In the 19th century the population has varied between 284 and 346.
As with other countries, the borders, area and population of the Commonwealth varied over time.
The population has varied recently between zero and two people.
Since 1793, the population has varied between 3,792 and 1,993.
Courts have held a district's population can vary by 5 percent, up or down, from the ideal number.
The population has varied between 350 and 500 persons in recent years.
The population has not varied much in recent years, remaining around 3,800 since the 1960s.
The populations served by each council would vary from 11,400 to 23,000.
The total population is unknown and varies according to the author.
The population of the base, the island's only human inhabitants, usually varies from 20 to 40 people over the year.