As of March 2025, the Japan Post Group maintained approximately * thousand postboxes throughout Japan, down from about * thousand in the previous fiscal year. The number of postboxes has been steadily decreasing over the years, similar to post offices.
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Japan Post Holdings. (May 15, 2025). Number of postboxes in Japan from fiscal year 2015 to 2024 (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 15, 2026, from /statistics/818792/japan-post-box-numbers/
Japan Post Holdings. "Number of postboxes in Japan from fiscal year 2015 to 2024 (in 1,000s)." Chart. May 15, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 15, 2026. /statistics/818792/japan-post-box-numbers/
Japan Post Holdings. (2025). Number of postboxes in Japan from fiscal year 2015 to 2024 (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 15, 2026. /statistics/818792/japan-post-box-numbers/
Japan Post Holdings. "Number of Postboxes in Japan from Fiscal Year 2015 to 2024 (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 15 May 2025, /statistics/818792/japan-post-box-numbers/
Japan Post Holdings, Number of postboxes in Japan from fiscal year 2015 to 2024 (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/818792/japan-post-box-numbers/ (last visited July 15, 2026)
Number of postboxes in Japan from fiscal year 2015 to 2024 (in 1,000s) [Graph], Japan Post Holdings, May 15, 2025. [Online]. Available: /statistics/818792/japan-post-box-numbers/
