Postal Savings Day

What Is Postal Savings Day?

Every May 2nd is "Postal Savings Day" (郵便貯金の日, Yūbin Chokin no Hi) in Japan. On May 2, 1875, Japan's postal savings system (郵便貯金, yūbin chokin) was established — allowing ordinary citizens to deposit savings through the nationwide postal network rather than relying on private banks that served primarily merchants and businesses. The postal savings system democratized access to formal banking services, providing safe deposit facilities to rural communities and working-class urban households that had previously had no formal savings mechanism.

The Postal Savings System's Democratic Mission

The 1875 postal savings system was designed to bring financial services to Japan's entire population — not merely to merchants and the wealthy who had access to commercial banks. By using the existing postal network (which reached every corner of Japan through the post office system established in 1871), the government could extend savings services to remote rural communities, small farmers, and urban workers who had no relationship with private banking institutions. The system provided a safe, government-backed alternative to keeping savings at home in uncertain conditions.

Postal Savings Bank's Scale

Japan's postal savings system grew into the world's largest savings institution by the late 20th century — at its peak in the 1990s, holding approximately ¥250 trillion in deposits from over 130 million accounts. The enormous accumulation of Japanese household savings in the postal system made it a major institutional investor and a subject of ongoing political controversy about how those funds were used. The privatization of Japan Post in 2007 separated Japan Post Bank (ゆうちょ銀行) from the postal service, creating an independent banking institution from the postal savings legacy.

Fun Facts

• Account books: Japan's traditional postal savings passbooks (通帳, tsūchō) — small booklets recording deposits and withdrawals — have been supplemented by digital banking but remain widely used by older Japanese who prefer the physical record of their savings history.
• ATM network: Japan Post Bank's ATM network — located at post offices across the country — provides one of Japan's most geographically comprehensive cash access networks, reaching rural areas and small towns where commercial bank ATMs may not be available.