Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted speaks language of the test parity index (LTPIA) by country
February 2026 Data Release
Countries reporting
56
Highest
1.24 LTPIA
Qatar
Lowest
0.3072 LTPIA
Mexico
Median
0.7289 LTPIA
Years covered
29
1995–2023
Data points
395
What the numbers show
Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted speaks language of the test parity index (LTPIA) is currently reported for 56 countries. The highest value is 1.24 LTPIA in Qatar; the lowest is 0.3072 LTPIA in Mexico.
The median across all reporting countries is 0.7289 LTPIA, and the mean is 0.7169 LTPIA.
The gap between the highest and lowest reporting country is a factor of about 4.
Over the past decade 9 countries rose and 47 fell. The largest increase was in Chile (up 274.3%), and the largest decrease in Brazil (down 62.4%).
Proportion of students at the end of lower secondary education: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Qatar | 1.24 LTPIA | 2023 | down 26.0% | rising |
| 2 | Bahrain | 1.15 LTPIA | 2023 | down 32.1% | flat |
| 3 | Kuwait | 1.12 LTPIA | 2023 | up 18.2% | rising |
| 4 | Canada | 0.9935 LTPIA | 2022 | down 0.5% | flat |
| 5 | Hungary | 0.9883 LTPIA | 2023 | up 33.6% | rising |
| 6 | Australia | 0.9547 LTPIA | 2022 | down 3.1% | flat |
| 7 | Singapore | 0.9534 LTPIA | 2023 | up 4.7% | flat |
| 8 | Ireland | 0.9431 LTPIA | 2022 | down 1.7% | flat |
| 9 | Hong Kong, China | 0.9021 LTPIA | 2022 | up 4.4% | flat |
| 10 | Spain | 0.9 LTPIA | 2022 | down 2.6% | falling |
| 11 | Israel | 0.8561 LTPIA | 2022 | down 17.1% | falling |
| 12 | Albania | 0.8551 LTPIA | 2022 | down 11.5% | rising |
| 13 | Latvia | 0.8513 LTPIA | 2022 | down 9.1% | flat |
| 14 | Indonesia | 0.8498 LTPIA | 2022 | down 10.4% | rising |
| 15 | New Zealand | 0.8461 LTPIA | 2022 | up 7.2% | falling |
| 16 | Luxembourg | 0.833 LTPIA | 2018 | down 8.7% | rising |
| 17 | Tunisia | 0.8082 LTPIA | 2015 | down 35.5% | volatile |
| 18 | Norway | 0.7882 LTPIA | 2022 | up 2.4% | rising |
| 19 | Poland | 0.7754 LTPIA | 2022 | down 16.3% | flat |
| 20 | Italy | 0.7705 LTPIA | 2023 | down 9.7% | rising |
| 21 | United States of America | 0.7618 LTPIA | 2022 | down 7.7% | rising |
| 22 | Costa Rica | 0.7558 LTPIA | 2022 | down 40.9% | falling |
| 23 | Belgium | 0.7433 LTPIA | 2022 | down 13.0% | falling |
| 24 | Oman | 0.7427 LTPIA | 2023 | down 57.0% | falling |
| 25 | Portugal | 0.7409 LTPIA | 2022 | down 19.2% | rising |
| 26 | Russian Federation | 0.74 LTPIA | 2018 | down 5.2% | flat |
| 27 | Lithuania | 0.7329 LTPIA | 2022 | down 6.8% | falling |
| 28 | Czechia | 0.7325 LTPIA | 2022 | down 16.3% | falling |
| 29 | Denmark | 0.7252 LTPIA | 2022 | down 3.7% | flat |
| 30 | Iceland | 0.7173 LTPIA | 2022 | down 4.5% | falling |
| 31 | Romania | 0.7089 LTPIA | 2022 | down 5.7% | falling |
| 32 | Sweden | 0.7075 LTPIA | 2022 | up 0.3% | flat |
| 33 | Finland | 0.6991 LTPIA | 2022 | down 4.0% | falling |
| 34 | Austria | 0.6885 LTPIA | 2022 | down 9.5% | flat |
| 35 | Croatia | 0.6787 LTPIA | 2022 | down 26.5% | flat |
| 36 | Slovenia | 0.6671 LTPIA | 2022 | down 9.0% | falling |
| 37 | Republic of Korea | 0.6633 LTPIA | 2022 | down 8.3% | flat |
| 38 | France | 0.6584 LTPIA | 2022 | down 8.3% | falling |
| 39 | Netherlands | 0.6581 LTPIA | 2022 | down 19.0% | falling |
| 40 | Japan | 0.6115 LTPIA | 2023 | down 37.1% | falling |
| 41 | Jordan | 0.6076 LTPIA | 2022 | down 35.9% | falling |
| 42 | Lebanon | 0.6008 LTPIA | 2019 | down 29.7% | falling |
| 43 | Germany | 0.5971 LTPIA | 2022 | down 26.7% | rising |
| 44 | Uruguay | 0.5616 LTPIA | 2022 | down 34.3% | falling |
| 45 | Serbia | 0.5491 LTPIA | 2022 | down 46.5% | falling |
| 46 | Iran, Islamic Republic of | 0.5192 LTPIA | 2023 | up 28.3% | falling |
| 47 | Thailand | 0.518 LTPIA | 2022 | down 45.1% | falling |
| 48 | Türkiye | 0.4928 LTPIA | 2023 | down 11.8% | rising |
| 49 | Greece | 0.4886 LTPIA | 2022 | down 20.8% | falling |
| 50 | Slovakia | 0.4599 LTPIA | 2022 | down 7.7% | falling |
| 51 | Chile | 0.4529 LTPIA | 2023 | up 274.3% | rising |
| 52 | Bulgaria | 0.4122 LTPIA | 2022 | down 5.7% | flat |
| 53 | Brazil | 0.4047 LTPIA | 2022 | down 62.4% | falling |
| 54 | Colombia | 0.3489 LTPIA | 2022 | down 34.3% | flat |
| 55 | Argentina | 0.312 LTPIA | 2022 | down 28.2% | falling |
| 56 | Mexico | 0.3072 LTPIA | 2022 | down 30.8% | rising |
About this data
February 2026 Data Release