Arif came to Hong Kong seeking asylum because he says he was tortured in his native Bangladesh.

Home is a corrugated iron hut on the Chinese border.

The government pays the rent and gives Arif and his family $116 a month to live on.

(SOUNDBITE) (English) ARIF, 27-YEAR-OLD TORTURE CLAIMANT FROM BANGLADESH, SAYING:

"We have no future here, we have no life here. Four years asylum in Hong Kong, what did I do? Nothing. Just sleeping at home. So we're just finishing, wasting our life here."

A new United Nations report says more than 45.2 million people were displaced at the end of last year.

It's the highest number in 18 years.

The majority - nearly 30 million - are those forced to flee their homes to what they hope are safer areas within their own countries.

The UN's High Commissioner for Refugees says wars like that underway in Syria are the main cause.

(SOUNDBITE) (English) UN HIGH COMMISSIONER ANTÓNIO GUTERRES SAYING:

"I have no