The Southeast Asia Climate Outlook: 2021 Survey Report marks the second iteration of the Southeast Asia Climate Outlook Survey, which was conducted from 11 June to 2 August 2021. Designed to gather insights on the perspectives of Southeast Asian citizens towards a wide variety of climate change issues, the online survey covered topics including climate change impacts, urban mitigation and adaptation, low-carbon transitions and partnership on climate action. It drew a total of 610 responses from citizens of all 10 ASEAN states, and its findings provide a general sense of the prevailing views of Southeast Asian citizens towards climate change issues.