How Grocery Prices Are Structured in Australia

The shape of the Australian grocery market

In our review of the data, Here’s the catch. The Australian grocery market is highly concentrated. The data shows a small number of major chains account for the bulk of grocery sales:

• Coles and Woolworths — the two largest, together accounting for the majority of supermarket sales nationally
• Aldi — a discount-format chain with substantial and growing share
• IGA / Metcash — independent supermarkets supplied through a wholesale network
• Costco, Foodland, smaller regional chains — additional players with smaller shares
• Specialty and ethnic grocers — meaningful in specific categories and demographics

The Australian Competition and Consumer Commission (ACCC) has investigated competition in the supermarket sector multiple times, including major inquiries in 2024-2025. The findings consistently note the market structure and the limited new-entrant pressure on the dominant chains, alongside variation in pricing, supplier relationships, and category management.

The Australian Bureau of Statistics’ CPI food and non-alcoholic beverages component tracks grocery price movements and is the authoritative source for measured inflation in this category.

What actually goes into a grocery price

Here’s the catch. The price on a supermarket shelf reflects multiple cost layers, in approximate order of stack:

• Production cost — agricultural inputs (seed, feed, water, energy), processing, packaging
• Logistics — transport from producer to distribution centres, warehousing, delivery to stores
• Supplier margin — what the producer or food manufacturer earns above cost
• Wholesale/retail margin — what the supermarket adds before final price
• Promotional adjustments — discounts that may temporarily reduce shelf price during promotions
• GST — applies to most non-fresh-food items; fresh basic foods are GST-free

Interestingly, the data on margin distribution across the supply chain is harder to pin down than headline price changes. ACCC inquiries have published findings on this from time to time, but supermarket profit data is published at the corporate level rather than by category. That’s the key bit.

Categories where supply costs are particularly visible:

• Fresh produce — heavily affected by seasonal weather, drought, flooding
• Meat and dairy — feed costs, weather, herd-cycle effects
• Imported goods — exchange rate effects, shipping costs, international commodity prices
• Packaged goods — energy and packaging cost passthrough from manufacturers

Which categories drive felt grocery inflation

The data on Australian grocery inflation shows different patterns across categories. What stands out is how much category-level variation there’s even when headline grocery CPI is moderate:

• Fresh fruit and vegetables — most volatile, with seasonal weather and natural-disaster impacts producing sharp moves
• Meat and seafood — sustained pricing pressure during feed-cost spikes, with category-specific variations (lamb, beef, chicken move differently)
• Dairy — affected by milk-supply contracts, herd cycles, and processor margins
• Bread, cereals, and grocery staples — usually steadier but can move with grain commodity prices
• Non-food grocery items (cleaning, personal care) — typically driven more by consumer-goods inflation broadly than by food-specific factors

For households with kids, with specific dietary requirements, or who buy heavily within fast-moving categories, personal grocery inflation can run substantially above headline grocery CPI for extended periods. This contributes to the broader felt-vs-reported inflation gap covered in our inflation explainer.

Private label vs name brand

Private label products are supermarket-owned brands. Coles brand, Woolworths Essentials and Homebrand, Aldi-exclusive product lines, IGA’s brands. They’re typically priced 20-50% below equivalent name-brand products in the same category.

The savings come from:

• Lower marketing and advertising costs (no consumer-facing campaigns)
• Simpler packaging
• Direct retailer-supplier relationships without name-brand wholesale margins
• Less price-promotion volatility

The data on quality varies by category. For commodity-style products (sugar, flour, basic dairy, simple cleaning products), private label is often essentially identical to name brand at lower price. For products where formulation, quality, or experience matters more (specific cuisines, premium foods, particular brands of preference), the trade-off becomes more personal. That’s the gist.

What stands out in the household-level data is how much of the gap between high and low grocery spending in similar households is explained by private label penetration. Two households with identical shopping lists can spend meaningfully different amounts depending on private label choices, even before any other behaviour changes.

Shopping patterns and the data

Looking at how Australian households actually shop, the data shows several patterns:

• Multi-store shopping is increasingly common — splitting trips between Aldi (or other discount), Coles/Woolworths (for items not at discount), and specialty stores. Saves money on average but costs time.
• Online ordering has grown substantially, with ranges and prices that often closely match in-store
• Loyalty programs are widely held but variable in actual financial benefit; some produce meaningful savings, others mostly produce data for the retailer
• Promotional cycles are predictable for many high-volume products — strategic shoppers buy on cycle

Generic shopping advice often centres on “shop the perimeter” or “make a list”, but the data suggests two specific patterns produce most of the savings differential between cost-conscious shoppers and others: routine substitution toward private label, and buying high-volume non-perishables in stock-up cycles when promotional prices apply.

The ACCC and food regulation

Three federal bodies sit behind grocery pricing in different ways:

• The Australian Competition and Consumer Commission (ACCC) — investigates competition issues and consumer protection concerns in the supermarket sector
• Food Regulation — covers the food safety and standards regulatory framework administered through Food Standards Australia New Zealand
• ABS — measures and publishes grocery price changes through the CPI

The ACCC’s recent supermarket sector inquiries have published findings around pricing practices, supplier relationships, and category management. The recommendations from these inquiries continue to shape regulatory pressure on the major chains.

The data suggests these inquiries don’t directly affect retail prices in the short term. They shape regulatory direction, supplier protections, and corporate practices over multi-year periods.

Frequently asked questions

Why have grocery prices in Australia risen so much?

Several factors have driven recent grocery price rises: supply chain costs (transport, packaging, energy), domestic agricultural conditions, international commodity prices, and supermarket margin decisions. The ABS CPI shows food prices have grown faster than overall inflation in some recent quarters, with fresh produce, meat, and dairy showing different patterns from packaged goods.

Are Australian supermarkets monopolies?

Not legally, but the market is highly concentrated. Coles and Woolworths together account for the majority of supermarket sales, with Aldi, IGA, and others making up the rest. The ACCC has investigated competition in the supermarket sector multiple times. The structure influences pricing, though the regulatory bodies don’t classify it as monopoly behaviour under Australian competition law.

Do private label brands save money on groceries?

Generally yes. Private label products (Coles brand, Woolworths Essentials, Aldi-exclusive) are typically priced below equivalent name-brand products by 20-50%. The savings come from skipping advertising and brand-marketing costs, plus simpler packaging. Quality varies by category — some private label items are very close to name-brand quality, others noticeably different.

The household-level cost driver most people overlook

The single household-level cost driver that explains most of the gap between high and low grocery spend isn’t shopping smartness in any sophisticated sense — it’s planning. The data on grocery spending consistently shows that households who plan meals, write lists, and shop accordingly spend less than households who shop frequently without planning, even when both shop at the same stores. The financial gap isn’t subtle: it can be 15-25% on weekly grocery spend.

What this looks like in practice is meal-planning for a few days at a time, listing required ingredients, checking what’s already at home, and only buying what’s listed.Households that shop this way also typically waste less food (which is itself a hidden cost. A meaningful share of bought food gets thrown out), and the dual effect compounds over a year into substantial savings.

For broader cost-of-living context, our everyday living expenses article covers how grocery spending fits into total household budget alongside the other major categories.