History of diplomatic relations
In the beginning, diplomatic relations between Mexico and Australia were conducted via-London. In the late 1930s, Mexico established an honorary consulate in Sydney; however during the outbreak of World War II, Mexico closed its consulate. In 1960, Mexico re-opened its consulate in Sydney which led to formal diplomatic relations being established between the two nations on 14 March 1966.
Both countries have similar interests in increasing trade within the Pacific rim and to each other. In September 2011, both nations signed an Action Plan to advance the relationship in political relations, economy and trade, development cooperation, education and culture.
Both nations are members of the Asia-Pacific Economic Cooperation, G-20 major economies, Organisation for Economic Co-operation and Development and the United Nations.
Mexico is Australia's largest trading partner in Latin-America. Two-way trade between both nations amounted to $2.9 billion USD. Australia's exports to Mexico amounted to $880 million USD and include: aluminium, medicament's, copper ores and concentrates. Mexico's exports to Australia amounted to $1.9 billion USD and its export products include: lead ores and concentrates, telecom equipment and parts, fertilizers and passenger motor vehicles. Australia is Mexico's 24th biggest export market and Mexico is Australia's 25th biggest export market, respectively. In January 2004, a double taxation agreement was signed between both nations.
It has been reported that the Sinaloa cartel had operatives in Australia and were behind a number of significant cocaine hauls intercepted by Australian authorities.   In 2011, Sinaloa attempted to set up an outpost in Sydney but were thwarted by a police operation. 
In 2014, it was reported that "Violent Mexican cartels with links to Australian crime gangs are infiltrating the nation's illicit drug trade." The chief of the Australian Crime Commission said 'Recently, we've seen the emergence of Mexican cartel activity within Australia"   the Crime Commission also noted "Mexican criminals have become more prevalent as principals in the importation and supply of cocaine and associated money laundering" in Australia. 
Resident diplomatic missions
- History of diplomatic relations between Mexico and Australia (in Spanish)
- Bilateral relations between Australia and Mexico
- Embassy of Australia in Mexico City (in English and Spanish)
- Embassy of Mexico in Canberra (in English and Spanish)
- Australian Ministry of Foreign Affairs and Trade on relations with Mexico
- Australian Government on strengthening political relations with Mexico
- Mexican Secretary of Foreign Affairs on bilateral relations with Australia (Spanish)