Currency: New Zealand dollar (plural—dollars); 1 New Zealand dollar (NZ$) = 100 cents

Exchange rates: New Zealand dollars (NZ$) per US$1—1.6581 (January 1990), 1.6708 (1989), 1.5244 (1988), 1.6886 (1987), 1.9088 (1986), 2.0064 (1985)

Fiscal year: 1 April-31 March

- Communications
Ports: none; offshore anchorage only

Airports: none; lagoon landings by amphibious aircraft from Western Samoa

Telecommunications: telephone service between islands and to Western Samoa

- Defense Forces
Note: defense is the responsibility of New Zealand
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Country: Tonga
- Geography
Total area: 748 km2; land area: 718 km2

Comparative area: slightly more than four times the size of Washington, DC

Land boundaries: none

Coastline: 419 km