analytical abilities by prioritizing science, especially physics, mathematics, and chemistry, as the main foundation.

The literacy rate in Finland reaches 100%, reflecting the Finnish education system and the country's emphasis on education and student achievement. The Finnish education system ensures that all students have the necessary access to meet their educational needs.

This small country may be small in size, but its education system is strong. And that is evident as the literacy rate in Liechtenstein reaches 100%.

Germany has a literacy rate of 99%, which means the German government emphasizes ensuring that all students receive quality education.

The following is the translation of the given 'Bahasa' text to 'English' while preserving any html tags: "The Netherlands is one of the smartest countries in the world but also known for having some of the best schools in the world. All children are provided with quality education evenly, ensuring maximum preparation when they enter the University, with teachers who have been equipped with the best research for optimal teaching methods."

Children in Estonia start school at the age of seven, but there is an option to start preschool at the age of three. Estonia emphasizes mathematics and science, in particular, to advance STEM subjects in order to qualify for a career in STEM fields.