On 19 May 1976 , Mexico and Papua New Guinea established diplomatic relations . Overall relations between both nations have been limited and have taken place in mainly multilateral forums such as at APEC summits or at the United Nations . In October 2002 , Papua New Guinean Prime Minister Michael Somare attended the APEC summit being held in Los Cabos , Mexico
APEC summit
APEC Mexico 2002
Mexico–Papua New Guinea relations