Various reports relating to water source, groundwater, boreholes etc in Tongatapu.
Tonga's National Communication Reports in response to the United Nations Framework Conventions on Climate Change.
Joint National Action Plan on Climate Change Adaptation and Disaster Risk Management
Climate Change Policies of Tonga
Annual reports showing arrivals and departures for a given year with breakdowns of migration, tourists, produced by the Statistics Department in collaboration with Department of Customs.
Various reports related to the 1996 Census carried out by the Department of Statistics
Various reports related to the 2006 Census carried out by the Department of Statistics
Various reports related to the 2011 census carried out by the Department of Statistics.