From Commander Kinsey@21:1/5 to All on Mon Jan 3 14:17:26 2022
"In some US jurisdictions, margarine must have a minimum fat content of 80 percent (with a maximum of 16% water) to be labelled as such"
from https://en.wikipedia.org/wiki/Margarine
The same appears to be true in the UK.
For goodness sake everyone just calls it margarine.