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Data for 1991

Mean Years of Schooling, 1991

1991, as UNDP Human Development Report Office’s 2025 release gives it · stored as published, never rewritten

Mean Years of Schooling, 1991 covers 152 countries. United States is highest, at 13.0275; Yemen is lowest, at 0.4033. The middle country reads 6.0854. Against 1990, 152 values changed (147 up, 5 down), the same countries are covered.

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Mean Years of Schooling · Data for 1991

HighestUnited States

13.0275

LowestYemen

0.4033

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, 1991, 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 152 countries · select a heading to sort

Mean Years of Schooling, 1991: every country, as published by UNDP Human Development Report Office.
derived
1United StatesUSANorthern America13.0275
2NorwayNORNorthern Europe11.7471
3JapanJPNEastern Asia11.6845
4DenmarkDNKNorthern Europe11.5000
5AustraliaAUSAustralia and New Zealand11.2474
6NetherlandsNLDWestern Europe11.1651
7CanadaCANNorthern America10.9200
8IcelandISLNorthern Europe10.6243
9GermanyDEUWestern Europe10.5739
10SwitzerlandCHEWestern Europe10.5240
11New ZealandNZLAustralia and New Zealand10.4000
12LiechtensteinLIEWestern Europe10.3304
13AustriaAUTWestern Europe10.2900
14SamoaWSMPolynesia10.1979
15BahamasBHSCaribbean10.1130
16IsraelISRWestern Asia9.9658
17EstoniaESTNorthern Europe9.9038
18PolandPOLEastern Europe9.8553
19ArmeniaARMWestern Asia9.8533
20RussiaRUSEastern Europe9.8419
21United KingdomGBRNorthern Europe9.7258
22SwedenSWENorthern Europe9.7100
23HungaryHUNEastern Europe9.5491
24BelgiumBELWestern Europe9.5452
25TajikistanTJKCentral Asia9.4954

02In 1991

At either end

The 5 countries at each end of the headline.

Highest

  1. 1United States13.0275
  2. 2Norway11.7471
  3. 3Japan11.6845
  4. 4Denmark11.5000
  5. 5Australia11.2474

Lowest

  1. 152Yemen0.4033
  2. 151Niger0.7683
  3. 150Mali0.8818
  4. 149Afghanistan0.9153
  5. 148Guinea1.3253

A higher value is the better result. The middle country reads 6.0854. “Shared” marks a value another country also holds.

031990 → 1991

Since 1990

What changed between 1990 and this one: who joined or left, and how far the headline moved.

  • +0 / −0countries joined / left
  • 152values changed, of 152 in both
  • 147 · 5rose · fell
  • 0unchanged

Rose most

Fell most

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 1991.

  • The position is ours

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

  • Nothing missing

    Every one of the 152 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 (1991). Mean Years of Schooling, 1991 [data set], describing 1991. As held by Nations Inquiry, https://nationsinquiry.com/datasets/mean-years-schooling/1991

0634 held

Other years

07Questions

Mean Years of Schooling, 1991: questions and answers

Which country has the highest mean years of schooling in Mean Years of Schooling, 1991?

United States, at 13.0275, of the 152 countries in the file.

What year does Mean Years of Schooling, 1991 describe?

1991.

How many countries does Mean Years of Schooling, 1991 cover?

152.

Where can I download Mean Years of Schooling, 1991?

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, 1991 the newest?

No. The newest held here is Mean Years of Schooling, 2023.

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