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Data for 2023

Mean Years of Schooling, 2023

2023, as UNDP Human Development Report Office’s 2025 release gives it · stored as published, never rewritten

Mean Years of Schooling, 2023 covers 193 countries. Germany is highest, at 14.29637; Niger is lowest, at 1.41229. The middle country reads 9.93302. Against 2022, 6 values changed (4 up, 2 down), the same countries are covered.

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Mean Years of Schooling · Data for 2023

HighestGermany

14.29637

LowestNiger

1.41229

Shaded by value in five groups of equal size, darkest at the better end.

01Position · derived

The table

Every country and every column of Mean Years of Schooling, 2023, as published. UNDP Human Development Report Office ranks nobody on this measure; the position is derived here by ordering the published values. “=” marks a shared position.

Showing 25 of 193 countries · select a heading to sort

Mean Years of Schooling, 2023: every country, as published by UNDP Human Development Report Office.
derived
1GermanyDEUWestern Europe14.29637
2SwitzerlandCHEWestern Europe13.94912
3United StatesUSANorthern America13.91000
4IcelandISLNorthern Europe13.90893
5CanadaCANNorthern America13.87000
6LithuaniaLTUNorthern Europe13.61069
7EstoniaESTNorthern Europe13.56217
8IsraelISRWestern Asia13.53459
9United KingdomGBRNorthern Europe13.49000
10LatviaLVANorthern Europe13.40944
11PalauPLWMicronesia13.29903
12PolandPOLEastern Europe13.20854
13NorwayNORNorthern Europe13.11796
14SlovakiaSVKEastern Europe13.10320
15DenmarkDNKNorthern Europe13.02732
16United Arab EmiratesAREWestern Asia12.99000
17FinlandFINNorthern Europe12.97963
18CzechiaCZEEastern Europe12.96318
19SloveniaSVNSouthern Europe12.95120
20New ZealandNZLAustralia and New Zealand12.88300
21AustraliaAUSAustralia and New Zealand12.87000
22BahamasBHSCaribbean12.81442
23MontenegroMNESouthern Europe12.77393
24SwedenSWENorthern Europe12.74033
25South KoreaKOREastern Asia12.72220

02In 2023

At either end

The 5 countries at each end of the headline.

Highest

  1. 1Germany14.29637
  2. 2Switzerland13.94912
  3. 3United States13.91000
  4. 4Iceland13.90893
  5. 5Canada13.87000

Lowest

  1. 193Niger1.41229
  2. 192Mali1.63000
  3. 191Somalia1.90000
  4. 190Burkina Faso2.26655
  5. 189Chad2.33498

A higher value is the better result. The middle country reads 9.93302. “Shared” marks a value another country also holds.

032022 → 2023

Since 2022

What changed between 2022 and this one: who joined or left, and how far the headline moved.

  • +0 / −0countries joined / left
  • 6values changed, of 193 in both
  • 4 · 2rose · fell
  • 187unchanged

Rose most

Fell most

  • Jordan10.31000 → 10.24000−0.07000
  • Bahrain11.15000 → 11.13000−0.02000

Both years come from the same release, so a difference here is a change in the data, not a revision of it. Every country’s full history is charted on the statistic page.

04Caveats

Read before you use

What this edition’s numbers are and are not, worked out from the file itself.

How values are stored

  • One year of the 2025 release

    Every year in this series comes from UNDP Human Development Report Office’s 2025 release, recalculated on one method. It can differ from what was first published for 2023.

  • 191 distinct values among 193

    Values are stored exactly as published, to 9 decimals. 2 countries share 11.61000. Countries sharing a value share a position too.

  • The position is ours

    UNDP Human Development Report Office publishes values only; the order is this site’s.

  • Nothing missing

    Every one of the 193 countries has every column.

05The files

Download and cite

The table as a file, digit for digit, what this site changed, and a citation for this edition.

Licence in full

What this site changed: Reshaped into one row per country: regional and income-group totals are left out, only the columns listed are kept, each row gets its ISO 3166 code, and some country names are brought to one spelling. No value is recalculated, rescaled or rounded.

Licence: CC BY 3.0 IGO · what it allows, in plain words

Cite this edition

UNDP Human Development Report Office (2023). Mean Years of Schooling, 2023 [data set], describing 2023. As held by Nations Inquiry, https://nationsinquiry.com/datasets/mean-years-schooling/2023

0634 held

Other years

07Questions

Mean Years of Schooling, 2023: questions and answers

Which country has the highest mean years of schooling in Mean Years of Schooling, 2023?

Germany, at 14.29637, of the 193 countries in the file.

What year does Mean Years of Schooling, 2023 describe?

2023.

How many countries does Mean Years of Schooling, 2023 cover?

193.

Where can I download Mean Years of Schooling, 2023?

On this page, as a CSV file holding every value exactly as published, or from the publisher’s own site, linked below.

Is Mean Years of Schooling, 2023 the newest?

Yes, as of 2026-09-10, when it was read from the publisher.

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