Sheikh Sabah Khaled Al-Sabah told reporters Kuwait would host the meeting at the request of UN chief Ban Ki-moon but that timing was still being worked out.
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The Gulf state has hosted previous such conferences in the past two years which saw pledges of around $4 billion in aid, including $800 million from Kuwait.
But UN humanitarian agencies have complained that many donors have not followed through on pledges, forcing them to cut assistance to millions of Syrians.
A team made up of representatives of the biggest 15 donor states will meet by the end of January to review compliance on pledges, Sheikh Sabah said.