He said he was looking forward to not introducing himself as "a stateless person."

Duman is represented by the refugee and stateless person charity Human Rights for All and a legal team led by Ron Merkel.

The report said asylum seekers, stateless persons, and victims of modern day slavery were the worst effected by the scheme.

They were among the 487,000 stateless persons registered with the Thai government this year, according to the United Nations refugee agency (UNHCR).