The common economic and currency area has led to the creation of strong economic ties between the two countries.
The Customs Treaty of 1923 in effect created a customs union based on the principle of open borders. Liechtenstein’s export statistics do not itemise trade with and via Switzerland. For this reason, trade between Switzerland and Liechtenstein can hardly be measured.
A double taxation agreement between Switzerland and Liechtenstein came into effect in 2017. Moreover, the automatic exchange of information in tax matters (AEOI) has applied since the start of 2018, with the result that the first exchange of financial account information was made in autumn 2019.
Of Liechtenstein's 41,352-strong work force (as at December 2021), more than half are cross-border commuters; of these, some 59% are resident in Switzerland.