The Singapore Supply, Use and Input-Output tables provide a comprehensive and integrated framework for the derivation and reconciliation of key national accounts aggregates. They contain detailed information on the intricate relationships among the various economic sectors and are used for a variety of purposes such as cross-validating data from various sources, impact studies, policy formulation and evaluation. With the release of the 2015 tables, Singapore Department of Statistics (DOS) has completed 14 Supply, Use and Input-Output tables for Singapore. This publication discusses the basic structure, methodology and findings of these tables, including the applications of Input-Output tables. Annexes explaining the theoretical basis and derivation of the various Input-Output models and applications are also included