Recently in the United States a study has been made based on a survey of 600 men between 19 to 30 years of age. They measured and studied the men by measuring their penis’ length and girth. In this site you can find all the information you need to know on the survey that was done. Also you can find the results presented in several graphs showing information. In the first graph showed in this site you can see the percentage of men as a function of the length in inches, showing the results obtained from the 600 men surveyed. You can find other statistical charts that show the penis length by age, comparison between ethnics and also a girth chart. All the results that were obtained in the survey are in charts and then thoroughly explained beneath each chart. Also the reasons for the results obtained are also explain so that the reader can get further informed on all aspects of this subject.