[2] An Honorary Consulate General in Mexico City was established by royal decree on 18 December 1885.

During the parliamentary session of 1913, a decision was made to establish a salaried Consulate General, whose holder also served as chargé d'affaires.

[3] In a report on the reorganization of the Ministry for Foreign Affairs in early January 1921, the experts recommended a proposal from the Swedish chargé d'affaires in Mexico to extend the mission's area of responsibility to the Central American states, British Honduras, as well as Cuba, Venezuela, Colombia, Haiti, and San Domingo, along with the British, French, Dutch, and American possessions in the West Indies.

[6] In 1956, an agreement was reached between the Swedish and Mexican governments on the mutual elevation of the respective countries' legations to embassies.

The diplomatic rank was thereafter changed to ambassador instead of envoy extraordinary and minister plenipotentiary.