Australia is proposing some of the toughest citizenship stripping laws in the world as it steps up efforts to curb extremist attacks - but the proposed law could run into significant legal hurdles
Last month's epic cave rescue has drawn attention to the issue of statelessness in Thailand - a crisis the country is trying to resolve urgently, especially for stateless children.
There are at least 400,000 stateless people living in Thailand – many of them young, like Adul. Here's what their lives are like.
For many years, statelessness in Madagascar was spurred by racial and gender discrimination.