Today it's already illegal to give money to a terrorist organization, or to train with terrorists, or to travel to take part in terrorism abroad.
Minister for Home Affairs Morgan Johansson says he hopes to have it be law by next summer.
The draft proposal would criminalize being a member of or associating with groups of violent extremist with a maximum punishment of 6 years in prison.
Sweden's new strategy to fight terrorism3:10 min 3:10 min
Terrorism researcher: Follow the money2:41 min 2:41 min
Swedish Intelligence Service wants to register terrorism supporters2:06 min 2:06 min