Mister International Organization was Singapore-based owned and organized by the former president and late founder, Alan Sim,[1] Since the first edition, 80 countries have sent their representative to this pageant, with an annual average of 38 contestants.

Mister International Organization licenses local organizations that wish to select the Mister International contestant for their country and approves the selection method for national contestants.

For the first time in 16 years, the Mister International Organization will allow fathers, married, and divorced men to compete.

[3] A separate group based in the Philippines led by Manuel Deldio emerged.

[7][8][9] The country/territory who assumed a position is indicated in boldThe country/territory who was dethroned, resigned or originally held the position is indicated in striketroughThe country/territory who was dethroned, resigned or originally held the position but was not replaced is indicated underlined As of the 2024 edition, 96 countries and territories have participated in Mister International, with no country having competed in every edition.