In 1800 the population was 155,426 and ended the century with almost a million inhabitants (953,243), multiplying the population by about six times.

Mexico City's population multiplied 10-fold between the 1940s and 1980s.

But the population has multiplied many times over.

The population has multiplied by 11 in 15 years, between 1990 and 2005.

Red needed to know how many more possible cave sites were available for when his present population multiplied itself out of these facilities.

In some cases their population multiplied in the following decades.

Within a sixteen year period, the Chinese population multiplied by an estimated fourteen fold.

For a time, all the lands prospered, and their populations multiplied.

But the population of the rich land eventually multiplied beyond the numbers that even its abundant resources could support.

In the last two centuries, Hertfordshire's population has multiplied tenfold.