Countries by Low Adult Numeracy

Complete ranking of 32 countries • Percentage of adults • Updated 2026

About Adults With Low Numeracy Skills Rankings

Chile leads all 32 countries in Adults With Low Numeracy Skills with a value of 47.716, while Japan ranks last at 7.82. This represents a 6-fold difference between the highest and lowest values.

What Adults With Low Numeracy Skills Measures

Adults With Low Numeracy Skills is a comparative indicator tracked across countries by the OECD. It provides a quantitative basis for cross-national comparison, enabling researchers and policymakers to benchmark national performance on this dimension against global peers.

Why This Ranking Matters

Examining Adults With Low Numeracy Skills across all countries reveals patterns that might not be obvious at the national level. Regional clusters, outlier nations, and historical trajectories all become clearer when the full global picture is assembled in a single ranking.

Global Range

Values range from 7.82 (Japan) to 47.716 (Chile) — a 6-fold difference across 32 countries.

Regional Patterns

European countries dominate this ranking, holding 14 of the top 20 positions. This strong regional concentration suggests shared economic, geographic, or policy factors that drive higher values across the continent.

Values are broadly distributed across countries, with the middle 50% ranging from 14.904 to 26.287. The overall spread from 7.82 to 47.716 reflects significant global variation.

Notable Outliers

The top of the ranking is competitive: Chile and Mexico are separated by only 4%, indicating that the leading positions could shift with updated data.

Continental Leaders

Highest Ranked

The top five countries for Adults With Low Numeracy Skills are Chile (47.716), Mexico (46.099), Turkey (39.004), Portugal (34.107), and Poland (29.82). Together, these nations represent the global leaders in this metric.

Lowest Ranked

At the other end of the spectrum, Japan (7.82), Sweden (8.81), Finland (9.77), Norway (11.062), and Australia (11.117) have the lowest values globally.

Data Source & Methodology

Rankings are based on the latest available data from OECD, covering 32 of 249 countries and territories. Countries without data for this metric are excluded from the ranking. All values represent the most recently reported figures.

Top 10 Countries

Full Rankings

Low Adult Numeracy ranking for 32 countries
1stFlag of ChileChile47.7%
2ndFlag of MexicoMexico46.1%
3rdFlag of TurkeyTurkey39.0%
4thFlag of PortugalPortugal34.1%
5thFlag of PolandPoland29.8%
6thFlag of ItalyItaly28.1%
7thFlag of IsraelIsrael27.2%
8thFlag of LithuaniaLithuania26.3%
9thFlag of United StatesUnited States25.0%
10thFlag of SpainSpain24.1%
11thFlag of HungaryHungary24.1%
12thFlag of FranceFrance22.6%
13thFlag of South KoreaSouth Korea21.8%
14thFlag of LatviaLatvia21.1%
15thFlag of New ZealandNew Zealand20.9%
16thFlag of AustriaAustria19.8%
17thFlag of GreeceGreece19.5%
18thFlag of SloveniaSlovenia19.5%
19thFlag of GermanyGermany17.2%
20thFlag of CzechiaCzechia17.2%
21stFlag of SlovakiaSlovakia16.7%
22ndFlag of IrelandIreland16.3%
23rdFlag of SwitzerlandSwitzerland16.2%
24thFlag of CanadaCanada14.9%
25thFlag of DenmarkDenmark14.2%
26thFlag of EstoniaEstonia13.3%
27thFlag of NetherlandsNetherlands12.5%
28thFlag of AustraliaAustralia11.1%
29thFlag of NorwayNorway11.1%
30thFlag of FinlandFinland9.8%
31stFlag of SwedenSweden8.8%
32ndFlag of JapanJapan7.8%