双语新闻：到2100年，美国将变得更老、更多样化
The U.S. Census Bureau is a federal agency that researches information about America's population, housing, and economy.
美国人口普查局是一家研究美国人口、住房和经济信息的联邦机构。
The latest Census Bureau report shows that the U.S. population will decrease with low immigration, and older adults will outnumber children by the end of the century. The report also says that white, non-Hispanic people will account for less than 50 percent of the population.
美国人口普查局的最新报告显示，由于移民减少，美国人口将减少，到本世纪末，老年人的数量将超过儿童。该报告还表示，非西班牙裔白人将占人口的不到50%。
The Census report offers an idea of what the nation may look like in the future. But it cannot predict unexpected events like a worldwide pandemic.
人口普查报告提供了一个关于国家未来可能是什么样子的想法。但它无法预测像全球大流行这样的意外事件。
Paul Ong teaches public affairs at the University of California, Los Angeles. He said such predictions can help the U.S. prepare for change, from health care for old people to the number of schools for the young.
Paul Ong在加州大学洛杉矶分校教授公共事务。他说，这样的预测可以帮助美国为变革做好准备，从老年人的医疗保健到年轻人的学校数量。
"Seeing that possibility also opens up opportunities for action," he said.
“看到这种可能性也为采取行动提供了机会，”他说。
Population changes
人口变化
Population changes caused by birth and deaths are more predictable. They may also be caused by changes in immigration policy. Because of that, the Census Bureau offers three different predictions through the year 2100 based on high, medium, and low immigration.
由出生和死亡引起的人口变化更容易预测。它们也可能是由移民政策的变化引起的。正因为如此，人口普查局根据高、中、低移民提供了到2100年的三种不同的预测。
In all three situations, the U.S. will become older and more diverse. If there is low immigration, the population will decrease; medium or high immigration will increase the population.
在这三种情况下，美国将变得更加老龄化和多样化。如果移民少，人口就会减少;中等或高水平的移民会增加人口。
By 2029, the report estimates that older people will outnumber children, with 71 million people over 65 as compared to 69 million under the age of 18. The aging of the population is important because this will mean fewer workers. An aging population also means more deaths than births.
该报告估计，到2029年，老年人的数量将超过儿童，65岁以上的人口将达到7100万，而18岁以下的人口将达到6900万。人口老龄化很重要，因为这将意味着劳动力减少。人口老龄化也意味着死亡人数多于出生人数。
The report estimates that, by 2025, the share of the U.S. population that is white and not Hispanic will be under 50 percent for the first time. Also, Asians will pass Hispanics as the largest group of immigrants by race or ethnicity.
该报告估计，到2025年，美国白人而非西班牙裔人口的比例将首次低于50%。此外，亚洲人将超过西班牙人，成为按种族或民族划分的最大移民群体。
Under the medium immigration estimate, the U.S. population reaches its highest total at more than 369 million people in 2081. After that, the Census Bureau predicts a slight population decline, with deaths overtaking births and immigration.
根据中等移民估计，美国人口总数在2081年达到3.69亿以上的最高水平。此后，人口普查局预测人口将略有下降，死亡人数将超过出生人数和移民人数。
By the end of the 2090s, the report estimates that foreign population will make up almost 19.5 percent of people in the U.S. The number is currently at 13.9 percent.
该报告估计，到本世纪90年代末，外国人口将占美国人口的19.5%，目前这一比例为13.9%。
Immigration
移民
In the past, immigration was linked to economic opportunity in the U.S. Today, immigration is caused by climate change, social issues related to dictators and violence, as well as ever-changing feelings about immigrants in the country.
过去，移民与美国的经济机会有关。今天，移民是由气候变化、与独裁者和暴力有关的社会问题以及美国对移民的不断变化的感受引起的。
These issues make immigration more difficult to predict today, says Manuel Pastor, a professor of sociology at the University of Southern California.
南加州大学社会学教授曼纽尔·帕斯特表示，这些问题使得今天的移民更加难以预测。
Aliana Mediratta is a 20-year-old student at Washington University in St. Louis. She welcomes a future with a more diverse population. She believes immigration "is great for our society and our economy."
20岁的阿利亚娜·梅迪拉塔是圣路易斯华盛顿大学的一名学生。她欢迎一个人口更加多样化的未来。她认为移民“对我们的社会和经济大有裨益”。
But that optimism is affected by issues that seem to be getting worse, including climate change and gun violence.
但这种乐观情绪受到了一些似乎越来越严重的问题的影响，包括气候变化和枪支暴力。
"I feel like I have to be optimistic about the future," Mediratta said. She thinks that if she believes the worst will happen, it might stop her from doing the morally right thing, even if it is hard.
