Four referendums were held in Liechtenstein during 1989. The first two were held on 19 March and concerned introducing referendums to decide on international treaties and amending the health insurance law. The treaty proposal was rejected by 56.8% of voters, whilst the health insurance law was approved by 59%. The third and fourth were held on 3 December on amending the sections of the constitution regarding the control of the justice administration and minority rights. Both were approved by voters.