Hong Kong Special Administrative Region, People's Republic of China vs Viet Nam: Annual change in primary energy from gas
Hong Kong Special Administrative Region, People's Republic of China
-1.7 terawatt-hours
in 2025
Viet Nam
-3.43 terawatt-hours
in 2025
Hong Kong Special Administrative Region, People's Republic of China rank
57th
Viet Nam rank
59th
Annual change in primary energy from gas over time
- Hong Kong Special Administrative Region, People's Republic of China
- Viet Nam
How they compare
Hong Kong Special Administrative Region, People's Republic of China currently reports -1.7 terawatt-hours against -3.43 terawatt-hours in Viet Nam, a difference of 1.73 terawatt-hours.
The two have swapped places 8 times across 30 shared years of data; in 1996 it was Hong Kong Special Administrative Region, People's Republic of China ahead.
Hong Kong Special Administrative Region, People's Republic of China ranks 57th and Viet Nam ranks 59th of 77 countries.
Across the 4 decades both report, Hong Kong Special Administrative Region, People's Republic of China averaged higher in 2 and Viet Nam in 2.
Head to head by decade
| Decade | Hong Kong Special Administrative Region, People's Republic of China | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 7.71 terawatt-hours | 2.79 terawatt-hours | 4.92 terawatt-hours | Hong Kong Special Administrative Region, People's Republic of China |
| 2000s | -0.2202 terawatt-hours | 6.48 terawatt-hours | 6.7 terawatt-hours | Viet Nam |
| 2010s | 0.2239 terawatt-hours | 2.11 terawatt-hours | 1.89 terawatt-hours | Viet Nam |
| 2020s | 3.56 terawatt-hours | -6.77 terawatt-hours | 10.33 terawatt-hours | Hong Kong Special Administrative Region, People's Republic of China |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from gas, Hong Kong Special Administrative Region, People's Republic of China or Viet Nam?
- Hong Kong Special Administrative Region, People's Republic of China, at -1.7 terawatt-hours against -3.43 terawatt-hours in Viet Nam as of 2025.
- What is the difference in annual change in primary energy from gas between Hong Kong Special Administrative Region, People's Republic of China and Viet Nam?
- 1.73 terawatt-hours, with Hong Kong Special Administrative Region, People's Republic of China ahead.
- How many years of comparable data are there for Hong Kong Special Administrative Region, People's Republic of China and Viet Nam?
- 30 years are reported by both, from 1996 to 2025.
- How do Hong Kong Special Administrative Region, People's Republic of China and Viet Nam rank globally for annual change in primary energy from gas?
- Hong Kong Special Administrative Region, People's Republic of China ranks 57th and Viet Nam ranks 59th of 77 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 Annual change in primary energy from gas. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.