More Americans living without partners, especially young adults（3）
Old married couples
The one group that is living with their other halves more often: the 65-and-above crowd.
Parker said this is partly because people are living longer, especially in a generation that is more likely to be married.
She said younger people "are waiting now to enter into partnerships ... until they feel financially stable, but they're losing out on the financial benefits of being in a partnered household."
她说年轻人“除非他们感到财务状况稳定，才会进入有伴侣的生活模式 —— 但是他们却失去了有伴侣生活所拥有的的财务福利。”
The Pew analysis cites research finding that "marriage causes husbands to be more successful on the job.”
cause：vt.引起; 导致; 成为…的原因;
"It's not a causal thing," said Coontz, who argued that new research suggests the reverse: that many people tend to get married as they start earning more money, "and it's mostly accounted for by just the stage of life that people are in.”
Coontz said the census findings "should not be generalized to think that everybody who's not living with somebody is not happy." For example, unmarried individuals may have a wider network of friends than married couples on average, she said. There is less stigma surrounding singlehood.
People's decisions to live with a significant other, to be married or not, represent "a series of living arrangements and interpersonal entanglements that most Americans will experience in the course of their lives," she wrote for CNN opinion in September.
"Maybe it's time for us married couples to stop being so free with advice to our single friends and recognize that we have things to learn from them."