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

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。

The data was still being processed at the census office.

资料仍在人口普查局进行处理。

The poverty rate for Americans aged over 65 is 8.7% according to the Census Bureau.

美国人口普查局（Census Bureau）的数据显示，美国65岁以上老年人口的贫困率为8.7%。

Evidence comes from a little-noticed survey published by the US Census Bureau in September.

美国人口普查局（US Census Bureau）2013年9月发布的一项调查为这一观点提供了证明，不过没引起多少关注。

Who the U.S. Census Bureau designated "colored" or "black" varied, too, before and after slavery, and at times including subcategories for people of mixed race, all details often left up to the whims of the census taker.

在奴隶制废除之前和之后，美国人口普查局（U.S.Census Bureau）认定的“有色人种”和“黑人”也各不相同，有些时期还包括针对混血儿的小类，所有细微之处往往是由人口普查员随意决定的。

The Census Bureau has a program that permits elected officials to challenge the numbers, but it does not apply to changing the districts or the seats in Congress.

人口普查局（Census Bureau）有一个项目，允许民选官员质疑这些数字，但它无法改变选区或国会席位。

Nicholas Jones is a Census Bureau official.

尼古拉斯·琼斯（Nicholas Jones）是人口普查局的官员。

Of course, women in general are starting families later than they did in the past, using the extra years to finish their education or build a career, the Census Bureau says.

当然，据美国人口普查局（Census Bureau）称，现在女性组建家庭的时间一般比过去晚，她们用更多时间来完成教育或开创事业。

The United States Census Bureau does not expect that to happen until March.

美国人口普查局预计到明年三月才会达到这一数字。