* Technology and innovation: Sweden is one of the global leaders in technology and innovation, with world leadership in software development, microelectronics, telecommunication and photonics. Japan is also well developed in technology, with several world-leading technology companies such as Sony, Panasonic and Canon.
* Environmental protection and sustainable development: Sweden is one of the best in the world at sustainable development, with significant progress in areas such as waste management, energy efficiency, renewable energy and climate change. Japan also excels in environmental protection, with leading technologies in solar energy and electric vehicles, for example.
* Military and railroads: Sweden has a well-developed military industry, producing 80% of its own military goods independently. Japan is also very advanced in military and railroads, and its railroad transportation system was once ranked 20th in the world.
* Medical and public health: Sweden has a comprehensive social welfare system and health care system, public health is relatively developed. And Japan's medical technology is also very advanced, especially in cancer treatment and medical device development.
In summary, Sweden and Japan are both developed countries, each with leading advantages in science and technology, innovation, environmental protection, military, railroads, medical care and other fields. The degree of developedness of the two countries is difficult to compare directly and depends on specific measures and areas.