Composite indicator
PBC Core Necessities Index (CNI)
Composite of Food & non-alcoholic beverages, Housing & utilities, and Transport — the non-discretionary base of every household budget. 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
+3.67%
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.
107.5
↑ 0.47%
mom
Δ MoM — Month-on-Month change
The percentage point change from month-to-month.
Section 1 - Long-run, % year-on-year
PBC Core Necessities Index (CNI)
Section 2
Basket items inside PBC Core Necessities Index (CNI)
YoY % movement · toggle in the legend
Section 3
What makes up PBC Core Necessities Index (CNI)
Tile size = basket share · colour = YoY change · click a tile to drill
Selected
Click any tile to see its latest reading.
Top riser
Transport
+8.94% y/y
Coolest mover
Food and non alcoholic beverages
+0.86% 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 Core Necessities Index (CNI)
Ribbon width = basket weight share · colour = sign of YoY × direction of MoM (red/orange/blue/green)