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 LatestYear 10-year changeTrend
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

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Proportion of students at the end of lower secondary education by country. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 05 September 2026, from https://education.statizoid.com/stat/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-36/

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About this data

Indicator
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)
Unit
LTPIA
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
56 places, 395 data points, 1995–2023
Last refreshed

February 2026 Data Release