>>>Is any government really going to allow the population to grow this quickly?
We have little control nowadays.
Anyone from any other EU country can come here and we can do nothing about it.
And many people who come here on student visas and other short term visas can easily overstay their welcome and then "lose" themselves in one of the many immigrant ghettos we have in most cities.
As we saw recently, we lose control of our borders at times as well.
Also illegal immigrants can still smuggle themselves in in the back of lorries etc.
And because of our generous benefits system it "pays" immigrants to have as many childen as they can.
So all in all the future as regards the population looks bleak, and many of the "extra" people will not be indiginous but immigrants of one type or another (that is why 67% of the children in secondary schools in inner London are immigrants).
http://www.telegraph....half-in-a-decade.html