Population Reference Bureau

Numbers Are People: Where Will They Be in 2050?   

The world is growing both older and younger, according to new population reports, which point out that unmanageably large populations can have detrimental effects in regions and in countries. By 2050, China is projected to be second in population globally, at 1.3 billion people. Above, the Beijing metro.
Right now, the population of the world is growing, paradoxically, at both ends of the age spectrum, for different reasons and with different results.