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.
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.
The island of 'Eua, a 10-minute flight away from Tongatapu, has a blend of modern comfort (the island has one hotel and a motel) and the traditional South Sea island lifestyle. Many species of exotic bird live on the island.