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.
Now, we know the population of Australia of the last five years. The population of the year 2016 will be calculated on the basis of calculating the population of the past years of Australia. After making all the calculations from the data shown above, the population of Australia in the year 2016 is 24.08 Million.