A recent BBC story offers musing on the same-old same-old double-whammy of too many immigrants to manage socially, yet not enough to pay into welfare for expanding number of elderly. But it has useful chart of low-high office of national statistics population pyramid projections for the UK 2033.

The author offers a 'government health warning' on these projections: "these are projections, not forecasts, and simply extrapolate from data that is probably already changing." If only all projections carried that label! The obvious thing already knocking these numbers into a cocked hat is great strides in age-delaying medicine.