If anything, I think they've probably decreased ("shrinkflation").
Not in the US. See "portion distortion".
https://pmc.ncbi.nlm.nih.gov/articles/PMC1447051/
https://pmc.ncbi.nlm.nih.gov/articles/PMC8667835/
Edit: hamburgers and hotdogs are pretty standardized though
Not in the US. See "portion distortion".
https://pmc.ncbi.nlm.nih.gov/articles/PMC1447051/
https://pmc.ncbi.nlm.nih.gov/articles/PMC8667835/
Edit: hamburgers and hotdogs are pretty standardized though