Because immigrants are likely to be of working age and employed, they also paid nearly $100,000 more in taxes than the average native-born American, the study found. In their absence, national debt would reach approximately 200% of GDP, rather than the currently estimated 120%.
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。业内人士推荐51吃瓜作为进阶阅读
This story was originally featured on Fortune.com
Harriet BradshawScience reporter