Composite indicator
PBC Semi-Essentials Index (SEI)
Composite of Health, Education, and Insurance & financial services — important but with more flexibility than necessities. Weighted by middle-income (Decile 4-7) basket shares.
Jul 2026 ·
year on year
YoY % — Year-on-Year change
The percentage change in a price index compared with the same month one year ago. The standard way to read inflation.
YoYₜ = (valueₜ ÷ valueₜ₋₁₂ − 1) × 100
+5.32%
Index
Index level
The raw CPI reading where the base year (Dec 2021 in South Africa) equals 100. An index of 115 means prices are 15% higher than the base year.
112.1
↓ 0.05%
mom
Δ MoM — Month-on-Month change
The percentage point change from month-to-month.
Section 1 - Long-run, % year-on-year
PBC Semi-Essentials Index (SEI)
Section 2
Basket items inside PBC Semi-Essentials Index (SEI)
YoY % movement · toggle in the legend
Section 3
What makes up PBC Semi-Essentials Index (SEI)
Tile size = basket share · colour = YoY change · click a tile to drill
Selected
Click any tile to see its latest reading.
Top riser
Insurance and financial services
+5.70% y/y
Coolest mover
Health
+3.74% y/y
3 sub-indicators
↑ positive & rising
↓ positive but easing
↔ negative, rising to zero
↓ negative & falling
Section 4
How each basket item contributes to PBC Semi-Essentials Index (SEI)
Ribbon width = basket weight share · colour = sign of YoY × direction of MoM (red/orange/blue/green)