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.
The estimated population of South Africa in 2015 is 53.7 million, 5.4 million (11.2 percent) higher than our previous estimate. The increase is due to lower estimates of mortality. The estimated population of Syria in 2015 is 17.1 million, 5.8 million (25.4 percent) lower than our previous estimate.