most penis size studies that claim the average is 5.2 are wrong. Some studies were done only on men with erectile disfuncion, others were done on poor countries where most of the population is malnourished and didn't develop properly, and some have just plain wrong data.

the average for a healthy western man is actualy 6 inches
it's over for dicklets

https://www.reddit.com/r/penissizereality/comments/qai1tj/the_most_commonly_cited_penis_size_studies_are/