What are the main industries of the top 3 countries by GDP and GDP per capita?

As of 2023, the top three countries by GDP are the United States, China, and Japan. The U.S. has a diverse economy with strong industries in technology, finance, healthcare, and consumer goods. China’s economy is primarily driven by manufacturing, technology, and exports, while Japan's key industries include automotive, electronics, and robotics. In terms of GDP per capita, Luxembourg, Switzerland, and Ireland lead, with major sectors such as finance, technology, and pharmaceuticals contributing significantly to their wealth.