The population of Tonga is 106,146 (July 2011 est.). 37.2% are under 15, 56.7% 15 to 64, and 6.1% over 64. The birth rate is 24.7/1000, the death rate is 4.88/1000, and the net migration rate is -17.9/1,000.
On the fourth of July, the Tongans celebrate the King's birthday with the week long Heilala Festival. It coincides with the flowering of the Heilala, Tonga's national flower.
Dance in Tonga has traditionally been an important art form, and this becomes evident during exhibitions of Tongan dancing performed for visitors on the waterfront. The songs and dances describe the legendary exploits of the King's ancestors.