A picture tells a thousand words so I am told, so here is my three thousand work essay on immigration:
The nub of it is to me, that the there is first map shows net GNI per capita today. As can be seen, sub Saharan Africa is a disaster, with no average wealth. With so little wealth, it is hard to accumulate any more as there is little to go around and little investment relative to the population.
No wonder the poor people there are fleeing to the UK, Afghanistan and Pakistan are not far behind.
Then we see that the projected growth of the world is all concentrated in African and South Asia. So not only are people poor but the affected Countries may well be doubling their populations in the next 15 years
Finally the sheer numbers from the UK. Sub Saharan Africa was until very recently a low population area considering its size - especially relative to Europe. But now we have reached the point of inexorable growth, with a billion young people due to grow up in the next 15 to 20 years.
They have nothing to live for where they are, so they will leave for a better future. The best place to go is to Europe, in terms of geography and economic chances.
So come they will. My own view is not wildly popular yet, but my feeling is this challenge is akin to that of the end of the Roman Empire and the dark ages. Massive population movements could overwhelm a more advanced civilisation through sheer weight of numbers. The Visigoths and other after all sort to be Roman, but could not be - it was rarely their intention to destroy what they found.
In today's world perhaps there is the technology to prevent this, but it would go against all of our current values to be so callous with a wave of humanity approaching unarmed.
Instructive too is the map below of the current wars - indeed how may of these are really driven by population issues such access to food, water and jobs. You could even make a case that the rise of religious fundamentalism is linked to the increasing poverty of the Countries affected due to massive population growth:
And finally, a last graph for the Bishop's and do-gooders who say we must help where we can. The people coming to us in the future have very different behaviours to us - the world map by homicides shows us how much value a human life has in different cultures: