Food Waste in Wales: What the Latest Figures Really Measure
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Wales does not have one single “food waste figure”. The latest official sources measure different parts of the system: WRAP estimated 309,000 tonnes of household food and drink waste in 2021-22, while Welsh Government statistics recorded 163kg of residual household waste per person in 2024-25. Those numbers do not contradict each other because they have different subjects, methods and dates.
The distinction matters whenever a headline says waste has risen or fallen. Before comparing two figures, check what was counted, who produced it, how it was measured and which period it covers.
Food waste in Wales: what the household study measured
WRAP’s Wales study estimated the food and drink discarded by households in 2021-22. It included edible and inedible parts and covered material put into bins or separate food-waste collections, poured down sinks and home composted.
The estimate was 309,000 tonnes, equivalent to 100kg per person or 230kg per household for the year. WRAP classified 75% of that total as edible parts: food that had been intended for people to eat. The associated cost to Welsh households was estimated at £786 million, or £580 for an average household.
These are modelled national estimates, not a weigh-in from every home. They answer a useful question about the scale and composition of household food waste, but they should not be presented as a live total for 2026.
What the latest council statistics measured
The Welsh Government’s latest accredited release covers waste handled by or on behalf of local authorities between April 2024 and March 2025. It reports 1.42 million tonnes of municipal waste and 1.237 million tonnes of household waste.
Municipal waste is broader than household food waste. It includes household materials and some non-household waste collected by councils. Household waste includes food, packaging, paper, glass, textiles, garden material and more.
The release also records 163kg of residual household waste per person, down from 168kg the previous year. Residual means the household waste left after material prepared for reuse, recycling or composting is removed. It is not a synonym for food waste, and separately collected food will generally sit outside that residual figure.
One more tempting shortcut needs care. Organic material made up 36.1% of the material sent for reuse, recycling or composting, but “organic” combines food, green and other compostable waste. It is not a food-only percentage.
A quick test before sharing any waste statistic
- What is the material? Food alone, all household waste, residual waste or municipal waste?
- Where did it come from? Households only, council services or the wider food supply chain?
- What is the unit? A national total, kilograms per person or a percentage of one waste stream?
- What is the period? Do not call a 2021-22 estimate a 2026 measurement.
- How was it produced? A composition study and an administrative collection dataset can illuminate different things without being directly comparable.
That five-question check is more useful than placing the biggest-looking numbers side by side. StatsWales publishes annual municipal data across the full ten-year window from 2015-16 to 2024-25, but any trend drawn from it must use the same measure throughout.
What can a household do first?
Recycling unavoidable scraps is worthwhile, but preventing edible food from reaching the caddy comes first. A small, safe starting point is to choose one item your household often wastes, check what is already in the cupboard or fridge before shopping, then move the item that needs using first to the front.
Date labels have distinct jobs. A use-by date is about safety: official Food Standards Agency guidance says not to eat food after it unless it was cooked or frozen on or before that date and handled according to the guidance. A best-before date is about quality, and food may still be safe after it when stored correctly. Follow the product’s storage, freezing and defrosting instructions rather than relying on a social-media rule.
For autumn produce, our guide to Welsh heritage apples adds the stories behind local varieties. If you want a warming use for vegetables, read the history of cawl. For another plain-English guide to a sustainability statistic, see what active travel means in Wales.
Four Welsh data terms
Official Welsh terminology helps keep the categories separate:
- gwastraff bwyd: food waste.
- gwastraff bwyd o gartrefi: household food waste.
- gwastraff cartrefi: household waste.
- gwastraff gweddilliol: residual waste.
On food labels, the Food Standards Agency’s Welsh guidance uses defnyddio erbyn for “use by” and ar ei orau cyn for “best before”. These are not interchangeable.
Why 29 September matters
The UN General Assembly proclaimed 29 September as the International Day of Awareness of Food Loss and Waste in 2019, and the first observance followed in 2020. FAO identifies 29 September 2026 as the seventh observance. Publishing this guide the day before gives readers a way to interpret the Wales figures rather than repeating a global statistic without context.
The useful conclusion is simple: Wales has credible figures for different waste questions, not one interchangeable score. Name the measure, keep its date attached and compare like with like. Then choose one preventable item to use first this week.
Sources, further reading and image credits
- WRAP: Household Food and Drink Waste in Wales 2021-22
- Welsh Government: Local authority municipal waste management, April 2024 to March 2025
- StatsWales: annual municipal waste management data
- Climate Action Wales: storage and shelf life
- Food Standards Agency: Welsh date-label guidance
- FAO: International Day of Awareness of Food Loss and Waste
- Welsh Government TermCymru: waste terminology
- Feature image: typical household food waste weighed on a kitchen scale, by Wormsandstuff, via Wikimedia Commons, CC0 1.0. Unmodified; the photograph is illustrative and was not taken in Wales.
