Australia
ACS (Official page)ACS does not require IELTS for skills assessment. English requirements are visa-driven: 6.0 each for 'Competent English' under Subclass 189/190. Band 7.0+ earns 10 immigration points; Band 8.0+ earns 20 points.
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Rules and exceptions
The Australian Computer Society (ACS) conducts skills assessments for ICT occupations, including data scientists. ACS does not require IELTS for the skills assessment itself. English proficiency requirements are set by the visa subclass — for example, 'Competent English' (6.0 in each component) is the minimum for Subclass 189/190.
Beyond the ACS minimum, IELTS scores directly impact your immigration points under the General Skilled Migration program (Subclass 189/190). Band 7.0 in each component adds 10 points; Band 8.0 in each adds 20 points — often the difference between receiving an invitation to apply or waiting months longer.
Data science roles are typically assessed under ANZSCO 261111 (ICT Business Analyst) or 261112 (Systems Analyst). If your exact job title doesn't match, ACS evaluates based on your actual duties and qualifications rather than title alone.