The announcement was made as Japan's Prime Minister Shinzo Abe visited Burma and met with President Thein Sein, the first visit by a Japanese Prime Minister to the country since 1977.
He also had talks with opposition leader Aung San Suu Kyi.
Last year Japan announced the cancellation of $3.4bn debt from Burma, and the latest move will see that all outstanding debt are also erased.
See the full report from the BBC here.