Which has higher average years of schooling, Iceland or OECD (AHDI)?

Iceland, at 13.77 years against 12.99 years in OECD (AHDI) as of 2020.

What is the difference in average years of schooling between Iceland and OECD (AHDI)?

0.78 years, with Iceland ahead.

How many years of comparable data are there for Iceland and OECD (AHDI)?

15 years are reported by both, from 1950 to 2020.

Where does this data come from?

Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data, published as Average years of schooling. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iceland vs OECD (AHDI): Average years of schooling

Iceland

13.77 years

in 2020

OECD (AHDI)

12.99 years

in 2020

Iceland rank

4th

OECD (AHDI) rank

1st

Average years of schooling over time

Iceland
OECD (AHDI)

How they compare

Iceland currently reports 13.77 years against 12.99 years in OECD (AHDI), a difference of 0.78 years.

That makes Iceland's figure about 1.1 times OECD (AHDI)'s.

The two have swapped places 1 time across 15 shared years of data; in 1950 it was OECD (AHDI) ahead.

Iceland ranks 4th and OECD (AHDI) ranks 1st of 162 countries.

Across the 8 decades both report, Iceland averaged higher in 1 and OECD (AHDI) in 7.

Head to head by decade

Decade	Iceland	OECD (AHDI)	Difference	Ahead
1950s	5.1 years	7.97 years	2.87 years	OECD (AHDI)
1960s	6.05 years	8.99 years	2.94 years	OECD (AHDI)
1970s	7.18 years	10.11 years	2.93 years	OECD (AHDI)
1980s	8.53 years	11.1 years	2.56 years	OECD (AHDI)
1990s	9.78 years	11.91 years	2.12 years	OECD (AHDI)
2000s	10.9 years	12.39 years	1.49 years	OECD (AHDI)
2010s	11.79 years	12.62 years	0.829 years	OECD (AHDI)
2020s	13.77 years	12.99 years	0.7753 years	Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average years of schooling, Iceland or OECD (AHDI)?: Iceland, at 13.77 years against 12.99 years in OECD (AHDI) as of 2020.
What is the difference in average years of schooling between Iceland and OECD (AHDI)?: 0.78 years, with Iceland ahead.
How many years of comparable data are there for Iceland and OECD (AHDI)?: 15 years are reported by both, from 1950 to 2020.
How do Iceland and OECD (AHDI) rank globally for average years of schooling?: Iceland ranks 4th and OECD (AHDI) ranks 1st of 162 countries.
Where does this data come from?: Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data, published as Average years of schooling. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iceland vs OECD (AHDI): Average years of schooling. Statizoid, drawing on Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data. Retrieved 10 September 2026, from https://education.statizoid.com/compare/years-of-schooling-prados-de-la-escosura/iceland/oecd-ahdi/

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<a href="https://education.statizoid.com/compare/years-of-schooling-prados-de-la-escosura/iceland/oecd-ahdi/">Iceland vs OECD (AHDI): Average years of schooling</a> — Statizoid

About this data

Indicator: Average years of schooling
Unit: years
Source: Leandro Prados de la Escosura (2021) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 163 places, 3,421 data points, 1870–2020
Last refreshed: 28 August 2026

Average number of years of total schooling (primary, secondary, and tertiary) for the population aged 15 and over.