total: 680 km
paved: 184 km
unpaved: 496 km (1996)
Waterways:
none
Ports and harbors:
Neiafu, Nuku'alofa, Pangai
Merchant marine:
total: 78 ships (1,000 GRT or over) 250,020 GRT/350,055 DWT
ships by type: bulk 6, cargo 44, chemical tanker 4, container 1, liquefied gas 5, livestock carrier 2, petroleum tanker 9, refrigerated cargo 1, roll on/roll off 4, specialized tanker 1, vehicle carrier 1
note: includes some foreign-owned ships registered here as a flag of convenience: Albania 1, Australia 4, Austria 1, Bolivia 1, Cyprus 1, Djibouti 1, Egypt 2, Greece 4, Lebanon 2, Liberia 2, Marshall Islands 2, Morocco 1, Norway 1, Panama 1, Romania 3, Russia 1, Sao Tome and Principe 1, Saudi Arabia 2, Singapore 1, Sweden 1, Switzerland 3, Syria 5, Ukraine 1, UAE 16, US 4 (2002 est.)
Airports:
6 (2002)
Airports - with paved runways:
total: 1
2,438 to 3,047 m: 1 (2002)
Airports - with unpaved runways:
total: 5
1,524 to 2,437 m: 1
914 to 1,523 m: 2
under 914 m: 2 (2002)
Tonga Defense Services (made up of three operational command components and two support elements, including the Royal Marines, Royal Guards, Maritime Force, a support/logistics group, and a training group), Police; note - a new air wing that will be subordinate to the Ministry of Defense is being developed