Spain vs Viet Nam: Annual change in primary energy from fossil fuels
Spain
26.39 terawatt-hours
in 2025
Viet Nam
30.28 terawatt-hours
in 2025
Spain rank
16th
Viet Nam rank
13th
Annual change in primary energy from fossil fuels over time
- Spain
- Viet Nam
How they compare
Viet Nam currently reports 30.28 terawatt-hours against 26.39 terawatt-hours in Spain, a difference of 3.89 terawatt-hours.
That makes Viet Nam's figure about 1.1 times Spain's.
The two have swapped places 18 times across 44 shared years of data; in 1982 it was Viet Nam ahead.
Spain ranks 16th and Viet Nam ranks 13th of 76 countries.
Across the 5 decades both report, Spain averaged higher in 2 and Viet Nam in 3.
Head to head by decade
| Decade | Spain | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 6.15 terawatt-hours | 1.31 terawatt-hours | 4.83 terawatt-hours | Spain |
| 1990s | 34.34 terawatt-hours | 8.7 terawatt-hours | 25.64 terawatt-hours | Spain |
| 2000s | 9.39 terawatt-hours | 23.65 terawatt-hours | 14.26 terawatt-hours | Viet Nam |
| 2010s | -13.29 terawatt-hours | 58.94 terawatt-hours | 72.23 terawatt-hours | Viet Nam |
| 2020s | -13.33 terawatt-hours | 29.69 terawatt-hours | 43.02 terawatt-hours | Viet Nam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from fossil fuels, Spain or Viet Nam?
- Viet Nam, at 30.28 terawatt-hours against 26.39 terawatt-hours in Spain as of 2025.
- What is the difference in annual change in primary energy from fossil fuels between Spain and Viet Nam?
- 3.89 terawatt-hours, with Viet Nam ahead.
- How many years of comparable data are there for Spain and Viet Nam?
- 44 years are reported by both, from 1982 to 2025.
- How do Spain and Viet Nam rank globally for annual change in primary energy from fossil fuels?
- Spain ranks 16th and Viet Nam ranks 13th of 76 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data, published as Annual change in primary energy from fossil fuels. 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.