GASTAT depends in conducting the survey on nine stages as follows:
Scope: Understanding the statistical needs and defining possible solutions.
Design: Designing all subsequent steps of the statistical process.
Organization: Preparing and testing all statistical work procedures
Collection: Data collection and verification.
Categorization: Data processing for converting data from initial data to statistical data.
Review: Verification and explanation of results.
Publishing Preparing outputs for publishing
Evaluation: Conducting a comprehensive evaluation of all stages of the statistical process.
Management: Administering all steps of the statistical process continuously.