Ranking of the world's scientific and technological power

The scientific and technological strength of the world's countries are roughly divided into the following five categories: Category 1 for the science and technology powerhouse, only the United States is qualified, and its one country R & D funding accounted for the world's total R & D funding of 1/3; Category 2 for the scientific and technological powers, such as Japan, France, Germany, the United Kingdom, and so on, of which Japan's scientific and technological competitiveness ranked No. 2 in the world, second only to the United States; Category 3 for the medium-sized scientific and technological powers, such as Russia, China, Canada The third category of medium-sized scientific and technological powers, such as Russia, China, Canada, Italy, the Netherlands, Australia, Spain, Sweden, South Korea, Switzerland, Finland, Norway, Denmark, Belgium, Austria, etc., Russia has been reduced to medium-sized scientific and technological powers by the former scientific and technological powers, and there is a trend of developing countries in science and technology continue to decline; the fourth category for the "scientific and technological developing countries", such as India, Brazil, etc.; the fifth category for the "scientific and technological underdeveloped countries" (or "scientific and technological weakness"), with most of the African countries in the world, such as Japan, France, Germany, the United Kingdom and so on. "), represented by most African countries.