New Zealand vs Slovakia: Annual change in primary energy from coal
New Zealand
-2.7 terawatt-hours
in 2025
Slovakia
-2.74 terawatt-hours
in 2025
New Zealand rank
57th
Slovakia rank
58th
Annual change in primary energy from coal over time
- New Zealand
- Slovakia
How they compare
New Zealand currently reports -2.7 terawatt-hours against -2.74 terawatt-hours in Slovakia, a difference of 0.04 terawatt-hours.
The two have swapped places 23 times across 60 shared years of data; in 1966 it was Slovakia ahead.
New Zealand ranks 57th and Slovakia ranks 58th of 79 countries.
Across the 7 decades both report, New Zealand averaged higher in 4 and Slovakia in 3.
Head to head by decade
| Decade | New Zealand | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | -0.6833 terawatt-hours | 1.41 terawatt-hours | 2.09 terawatt-hours | Slovakia |
| 1970s | -0.3148 terawatt-hours | 0.6868 terawatt-hours | 1 terawatt-hours | Slovakia |
| 1980s | 0.1084 terawatt-hours | 1.34 terawatt-hours | 1.23 terawatt-hours | Slovakia |
| 1990s | -0.0763 terawatt-hours | -4.32 terawatt-hours | 4.24 terawatt-hours | New Zealand |
| 2000s | 0.5248 terawatt-hours | -0.8431 terawatt-hours | 1.37 terawatt-hours | New Zealand |
| 2010s | -0.2171 terawatt-hours | -1.31 terawatt-hours | 1.09 terawatt-hours | New Zealand |
| 2020s | -0.7697 terawatt-hours | -1.9 terawatt-hours | 1.13 terawatt-hours | New Zealand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from coal, New Zealand or Slovakia?
- New Zealand, at -2.7 terawatt-hours against -2.74 terawatt-hours in Slovakia as of 2025.
- What is the difference in annual change in primary energy from coal between New Zealand and Slovakia?
- 0.04 terawatt-hours, with New Zealand ahead.
- How many years of comparable data are there for New Zealand and Slovakia?
- 60 years are reported by both, from 1966 to 2025.
- How do New Zealand and Slovakia rank globally for annual change in primary energy from coal?
- New Zealand ranks 57th and Slovakia ranks 58th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual change in primary energy from coal. 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.