However, since then, the population has nearly dropped to about half.

Within a space of a few years, the population dropped from a billion to 100 million.

By 1884 the population had dropped to a low of 6 people.

By 1960, the population of the town had dropped to five.

Another example is between 1881 and 1901, where the population dropped from 212 to 121.

By the following year, the population had dropped to 1455.

The population was 1124 in 1981, but had dropped to 963 by 2001.

The population dropped from about 2500 in 1987 to less than 700 today.

In 1764 the total population was only 66 and by 1900 had dropped to 55.

Its population has dropped by a third since the middle of the last century.