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.
Demographics of Oman 2016. As of 1 January 2017, the population of Oman was estimated to be 5 119 745 people. This is an increase of 8.32 % (393 332 people) compared to population of 4 726 413 the year before. In 2016 the natural increase was positive, as the number of births exceeded the number of deaths by 85 359.