In the US they are popular because of Kel Tec's P3AT and the knockoff's that followed. In Europe, S.America and certain M.East countries they are popular and have always been so as powerful Military & Police weapons. With the advance of body armor, metallurgic technology and ballistics, Government troops are usually no longer issued the .380. So why do civillians in these countries still like them? Maybe because most Europeans are not ballistic savvy and in Europe the .380 is called 9mm Kurtz so they think it is the same as a 9x19.