Princeton's WordNet(0.00 / 0 votes)Rate this definition: principal, school principal, head teacher, head(noun) the educator who has executive authority for a school. she sent unruly pupils to see the principal.
Aruba Population. Factbook > Countries > Aruba > Demographics. Population: 113,648 (July 2016 est.) Definition: This entry gives an estimate from the US Bureau of the Census based on statistics from population censuses, vital statistics registration systems, or sample surveys pertaining to the recent past and on assumptions about future trends.
Current population of Australia is: 22,065,671 Persons. Estimated resident population The preliminary estimated resident population (ERP) of Australia at 30 September 2009 was 22,065,671 persons.This was an increase of 451,900 persons (2.1%) since 30 September 2008 and 110,400 persons since 30 June 2009.stimated resident population. 1  The preliminary estimated resident population (ERP) of Australia at 30 September 2009 was 22,065,671 persons.This was an increase of 451,900 persons (2.1%) since 30 September 2008 and 110,400 persons since 30 June 2009.