A look at what countries attending an international donor conference in London on Thursday are pledging to help the millions of Syrians displaced by civil war and neighboring countries struggling with the refugee crisis.

The U.N. and regional countries say they need $9 billion in assistance for 2016 alone. Past aid conferences for Syria have failed to deliver — last year's raised just half of its target.

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BRITAIN

The U.K. announced that it will commit 1.2 billion pounds ($1.75 billion) in new aid to be delivered over the next four years. The pledge takes the total British contribution since 2011 to 2.3 billion pounds.

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GERMANY

Germany has pledged 2.3 billion euros ($2.5 billion) in humanitarian aid for Syria through 2018, including 1.2 billion euros this year.

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UNITED STATES

The U.S. says it will contribute about $925 million, with around $600 million going to life-saving assistance such as food and shelter for Syrians. The rest will support education in Jordan and Lebanon, including for almost 300,000 Syrian refugees.