It means that if we cut off or discourage immigration, we can’t count on non-native citizens to continue boosting our numbers. So, we have to look at the native-born stats to get an idea of our future.

Yes, but why not have both? Why only native?

I can’t help but think talks of denaturalization are more than just fringe.

Or perhaps the numbers are starkly different, and for the best?

The future is a labor shortage. Good for wages, bad for inflation.