On or around october 17th , according to the census bureau ' s population clock , the number of people in the country will hit 300m , up from 200m in 1967 根据人口统计局的人口计量仪测算，在10月17日或此日前后，美国的人口数将突破3亿，与1967年时的2亿相比，更上一层。
This week , the national population clock at the united states census bureau reached 300 million . this is only an estimate - - the next official count is in 2010 本周，美国国家人口统计局的计数钟显示人口达到了3亿。这只是一个估计,官方的下次人口统计时间是在2010年。
Under the pressure from mixed - race americans and their parents , the census bureau changed its rules to allow people to identify themselves by as many as five official racial categories 迫于来自混血美国人及其父母的压力，人口统计局更改了其规定，允许人们根据多达五种官方承认的种族范畴将自己归类。
Brecht said foreign languages are spoken well by only an estimated 11 percent of americans , the rough equivalent of the u . s . census bureau ' s estimate of the nation ' s foreign - born population 布瑞契表示，仅有约11 %的美国人有流利的外语能力，这个数字大约与美国人口统计局所估计在国外出生的美国人口数相当。
