So even with a net migration rate of minus 4.08 migrant(s)/1,000 population (2007 est.), Mexico is still increasing its population. So they should have no problem supplying us with plenty of illegals. The median age of Mexico is 25.6 compared to our 36.6.
Yes, we’re in general agreement with your premise. I have suggested a higher birth rate, but then what you documented could be increased with incentives from the government. Frankly, that’s what we should be doing also.