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
050.0k100.0k150.0k185019372024

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.

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Cook Islands vs Nauru: Annual greenhouse gas emissions by world region. Statizoid, drawing on Jones et al. (2025) – with major processing by Our World in Data. Retrieved 24 September 2026, from https://climate.statizoid.com/compare/ghg-emissions-by-world-region/cook-islands/naoero/

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About this data

Indicator
Annual greenhouse gas emissions by world region
Unit
tonnes of CO₂ equivalents
Source
Jones et al. (2025) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
199 places, 34,825 data points, 1850–2024
Last refreshed

Greenhouse gas emissions are measured in tonnes of carbon dioxide-equivalents over a 100-year timescale.