Education · code 8100
Study reference materials
学習参考教材
Latest CPI
108.2
2026-04 (2020=100)
YoY %
+1.2%
5y change %
+341.6%
“Study reference materials” is a education item tracked in the official Japanese CPI (base year 2020 = 100). As of 2026-04, the index is 108.2 — +1.2% year on year and +341.6% cumulatively over the past 5 years.
Other items in this category
Cram school (elementary)
112.8 · +2.3%
Cram school (high school / yobiko)
126.3 · +3.6%
Cram school (junior high)
110.4 · +1.7%
High school tuition (private)
25.3 · -68.8%
High school tuition (public)
5.5 · 0.0%
Junior college tuition (private)
101.2 · +0.7%
Junior high tuition (private)
107.7 · +1.9%
PTA fee (elementary)
90.6 · -3.1%