Introduction
IB Economics SL tests students on microeconomics, macroeconomics, international economics, and development economics. Knowing the grade boundaries helps target study efforts and maximize results.
This guide shows the IB Economics SL 2025 grade boundaries (Timezone 1) for Internal Assessment, Paper 1, Paper 2, and final overall grades.
Quick Start Checklist
- ✅ Review grade boundaries for all assessments.
- ✅ Practice past papers under timed conditions.
- ✅ Use clear diagrams to support answers.
- ✅ Structure essays and quantitative answers carefully.
- ✅ Focus on real-world examples in Papers 2 and 3.
IB Economics SL Grade Boundaries 2025 (Timezone 1)
Internal Assessment (out of 45)
- Grade 7: 37–45
- Grade 6: 32–36
- Grade 5: 26–31
- Grade 4: 21–25
- Grade 3: 13–20
- Grade 2: 7–12
- Grade 1: 0–6
Paper 1 (out of 25)
- Grade 7: 20–25
- Grade 6: 17–19
- Grade 5: 15–16
- Grade 4: 12–14
- Grade 3: 9–11
- Grade 2: 5–8
- Grade 1: 0–4
Paper 2 (out of 40)
- Grade 7: 33–40
- Grade 6: 27–32
- Grade 5: 22–26
- Grade 4: 16–21
- Grade 3: 12–15
- Grade 2: 6–11
- Grade 1: 0–5
Final IB Economics SL Grade Boundaries (out of 100)
- Grade 7: 80–100
- Grade 6: 67–79
- Grade 5: 55–66
- Grade 4: 43–54
- Grade 3: 30–42
- Grade 2: 15–29
- Grade 1: 0–14
Tips for Top Performance
- Internal Assessment: Use a clear, relevant case study with integrated economic theory.
- Paper 1: Answer all questions concisely with diagrams when necessary.
- Paper 2: Support arguments with examples and data.
- Time Management: Allocate time proportionally to marks for each paper.
