Math Score Gap by Country
38 countries • Factor of lowest scores decile • OECD
What It Measures
Student Math Gap (Top 10% vs Bottom 10%) is a comparative indicator tracked across countries by OECD. It provides a quantitative basis for cross-national comparison and analysis.
Key Statistics
Global Average
1.67
Median
1.67
Minimum
1.54
Maximum
1.88
Countries
38
Source
OECD
World Map
Highest & Lowest Countries
Top 10 — Highest Math Score Gap
| Rank | Country | Value |
|---|---|---|
| #1 |  Israel | 1.88 |
| #2 |  Netherlands | 1.81 |
| #3 |  Slovakia | 1.80 |
| #4 |  New Zealand | 1.74 |
| #5 |  Luxembourg | 1.73 |
| #6 |  Australia | 1.73 |
| #7 |  United States | 1.71 |
| #8 |  Hungary | 1.71 |
| #9 |  Germany | 1.71 |
| #10 |  Belgium | 1.71 |
Ireland
Latvia
Estonia
Costa Rica
Denmark
Mexico
Japan
Lithuania
Spain
ChileSurprising Facts
Israel (1.88) has 0.07 more than Netherlands (1.81) — the largest gap between consecutive ranks.
Slovakia (1.80) has 0.07 more than New Zealand (1.74) — the largest gap between consecutive ranks.
Lithuania (1.62) has 0.03 more than Japan (1.59) — the largest gap between consecutive ranks.