Hong Kong vs Iceland: Primary energy use by source
Hong Kong
0.0009 terawatt-hours
in 2025
Iceland
0.0104 terawatt-hours
in 2025
Hong Kong rank
73rd
Iceland rank
70th
Primary energy use by source over time
- Hong Kong
- Iceland
How they compare
Iceland currently reports 0.0104 terawatt-hours against 0.0009 terawatt-hours in Hong Kong, a difference of 0.0095 terawatt-hours.
That makes Iceland's figure about 11.5 times Hong Kong's.
The two have swapped places 2 times across 61 shared years of data; in 1965 it was Iceland ahead.
Hong Kong ranks 73rd and Iceland ranks 70th of 79 countries.
Across the 7 decades both report, Hong Kong averaged higher in 1 and Iceland in 2.
Head to head by decade
| Decade | Hong Kong | Iceland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0.0003 terawatt-hours | 0 terawatt-hours | 0.0003 terawatt-hours | Hong Kong |
| 2010s | 0.0008 terawatt-hours | 0.0053 terawatt-hours | 0.0045 terawatt-hours | Iceland |
| 2020s | 0.0009 terawatt-hours | 0.0081 terawatt-hours | 0.0072 terawatt-hours | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use by source, Hong Kong or Iceland?
- Iceland, at 0.0104 terawatt-hours against 0.0009 terawatt-hours in Hong Kong as of 2025.
- What is the difference in primary energy use by source between Hong Kong and Iceland?
- 0.0095 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Hong Kong and Iceland?
- 61 years are reported by both, from 1965 to 2025.
- How do Hong Kong and Iceland rank globally for primary energy use by source?
- Hong Kong ranks 73rd and Iceland ranks 70th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy use by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.