Eli5 How do people get banned from country’s?

Question

I’ve heard people getting banned from country’s and I want to know what you have to do to get banned and how they know you are banned from that country

In: 0

Answer 1

You get banned by breaking the law or attempting to enter the country illegally. They know that you’re banned because when you apply for a visa or show up without one your info will be flagged and show that you’re banned and you will be denied entry and sent back home.