Solomon Islands Government Sovereign Democratic State, UN Member State (1978), Member of the Commonwealth (1978) Capital Honiara Population 682 500 Land area 28 230 km² Max height above sea level 2 335 m EEZ 1 553 440 km² GDP Year 2016 Currency Solomon Islands dollar (SBD) Languages English GDP per capita 1 647 USD Useful links National Parliament of Solomon Islands Welkam to the Solomon Islands Pacific Community Membership 1978