The United States of America (also referred to as the United States, the U.S., the USA, or America) is a federal constitutional republic comprising fifty states and a federal district. The country is situated mostly in central North America, where its forty-eight contiguous states and Washington, D.C., the capital district, lie between the Pacific and Atlantic Oceans, bordered by Canada to the north and Mexico to the south. At 3.79 million square miles and with over 310 million people, the United States is the third or fourth largest country by total area, and the third largest both by land area and population. It is one of the world’s most ethnically diverse and multicultural nations, the product of large-scale immigration from many countries. The U.S. economy is the world’s largest national economy.

The greatest appeal of studying in Japan is its academic environment where one can study state-of-the-art technology and acquire the knowledge that enabled Japan’s phenomenal postwar economic growth. Japanese universities and other institutes of higher education can offer course studies or research programs of virtually any field. Many institutions of higher education, such as universities and junior colleges, are well equipped with fine research, computer, and library facilities and enable students to carry out their research in an excellent environment.