People I talked to who were to the United Kingdom, France, Belgium, Germany, Norway, Sweden, all said food was much, much more expensive there. This was a few years ago.
In Australia, food was much, much more expensive.
That was in simple dollars at the exchange rate.
In terms of percentage of income, food in Europe, as I recall, is about twice as expensive as in the USA.
Here is an article about food prices in Europe.
https://qz.com/2078132/the-us-spends-far-less-on-food-than-europe-but-thats-changing
Definitely changed after 2021.
US food inflation has been terrible.
Eggs, XL Carrefour Bilbao E2.69 a dozen