We have met the enemy . . . .

. . . . and he is us. Mark Steyn on demographics:

Why is this newspaper published in the language of a tiny island on the other side of the earth? Why does Australia have an English Queen, English common law, English institutions? Because England was the first nation to conquer infant mortality.

By 1820 medical progress had so transformed British life that half the population was under the age of 15. Britain had the manpower to take, hold, settle and administer huge chunks of real estate around the planet. Had, say, China or Russia been first to overcome childhood mortality, the modern world would be very different.

What country today has half of its population under the age of 15? Italy has 14 per cent, the UK 18 per cent, Australia 20 per cent - and Saudi Arabia has 39 per cent, Pakistan 40 per cent and Yemen 47 per cent. Little Yemen, like little Britain 200 years ago, will send its surplus youth around the world - one way or another.

[snip]

In 2005, some 137 million babies were born around the globe. That 137 million is the maximum number of 20-year-olds who'll be around in 2025. There are no more, no other sources; that's it, barring the introduction of mass accelerated cloning (which is by no means an impossibility). Who that 137 million are will determine the character of our world.

The shape's already becoming clear. Take those Danish cartoons. Every internet blogger wants to take a stand on principle alongside plucky little Denmark. But there's only five million of them. Whereas there are 20 million Muslims in Europe - officially. That's the equivalent of the Danes plus the Irish plus the Belgians plus the Estonians.