Japan’s foreign exchange reserves declined in May 2026, falling to USD 1,305.9 billion from USD 1,383.0 billion in April 2026, according to data updated on 4 June 2026.
The decrease of more than USD 77 billion over the month highlights a notable shift in Japan’s external buffers, which are closely watched by global investors and currency markets. While the data release provides the headline figures, it underscores that Japan’s reserve position has weakened compared with the previous month, reducing the size of its financial cushion denominated in foreign assets.
Market participants will be monitoring upcoming releases to see whether May’s move marks the beginning of a broader trend or a temporary adjustment in Japan’s reserve management strategy.