The Southeast Asia Climate Outlook Survey 2023, the fourth iteration of ISEAS’ annual regional climate survey, was conducted between 11 July and 6 August 2023 drawing a total of 2,225 responses from citizens of all ten ASEAN states, exceeding last year’s 1,386 responses. Besides English, the survey was offered in six different Southeast Asian languages (Bahasa Indonesia, Burmese, Lao, Khmer, Thai and Vietnamese), both online and in-person.