From AlJazeera. Any opinions expressed are those of the authors, and do not necessarily reflect the views of Iraq Business News.
Many Syrians are also seeking refuge in Iraq.
About a thousand refugees cross into the country's Kurdish region every day through official border crossings.
But many more are using dangerous routes to transport essential supplies.
The Kurdish regional government is allowing it, even though it goes against the policy of Iraq's federal government.
Omar Al Saleh reports from Erbil: