The associated chain migration and new anchor babies would run in the tens of millions.
Children of illegal aliens cost county welfare $44 million in March
http://www.freerepublic.com/focus/f-news/2240053/posts
Illegal Aliens cost Florida Hospitals $100 Million
http://www.freerepublic.com/focus/f-news/2236660/posts
The Heritage Foundation concluded that the cost of amnesty alone would be $2.6 trillion. And the number of additional LEGAL immigrants who would join those who were the recipients of amnesty through chain migration, i.e., family reunification, would approach 70 million over a 20-year period, assuming there are only 12 million illegal aliens. We cannot assimilate such numbers.