Short answer

IGCSE and GCSE are similar in difficulty. IGCSE is the international version; GCSE is the UK version. Neither is consistently harder across all subjects and boards.

How they compare

• Content: Both are secondary-level qualifications (age 15–16)
• Syllabus: IGCSE and GCSE cover similar topics in most subjects
• Assessment: Both use written exams and coursework (where applicable)

Differences

• IGCSE: International syllabus; often broader; used in many countries outside the UK
• GCSE: UK syllabus; reformed in England (9–1 grading); used mainly in UK schools

Practical takeaway

Difficulty depends on your school, subjects, and exam board. Both are equally strong for university and career applications. Choose based on your location and school.

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