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Embassy of the Republic of Singapore in Bangkok

Application for Singapore Citizenship

Applications for Singapore Citizenship must be submitted online via ICA’s e-service using a Singpass login, with full details of the application process available on ICA’s website.

Last updated 6 November 2025

All applications for Singapore Citizenship must be submitted online at the Immigration & Checkpoints Authority’s (ICA) website. To apply online, the Singapore Citizen parent is required to log in to the ICA e-service using his/her Singpass account. For more details on the citizenship application process and to access the e-service, please visit https://www.ica.gov.sg/reside/citizenship/apply.