I think most of you missed the point. He's talking about emmigration - leaving one country to live, for the rest of your life, in another.

Short of meeting with a horrific traffic accident, most of us won't be here until we die. For a start we'll be kicked out at 60 when we can no longer visas.

In any case, this is just Clarkson's humour. Try reading one of his many best selling books and you will see that this is exactly the same sort of cynicism.