World's Population Reaches 7 Billion (or Will, Soon Enough)

NPR: Visualizing How A Population Grows To 7 Billion, by Adam Cole:

BBC: Are there really seven billion of us?, by Rema Rahman:

The United Nations estimates that on Monday 31 October the world's population will reach seven billion. But how accurate is this figure?

Not only is the world's population supposedly reaching seven billion today, the charity Plan International has anointed a girl born in India as the seven billionth.

In reality, things are much less clear. . . .