How To Know If Your Penis Size Is Normal And What Science Says About Whether It Matters The average length and girth of a penis is shorter than many of us think. So, our analysis of penis size data comprises 142 countries based on multiple data source and was mainly oriented by Veale et al. (2014) and Lynn's (2013) comprehensive scientific studies. When comparing these datasets, measurement methods vary considerably between studies. Many people worry that their penis is not big enough, but that may not be the case. Here, see what research says about the average penis size. The average penis size is not nearly as big as many people think it is! A 2020 review of research on penis size found that the average length of an erect penis is between 5.1 inches and 5.5...
