Brazil and Japan have held close diplomatic relations for over a century, starting in 1895 with the signing of the 'treaty of friendship, commerce and navigation' sparked a long lasting relationship leading to a celebration of diplomatic relations, between japan and brazil, for 120 years in 2015.

Immigration has also been a connecting point between the two nations, as Japanese immigrants started moving to brazil at the beginning of the 20th century and includes one of the biggest Japanese populations living abroad - Similarly, the number of Brazilians living in japan make up the third biggest group of Brazilians living overseas.