You can't just use percentages for this kind of thing.

Barring a very good cause that the vast majority of the population can get behind, there will be riots when the bananas and coffee disappear.

We grow enough in our garden that I could probably reach "100%" pretty easily if shit hit the fan, but I'm about tired of eating radish greens right now even that being related to a national crisis.

1. That's almost 20 years old data. 2. That's just calories.

Here's more recent data: https://www.nature.com/articles/s43016-025-01173-4

Appears to me, like neither country is fully self-sufficient.