A new report by the US census bureau highlights a huge shift towards not just an ageing but an old population, with formidable consequences for rich and poor nations alike.

Every year, Americans spend around$ 200 million dollars on fireworks ( US Census Bureau).

根据美国调查局的数据，每年美国人用在烟火上的花销高达2亿美元呢！

According to figures published last October by the US Census Bureau, American workers who spend most of their time toiling from home rose from 3.6% of the workforce in 2005 to 4.3% in 2010.

根据美国统计局（US Census Bureau）去年十月发布的数据显示，2005年时，在家辛苦工作的人占美国劳动力比重为3.6%，2010年则上升到4.3%。

For this application, the data for the zip codes comes from the US Census Bureau, which provides this and other geographic information freely online.

在这个应用程序中，邮政编码的数据来自美国人口局，美国人口局免费在线提供这些数据和其他地理信息。

More than one in three ( 35 percent) working Americans are millennials, according to a Pew Research Center analysis of US Census Bureau data.

根据皮尤研究中心对美国人口普查局数据的分析，超过三分之一（35%）的美国职场人士是千禧一代。

Would anyone in 1971 really have predicted this, even if they realised – as the US Census Bureau did – that heady population growth was likely for more than 60 years?

1971年真有人（即使他们像美国人口普查局那样，意识到人口快速增长的势头有可能持续逾60年）能够预料到这些么？

The eivilization has improtant significance on development of economics and controlling of growth rate of population.

城市化对于发展经济和控制人口自然增长率有积极意义.

The annual population growth rate over the decade averaged 1.7 percent.

过去10年间,人口的平均每年增长率为1.7%.

Variations in the population growth rate can be divided into three periods.

人口增长比率的变化可以分为三个时期.

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。

Although the name surprised the census man, he pressed on.

尽管这名字使这个人口统计局的人吃了一惊，他还是追问了下去。

The Census Bureau for the first time is giving U.S. households a chance to respond to government surveys over the Internet.

人口统计局首次提供美国家庭网上完成政府调查。

A man from the census bureau was doing a door-to-door survey.

一个人口统计局的人正在挨家挨户地进行人口调查。

The divorce rate often reported by the media is 50 percent, which is based on Census Bureau data.

根据人口统计局的数据，媒体经常报道的离婚率是50%。

According to the US Census Bureau, 26 per cent of the population will be over 50.

美国人口统计局（us census bureau）数据显示，届时26%的埃及人将超过50岁。

But until then, federal law bars the Census Bureau from sharing individual records with any other agency--such as immigration or anti-terrorism officials.

但是后来，联邦法律禁止人口统计局与任何机构分享个人信息——例如移民和反恐官员。

About 9.4% of U.S. workers, or 13.4 million people, worked at least one day at home per week in 2010, compared with 7%, or 9.2 million, in 1997, according to a Census Bureau report cited by theJournal.

《华尔街日报》引用美国人口统计局的报告称，2010年，约9.4%的美国员工，相当于1340万人，每周至少在家工作一天，而在1997年这一比例仅有7%，即920万人。

The data are from the Census Bureau's2006 American Community Survey and the Current Population Survey.

这些数据来源于人口统计局2006年全美社区调查和现阶段的人口普查。

A Study on Families in Which Husband and Wife are Registered in Different Places; A man from the census bureau was doing a door-to-door survey.

北京市海淀区夫妻户口异地家庭调查研究一个人口统计局的人正在挨家挨户地进行人口调查。

The demographic data is based on predicted database from US Bureau of the Census.

另外，人口数据来自美国人口统计局所做的中国人口预测数据。

The Census Bureau says an immigrant enters the country every 31 seconds.

人口普查局说每31秒就有一个移民进入美国。