text:  and economic growth would be very low. And the reason for that is simple demographics. You know, we have an aging population. A lot of baby boomers are retiring every day. If it weren't for immigrants, the U.S. economy would look more like other aging countries like Japan. Importantly, immigrant workers are not crowding out native-born workers. In fact, if you look just at people in their prime working years, more of them are in the workforce now than at any time in more than two decades.