Today, the typical American man marries for the first time when he is 29 years old--well above the historical low of 23 in 1956, but only three years older than in 1890, according to Jonathan Vespa, a Census demographer.

In their thirst for evidence on this issuecommentators seized on the recent report by the Census Bureau, which found that average household income rose by 5.2% in 2015.

渴望获得该问题的证据的评论员们纷纷以人口普查局最新发布的一项报告作为证明。报告显示，美国家庭平均收入在2015年提高了52%。

The US census bureau has led the way in sounding the alarm over the changes.

美国人口普查局率先对此人口老龄化敲响了警钟。

The United States imported$ 440.4 billion worth of Chinese goods last year and exported just$ 121.7 billion to China, according to the Census Bureau.

根据美国人口普查局（Census Bureau）公布的数据，去年，美国从中国进口了总价值4404亿美元的商品，但仅向中国出口了1217亿美元。

In a report on the status of families, the Census Bureau on Tuesday said 13.6% of Americans ages 25 to 34 were living with their parents in 2012, up slightly from 13.4% in 2011.

美国人口普查局（Census Bureau）周二发布的有关家庭状况的报告说，2012年25岁至34岁的美国人中，有13.6%与父母住在一起，略高于2011年的13.4%。

Among the more significant problems with the Census's measure are that.

人口普查局的衡量依据存在的比较严重的问题有。

Median household income in the United States in 2012 was$ 51017, according to Census Department data.

美国人口普查局（Census Department）的数据显示，2012年美国家庭收入中值为51017美元。

More than 75% of commuters travel alone by car, Census data show.

美国人口普查局（Census）数据显示，单独开车上下班的通勤者占75%以上。

The latest US Census Bureau statistics show that textbook prices increased more than 800 per cent from 1978 to 2014, more than triple the cost of inflation and more than the rate of increase of college tuition.

根据美国人口普查局（US Census Bureau）的最新数据，从1978年到2014年，教科书价格上涨幅度超过800%，是通胀速度的3倍多，超过了大学学费的增速。

But the Census data, combined with recent analysis by the Pew Hispanic Center, strongly suggests that fewer foreigners are flocking to the U.S. The industries so dependent on them during boom times are also scaling back.

但人口普查局这份数据以及近期普优西裔研究中心（Pew Hispanic Center）发布的报告都清楚地表明，涌入美国的外国人数量正在不断减少。那些在景气时依赖移民取得发展的行业在眼下也出现了滑坡。

The gap in home ownership between black and white Americans is the widest since records began 16 years ago, according to an analysis of US Census Bureau data.

一项针对美国人口普查局（Census Bureau）数据进行的分析显示，美国黑人和白人的住房拥有率差距创下自16年前开始编制相关数据以来的最高纪录。

But Manhattan today has almost exactly the same Gini: 0.6, according to the US Census Bureau.

但根据美国人口普查局（US Census Bureau）的数据，曼哈顿今天的基尼系数几乎与之完全相同：0.6。

Fewer jobs in construction lured less immigrants from their home countries, especially those from Mexico, according to the Census Bureau's annual American Community Survey.

美国人口普查局（Census Bureau）发布的年度《美国社会调查》显示，建筑业工作岗位的减少使得移民工人、特别是墨西哥工人的流入量有所减少。

A quarter of the President of the United States was the assassin of attacks.

四分之一的美国总统遭到过刺客的攻击。

The nearer a society approximates to zero population growth, the older its population is likely to be.

一个社会的人口增长率越接近零，它的人口年龄就可能越老。

But China repeatedly emphasised its commitment to Africa even as growth slumped below the rate of population expansion.

但即使是在经济增长率大幅降至人口增长率以下的时候，中国仍一再强调对非洲的承诺。

On this basis, the following policy recommendations: ① continued rationalization of the low population growth rate.

在此基础上，提出以下政策建议：①继续保持低水平合理化的人口增长率。

In this paper, a function of a variable population growth rate is integrated into the classical Solow model.

本文在Solow模型框架中引入随时间变动人口增长率函数，并假定人口增长率最终趋于零，证明该模型的解是渐近稳定的，收敛于零人口增长率的经典Solow模型的解。

In addition, China may also consider increase in the population growth rate to ease population aging problem.

此外，我国也可以考虑适当增加人口增长率来缓解养老保险替代率过低的问题。

After a steady increase for5 years, the country's rate of population shows signs of dropping.

在5年的持续增长后，这个国家的人口增长率表现出下降的迹象。

This is where cities expand into rural areas, sometimes at a much faster rate than urban population growth.

也就是城市扩张到农村地区，有时候比城市人口增长率快得多的速度扩张。