The remaining sub-contests, including the national costume contest, the preliminary round, and the grand final, was set for Thailand.

In addition to the debut of Greenland,[23] this edition has the returns of Cameroon and Côte d'Ivoire which last competed in 2014; New Zealand and Tanzania in 2018; Macau in 2019; Armenia in 2021; and Bangladesh, China, Curaçao and Pakistan in 2022.

On 30 September 2024, the pre-arrival voting challenge was launched on the pageant's official Facebook page and Instagram account where the portrait of each contestant was posted.

[31][32] The second voting challenge is for the Country's Power of the Year award, in which the winner automatically qualifies for the top 20 finalists in the grand final round.

Only sixteen with the highest points, calculated based on the number of likes and specific reactions to their portrait posted on the pageant's Instagram and Facebook page, qualify for the second round.

The qualifying rounds of the singing challenge for the Grand Voice Award was held on 9 October at the Proud Fha Italian Restaurant in Bangkok.

[43] The competition for the Best in National Costume Award took place on 20 October 2024 at the MGI Hall, Bravo BKK Mall, Bangkok, with 69 contestants participating.

[49][50] The event, which was hosted by Miss Grand International 2023 – Luciana Fuster and an MGI's MC – Sakul Limpapanon, was transmitted to audiences worldwide via the pageant's Youtube channel and Facebook page.

The winner of the Country of the Year award, determined through public voting, completed the twenty semi-finalists,[33] who then paraded in the swimsuit competition.

[35][36] These 10 finalists competed in the evening gown and speech segments to determine the top 5 candidates who later entered the question-and-answer round.