Based on the search results, there is no population for Venus as it is a planet and not a town or city. Venus is the second planet from the Sun and is a rocky planet with the densest atmosphere of all the rocky bodies in the Solar System. It has a weak induced magnetosphere and an especially thick carbon dioxide atmosphere, which creates an extreme greenhouse effect. Venus is often described as Earths "sister" or "twin" as it is similar to Earth in size and mass. Venus has a diameter of 12,103.6 km (7,520.8 mi) and its mass is 81.5% of Earths. Venus has a dense atmosphere composed of 96.5% carbon dioxide, 3.5% nitrogen, and traces of other gases including sulfur dioxide. The mass of its atmosphere is 92 times that of Earths, whereas the pressure at its surface is about 93 times that at Earths. Venus has several times as many volcanoes as Earth, and it has 167 large volcanoes that are over 100 km (60 mi) across.