Bolivia – Christian Daniel Terán Anzaldo withdrew from the competition for undisclosed reasons.
Denmark – No delegate was appointed due to a lack of funding and sponsorship.
France – No delegate was appointed due to lack of funding and sponsorship.
Germany – No delegate was appointed after Mister Deutschland lost its franchise.
Moldova – No delegate was appointed due to a lack of funding and sponsorship.
Romania – No delegate was appointed due to lack of funding and sponsorship.
Scotland – Ian Alan Scott Adie withdrew from the competition for undisclosed reasons.
Sweden – Johannes Leonidas Ulmefors suffered a high fever a few days before flying to Manila and thereby withdrew from the competition.
Switzerland – No delegate was appointed after Mister Suisse Francophone lost its franchise.
Vietnam – The Mister World Vietnam Organization originally revealed they would be sending Trần Công Hậu to the competition, but the representation did not push through for undisclosed reasons.
Wales – Luke Williams withdrew from the competition for undisclosed reasons.
Replacements
^ARGENTINA – Leonardo Díaz Alincastro was appointed to compete in Mister World 2019 by national director Nadia Cerri, as the original winner Thomas Lietti decided to pursue his modeling career. Díaz was the first runner-up in Mister World Argentina 2017.
^AUSTRALIA – Jonathan Berry was appointed to compete in Mister World 2019 by national director Deborah Miller, as the original winner Eden Dally declined his invitation for undisclosed reasons. Berry was the second runner-up in Mr World Australia 2019.
^ENGLAND – Jack Heslewood was appointed to compete in Mister World 2019 by national director Angie Beasley, as a replacement to the original winner Jack Eyers who decided to pursue his sporting career on the road to Tokyo 2020. Heslewood was the first runner-up in Mister England 2017–2019.
^ITALY – Marco D'Elia was appointed to compete in Mister World 2019 by Dario Diviacchi, the national director of Mister Italia, as the original winner Mirko Pividore declined his invitation to pursue studies. D'Elia was the first runner-up in Mister Italia 2017.
^LUXEMBOURG – Owen Hawel was appointed to compete in Mister World 2019, as a replacement to his predecessor Christophe Meisch, by Hervé Lancelin, the president of Miss Luxembourg pageant. Hawel was crowned Mister Luxembourg 2019.
^NETHERLANDS – Ashley Karym Peternella was appointed to compete in Mister World 2019 by Katie Maes, the national director of Miss World Nederland, replacing the original winner Wahhab Hassoo.
^UNITED STATES – Andresito Germosen dela Cruz was appointed to compete in Mister World 2019 by Michael Blakey, the national director of Miss World America and Mister World United States, as the original winner Keaton Parker West stepped down from the title to pursue his modelling career and college education.