An interactive map from TargetMap shows certain findings of erect penis length from across the globe. You can see the interactive map here. To see each country’s given statistics just hover over it with your mouse or give it a tap. According to the map, the average erect penis size in Greece is 12,20cm, while the size in Italy and the Scandinavian countries is 15cm. In North America the average erect penis size is 14.2 centimetres, in India the average is 9.3cm and the largest is central and west Africa – particularly in the Democratic Republic of the Congo, who reportedly have an average of 17.9 cm.