In a statement, Bieber said that he wants to "take care of my mental health" and thanked his fans for their support.
This comes as a surprise to many, as Bieber had just finished the European leg of his tour.
He is now scheduled to resume the tour in North America in August.
It is not clear at this time what this means for Bieber's future plans.
We will update this story as more information becomes available.
If you or someone you know is struggling with mental health, please reach out to a local resources for help.
In a statement, he said: "I am sorry to everyone who was excited to see me in their city on my Purpose World Tour.
I'm grateful and honored to have shared that experience with all of you."
He added, "I want to be clear that this decision has nothing to do with my career.
I am confident that I will be able to come back stronger than ever and deliver the hits that you guys love."