General elections were held in Tonga on 14 and 15 May 1990 to elect members of the Legislative Assembly of Tonga. Nine nobles and nine people's representatives were elected. Seven of the latter favoured democratic reform. Voter turnout was 65.4%.
^ abCampbell, Ian C. (2001). "Tonga". In Nohlen, Dieter; Grotz, Florian; Hartmann, Christof. Elections in Asia and the Pacific: A Data Handbook. Volume II: South East Asia, East Asia, and the South Pacific. Oxford University Press. p. 820. ISBN0-19-924959-8.