A refugee is someone who has been forced to flee his or her country because of:
A refugee has a well-founded fear of persecution for reasons of:
Most likely, they cannot return home or are afraid to do so. War and ethnic, tribal and religious violence are leading causes of refugees fleeing their countries.
Two-thirds of all refugees worldwide come from just five countries: Syria, Afghanistan, South Sudan, Myanmar and Somalia.
Source : (www.unrefugees.org)
A stateless person is someone who is not a citizen of any country. A person can become stateless due to a variety of reasons, including sovereign, legal, technical or administrative decisions or oversights.
Source : (www.hias.org, www.unrefugees.org, www.raptim.org)