JS used to be a democratic socialist organisation that promotes the full participation of young people in society. Since 2007 however, the JS has adapted social democracy as their ideology, calling for "a peaceful and just world with happy and committed people."
The JS has a very diverse and active memberbase and is entirely run by young people. They organise trainings on different topics ranging from intercultural learning, European integration, human rights, theater, etc. They have debates, public awareness campaigns and excursions and also publish their own magazine, called Lava.