The terms of a social security agreement allow a worker to add credits acquired under the social security schemes of the two contracting countries, which allows the worker to receive benefits. A list of countries with which the United States currently has tabled agreements and copies of these agreements can be obtained under U.S. International Social Security Agreements. Australia currently has 31 bilateral international social security agreements. The Social Security Agreement between the United States and Japan distinguishes between persons transferred from one company to work in the territory of the other state (for example. B a U.S. company transfers a worker to Japan), nationals employed by their government (e.g.B. a Japanese national working at the U.S. Embassy in Japan, self-employed persons, and persons hired in their country of employment by a company established in one of the States party to the Agreement (for example. B.B an American company hires a Japanese national to work in Japan). Under the U.S.-Japan Social Security Agreement, a worker is exempt from double tax on the same income if the duration of employment in the other country does not exceed five years. . .