“我觉得我必须对未来保持乐观，”梅迪拉塔说。她认为，如果她相信最坏的事情会发生，这可能会阻止她做道德上正确的事情，即使这很难。
美国人口普查局是一家研究美国人口、住房和经济信息的联邦机构。
The latest Census Bureau report shows that the U.S. population will decrease with low immigration, and older adults will outnumber children by the end of the century. The report also says that white, non-Hispanic people will account for less than 50 percent of the population.
美国人口普查局的最新报告显示，由于移民减少，美国人口将减少，到本世纪末，老年人的数量将超过儿童。该报告还表示，非西班牙裔白人将占人口的不到50%。
The Census report offers an idea of what the nation may look like in the future. But it cannot predict unexpected events like a worldwide pandemic.
人口普查报告提供了一个关于国家未来可能是什么样子的想法。但它无法预测像全球大流行这样的意外事件。
Paul Ong teaches public affairs at the University of California, Los Angeles. He said such predictions can help the U.S. prepare for change, from health care for old people to the number of schools for the young.
Paul Ong在加州大学洛杉矶分校教授公共事务。他说，这样的预测可以帮助美国为变革做好准备，从老年人的医疗保健到年轻人的学校数量。
"Seeing that possibility also opens up opportunities for action," he said.
“看到这种可能性也为采取行动提供了机会，”他说。
Population changes
人口变化
Population changes caused by birth and deaths are more predictable. They may also be caused by changes in immigration policy. Because of that, the Census Bureau offers three different predictions through the year 2100 based on high, medium, and low immigration.
由出生和死亡引起的人口变化更容易预测。它们也可能是由移民政策的变化引起的。正因为如此，人口普查局根据高、中、低移民提供了到2100年的三种不同的预测。
In all three situations, the U.S. will become older and more diverse. If there is low immigration, the population will decrease; medium or high immigration will increase the population.
在这三种情况下，美国将变得更加老龄化和多样化。如果移民少，人口就会减少;中等或高水平的移民会增加人口。
By 2029, the report estimates that older people will outnumber children, with 71 million people over 65 as compared to 69 million under the age of 18. The aging of the population is important because this will mean fewer workers. An aging population also means more deaths than births.
该报告估计，到2029年，老年人的数量将超过儿童，65岁以上的人口将达到7100万，而18岁以下的人口将达到6900万。人口老龄化很重要，因为这将意味着劳动力减少。人口老龄化也意味着死亡人数多于出生人数。
The report estimates that, by 2025, the share of the U.S. population that is white and not Hispanic will be under 50 percent for the first time. Also, Asians will pass Hispanics as the largest group of immigrants by race or ethnicity.
该报告估计，到2025年，美国白人而非西班牙裔人口的比例将首次低于50%。此外，亚洲人将超过西班牙人，成为按种族或民族划分的最大移民群体。
Under the medium immigration estimate, the U.S. population reaches its highest total at more than 369 million people in 2081. After that, the Census Bureau predicts a slight population decline, with deaths overtaking births and immigration.
根据中等移民估计，美国人口总数在2081年达到3.69亿以上的最高水平。此后，人口普查局预测人口将略有下降，死亡人数将超过出生人数和移民人数。
By the end of the 2090s, the report estimates that foreign population will make up almost 19.5 percent of people in the U.S. The number is currently at 13.9 percent.
该报告估计，到本世纪90年代末，外国人口将占美国人口的19.5%，目前这一比例为13.9%。
Immigration
移民
In the past, immigration was linked to economic opportunity in the U.S. Today, immigration is caused by climate change, social issues related to dictators and violence, as well as ever-changing feelings about immigrants in the country.
过去，移民与美国的经济机会有关。今天，移民是由气候变化、与独裁者和暴力有关的社会问题以及美国对移民的不断变化的感受引起的。
These issues make immigration more difficult to predict today, says Manuel Pastor, a professor of sociology at the University of Southern California.
南加州大学社会学教授曼纽尔·帕斯特表示，这些问题使得今天的移民更加难以预测。
Aliana Mediratta is a 20-year-old student at Washington University in St. Louis. She welcomes a future with a more diverse population. She believes immigration "is great for our society and our economy."
20岁的阿利亚娜·梅迪拉塔是圣路易斯华盛顿大学的一名学生。她欢迎一个人口更加多样化的未来。她认为移民“对我们的社会和经济大有裨益”。
But that optimism is affected by issues that seem to be getting worse, including climate change and gun violence.
但这种乐观情绪受到了一些似乎越来越严重的问题的影响，包括气候变化和枪支暴力。
"I feel like I have to be optimistic about the future," Mediratta said. She thinks that if she believes the worst will happen, it might stop her from doing the morally right thing, even if it is hard.
“我觉得我必须对未来保持乐观，”梅迪拉塔说。她认为，如果她相信最坏的事情会发生，这可能会阻止她做道德上正确的事情，即使这很难。
