Is your nationality one of Japan's working holiday partners?
As at April 2026 there were 32: Argentina, Australia, Austria, Canada, Chile, Czechia, Denmark, Estonia, Finland, France, Germany, Hong Kong, Hungary, Iceland, Ireland, Italy, Korea, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, New Zealand, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Taiwan, the United Kingdom and Uruguay. The list grows (Italy joined on 1 April 2026), so the Japanese embassy for your country is the definitive answer.