Housing · code 3101
System bath unit
システムバス
Latest CPI
121.3
2026-04 (2020=100)
YoY %
+4.3%
5y change %
+48.7%
“System bath unit” is a housing item tracked in the official Japanese CPI (base year 2020 = 100). As of 2026-04, the index is 121.3 — +4.3% year on year and +48.7% cumulatively over the past 5 years.