找了一下,有专家下的结论似乎美国海外援助占GDP的比例比其它国家少

ZT:

Sarah Kline, head of UK and European Union relations for Oxfam UK, said, ''If you want to compare records, overall the best way to do that is to look at what percentage a country spends as a percentage of its [gross domestic product], and in that sense America has always spent less than most of the other developed countries."