Share of primary energy from oil in OECD (EI)

OECD (EI): Share of primary energy from oil was 39.9% in 2025. ▼ Falling

Latest (2025)
39.9%
Change on year
down 0.7%
Rank
1st
of 3 groups
All-time high
55.1%
in 1973
All-time low
38.0%
in 2020
Years of data
61
1965–2025

Share of primary energy from oil in OECD (EI), 1965–2025

0204060196519952025

Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data. Measured in %.

Analysis

The most recent figure for share of primary energy from oil in OECD (EI) is 39.9%, measured in 2025.

That represents a change of down 0.7% on the previous year and up 0.2% over ten years.

Over the whole period, share of primary energy from oil in OECD (EI) peaked at 55.1% in 1973 and was at its lowest, 38.0%, in 2020.

The long-run direction has been consistently falling across the 61 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1960s 48.4% 46.0% 50.6% 5
1970s 53.5% 52.1% 55.1% 10
1980s 46.2% 44.4% 50.4% 10
1990s 44.3% 44.0% 44.8% 10
2000s 42.5% 40.8% 43.4% 10
2010s 39.7% 39.2% 40.2% 10
2020s 39.5% 38.0% 40.3% 6

Countries ranked near OECD (EI)

  1. 1 Cyprus 93.1% compare
  2. 2 Singapore 86.2% compare
  3. 3 Ecuador 82.4% compare
  4. 4 Iraq 73.2% compare

See the full ranking of 82 places →

More energy & mining data for OECD (EI)

All data for OECD (EI) →

Frequently asked questions

What is share of primary energy from oil in OECD (EI)?
Share of primary energy from oil in OECD (EI) was 39.9% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data.
What is the highest share of primary energy from oil recorded in OECD (EI)?
The highest recorded value was 55.1% in 1973.
What is the lowest share of primary energy from oil recorded in OECD (EI)?
The lowest recorded value was 38.0% in 2020.
How does OECD (EI) rank for share of primary energy from oil?
OECD (EI) ranks 1st out of 3 groups with data for 2025.
Is share of primary energy from oil rising or falling in OECD (EI)?
Over the last ten years it is up 0.2%. The long-run trend across the full record is falling.
Where does this OECD (EI) data come from?
The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as part of Share of primary energy from oil. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of primary energy from oil
Unit
%
Source
Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,680 data points, 1965–2025
Last refreshed

Measured as a percentage of total energy supply.