The proportion of Americans living on welfare rose.

靠福利生活的美国人的比例上升了。

《柯林斯英汉双解大词典》

13% of Americans are over 65; this number is projected to reach 22% by the year 2030.

13%的美国人在65岁以上；这个数字预计到2030年会达到22%。

《柯林斯英汉双解大词典》

A higher proportion of Americans go on to higher education than is the case in Britain.

美国人上大学的比例大于英国。

《牛津词典》

That is about ninety-five percent of Americans who are not already covered by Medicare, the government insurance program for older people.

VOA: special.2010.03.26

All are extremely important to the diets of Americans and diets anywhere in the world and are very interesting.

它们对美国人的日常饮食都至关重要,甚至对全世界都非常重要,非常有趣

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

For example, the bar to the far left, the grains, shows that 24% of Americans are eating the recommended amount of grains.

比如,最左边一项,谷物摄入,这里显示24%的美国人谷物摄入达标

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

There are millions of Americans who work full time and don't end up paying any income tax.

NPR: Weighing The Impact Of A Possible Tax Rebate

We turn now to stories about two products a lot of Americans worry about: toys and voting machines.

NPR: Local Election Officials Oppose Paper Ballots

That group accounts for half of Americans' population growth over the past five years.

NPR: Latinos Drive U.S. Population Growth