Hong Kong, China vs Iran, Islamic Republic of: Annual percentage change in primary energy use
Hong Kong, China
0.7%
in 2025
Iran, Islamic Republic of
0.6%
in 2025
Hong Kong, China rank
137th
Iran, Islamic Republic of rank
140th
Annual percentage change in primary energy use over time
- Hong Kong, China
- Iran, Islamic Republic of
How they compare
Hong Kong, China currently reports 0.7% against 0.6% in Iran, Islamic Republic of, a difference of 0.1%.
That makes Hong Kong, China's figure about 1.1 times Iran, Islamic Republic of's.
The two have swapped places 29 times across 60 shared years of data; in 1966 it was Iran, Islamic Republic of ahead.
Hong Kong, China ranks 137th and Iran, Islamic Republic of ranks 140th of 217 countries.
Across the 7 decades both report, Hong Kong, China averaged higher in 2 and Iran, Islamic Republic of in 5.
Head to head by decade
| Decade | Hong Kong, China | Iran, Islamic Republic of | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 13.0% | 9.7% | 3.3% | Hong Kong, China |
| 1970s | 5.9% | 12.3% | 6.4% | Iran, Islamic Republic of |
| 1980s | 6.8% | 5.5% | 1.3% | Hong Kong, China |
| 1990s | 3.0% | 6.6% | 3.6% | Iran, Islamic Republic of |
| 2000s | 5.4% | 6.0% | 0.6% | Iran, Islamic Republic of |
| 2010s | 1.2% | 3.2% | 2.0% | Iran, Islamic Republic of |
| 2020s | -2.8% | 2.2% | 5.0% | Iran, Islamic Republic of |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual percentage change in primary energy use, Hong Kong, China or Iran, Islamic Republic of?
- Hong Kong, China, at 0.7% against 0.6% in Iran, Islamic Republic of as of 2025.
- What is the difference in annual percentage change in primary energy use between Hong Kong, China and Iran, Islamic Republic of?
- 0.1%, with Hong Kong, China ahead.
- How many years of comparable data are there for Hong Kong, China and Iran, Islamic Republic of?
- 60 years are reported by both, from 1966 to 2025.
- How do Hong Kong, China and Iran, Islamic Republic of rank globally for annual percentage change in primary energy use?
- Hong Kong, China ranks 137th and Iran, Islamic Republic of ranks 140th of 217 countries.
- Where does this data 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 Annual percentage change in primary energy use. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage change in total energy supply relative to the previous year.