Prices on the shelf, plus what the government takes from you to pay for them.
Every night we check grocery prices in supermarkets in dozens of countries. Each product is compared only with itself — same name, same weight, same unit — so you see how food prices really move in each country, in its own money. Next to that we show how much the government takes on top, in taxes and borrowing, for every 100 that people spend. It is an average, and it doesn't count what you get back, like roads, schools and hospitals. How we work it out
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Dozens of countries and 219 retail chains, scraped every night — from Sweden to Singapore. Coverage varies: some countries rest on one store.
A price is compared only with the identical product — same name, weight and unit. If a pack shrinks it counts as a new product, so the index measures price changes, not shrinkflation. How matching works
Only food. Drink with alcohol, cleaning products, toiletries and pet food are left out by name, though a few other items still slip through in some stores. We throw out price jumps that can't be real, nights when too few prices came in, and known scraper faults. Known limitations
Compare what the same staples and global brands cost — eggs, beef, butter, milk, bananas, Nutella, Coca-Cola and more — at a stated pack size, in US dollars, in up to 45 countries per product. Each country's price comes from one local product, so coverage differs by item.
Prices are never deleted to make the numbers look better. Bad nights and broken scrapes are skipped when the figures are worked out, not removed, so long-run trends stay intact and every skip can be undone. What is never done
Real shelf prices from real stores, not a survey — and every method choice, with its known weaknesses, is published.