Cook Islands vs Nauru: Annual greenhouse gas emissions by world region
Cook Islands
88,295 tonnes of CO₂ equivalents
in 2024
Nauru
63,898 tonnes of CO₂ equivalents
in 2024
Cook Islands rank
195th
Nauru rank
196th
Annual greenhouse gas emissions by world region over time
- Cook Islands
- Nauru
How they compare
Cook Islands currently reports 88,295 tonnes of CO₂ equivalents against 63,898 tonnes of CO₂ equivalents in Nauru, a difference of 24,397 tonnes of CO₂ equivalents.
That makes Cook Islands's figure about 1.4 times Nauru's.
The two have swapped places 2 times across 175 shared years of data; in 1850 it was Cook Islands ahead.
Cook Islands ranks 195th and Nauru ranks 196th of 199 countries.
Across the 18 decades both report, Cook Islands averaged higher in 14 and Nauru in 4.
Head to head by decade
| Decade | Cook Islands | Nauru | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 4,087 tonnes of CO₂ equivalents | 177.59 tonnes of CO₂ equivalents | 3,910 tonnes of CO₂ equivalents | Cook Islands |
| 1860s | 4,569 tonnes of CO₂ equivalents | 194.9 tonnes of CO₂ equivalents | 4,374 tonnes of CO₂ equivalents | Cook Islands |
| 1870s | 5,133 tonnes of CO₂ equivalents | 223 tonnes of CO₂ equivalents | 4,910 tonnes of CO₂ equivalents | Cook Islands |
| 1880s | 5,782 tonnes of CO₂ equivalents | 260.72 tonnes of CO₂ equivalents | 5,522 tonnes of CO₂ equivalents | Cook Islands |
| 1890s | 6,337 tonnes of CO₂ equivalents | 295.73 tonnes of CO₂ equivalents | 6,041 tonnes of CO₂ equivalents | Cook Islands |
| 1900s | 6,951 tonnes of CO₂ equivalents | 335.29 tonnes of CO₂ equivalents | 6,615 tonnes of CO₂ equivalents | Cook Islands |
| 1910s | 7,777 tonnes of CO₂ equivalents | 374.39 tonnes of CO₂ equivalents | 7,403 tonnes of CO₂ equivalents | Cook Islands |
| 1920s | 9,064 tonnes of CO₂ equivalents | 416.07 tonnes of CO₂ equivalents | 8,648 tonnes of CO₂ equivalents | Cook Islands |
| 1930s | 10,988 tonnes of CO₂ equivalents | 474.37 tonnes of CO₂ equivalents | 10,513 tonnes of CO₂ equivalents | Cook Islands |
| 1940s | 14,844 tonnes of CO₂ equivalents | 561.6 tonnes of CO₂ equivalents | 14,282 tonnes of CO₂ equivalents | Cook Islands |
| 1950s | 21,257 tonnes of CO₂ equivalents | 702.56 tonnes of CO₂ equivalents | 20,554 tonnes of CO₂ equivalents | Cook Islands |
| 1960s | 24,101 tonnes of CO₂ equivalents | 26,636 tonnes of CO₂ equivalents | 2,535 tonnes of CO₂ equivalents | Nauru |
| 1970s | 35,790 tonnes of CO₂ equivalents | 97,319 tonnes of CO₂ equivalents | 61,529 tonnes of CO₂ equivalents | Nauru |
| 1980s | 51,887 tonnes of CO₂ equivalents | 139,834 tonnes of CO₂ equivalents | 87,947 tonnes of CO₂ equivalents | Nauru |
| 1990s | 66,897 tonnes of CO₂ equivalents | 111,643 tonnes of CO₂ equivalents | 44,746 tonnes of CO₂ equivalents | Nauru |
| 2000s | 69,097 tonnes of CO₂ equivalents | 62,240 tonnes of CO₂ equivalents | 6,857 tonnes of CO₂ equivalents | Cook Islands |
| 2010s | 86,387 tonnes of CO₂ equivalents | 51,464 tonnes of CO₂ equivalents | 34,923 tonnes of CO₂ equivalents | Cook Islands |
| 2020s | 82,960 tonnes of CO₂ equivalents | 60,287 tonnes of CO₂ equivalents | 22,674 tonnes of CO₂ equivalents | Cook Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual greenhouse gas emissions by world region, Cook Islands or Nauru?
- Cook Islands, at 88,295 tonnes of CO₂ equivalents against 63,898 tonnes of CO₂ equivalents in Nauru as of 2024.
- What is the difference in annual greenhouse gas emissions by world region between Cook Islands and Nauru?
- 24,397 tonnes of CO₂ equivalents, with Cook Islands ahead.
- How many years of comparable data are there for Cook Islands and Nauru?
- 175 years are reported by both, from 1850 to 2024.
- How do Cook Islands and Nauru rank globally for annual greenhouse gas emissions by world region?
- Cook Islands ranks 195th and Nauru ranks 196th of 199 countries.
- Where does this data come from?
- Jones et al. (2025) – with major processing by Our World in Data, published as Annual greenhouse gas emissions by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Greenhouse gas emissions are measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.