Countries in Oceania Ranked by CO2 emissions (total) (2024)
CO2 emissions (total): each country's latest value (2019–2024), ranked from highest to lowest. Source: The World Bank (CC BY 4.0).
Summary
Australia ranks #1 with 383.4 Mt CO2e. That is 12 times New Zealand in second place (31.8 Mt CO2e). The top five are Australia, New Zealand, Papua New Guinea, New Caledonia and Fiji. Together the top 10 account for 99.9% of the total across the 19 countries in Oceania listed. The median across all 19 is 0.285 Mt CO2e; Tuvalu is last at 0 Mt CO2e. Australia's figure has risen 8% since 2000 (353.9 Mt CO2e to 383.4 Mt CO2e in 2024).
- #1
- Australia · 383.4 Mt CO2e
- Median
- 0.285 Mt CO2e
- Coverage
- 19 countries in Oceania
- Data year
- 2024
- Last updated
- 2026-11-14
Australia 89.0%New Zealand 7.4%Papua New Guinea 1.3%New Caledonia 1.2%Fiji 0.3%All others 0.8%
Full ranking
| Rank | Country | CO2 emissions (total) (Mt CO2e) |
|---|---|---|
| 1 | Australia | 383.4 |
| 2 | New Zealand | 31.8 |
| 3 | Papua New Guinea | 5.47 |
| 4 | New Caledonia | 5 |
| 5 | Fiji | 1.51 |
| 6 | Palau | 1.47 |
| 7 | French Polynesia | 0.974 |
| 8 | Samoa | 0.35 |
| 9 | Solomon Islands | 0.315 |
| 10 | Vanuatu | 0.285 |
| 11 | Tonga | 0.17 |
| 12 | Kiribati | 0.08 |
| 13 | Guam | 0.0003 |
| 14 | Micronesia, Fed. Sts. | 0.0002 |
| 15 | American Samoa | 0.0001 |
| 16 | Marshall Islands | 0.0001 |
| 17 | Northern Mariana Islands | 0.0001 |
| 18 | Naoero | 0 |
| 19 | Tuvalu | 0 |
About the top 10
#1 Australia
Australia ranks #1 on this list with 383.4 Mt CO2e.
- Capital
- Canberra
- Continent
- Oceania
- Income group
- High income
- Population
- 27.61 million people (2025)
- GDP
- US$1.8 trillion (2025)
- GDP per person
- US$65,130 (2025)
- Life expectancy
- 83.1 years (2024)
- Urban population
- 87.7% of population (2025)
Largest cities: Sydney, Melbourne, Brisbane.
Also ranks #2 in regulatory quality score · #3 in access to clean cooking fuels · #4 in new businesses registered.
#2 New Zealand
New Zealand ranks #2 on this list with 31.8 Mt CO2e.
- Capital
- Wellington
- Continent
- Oceania
- Income group
- High income
- Population
- 5.32 million people (2025)
- GDP
- US$264.06 billion (2025)
- GDP per person
- US$49,591 (2025)
- Life expectancy
- 82 years (2024)
- Urban population
- 84% of population (2025)
Largest cities: Auckland.
Also ranks #3 in voice and accountability score · #4 in tax revenue share of gdp · #4 in control of corruption score.
#3 Papua New Guinea
Papua New Guinea ranks #3 on this list with 5.47 Mt CO2e.
- Capital
- Port Moresby
- Continent
- Oceania
- Income group
- Lower middle income
- Population
- 10.76 million people (2025)
- GDP
- US$32.5 billion (2025)
- GDP per person
- US$3,020 (2025)
- Life expectancy
- 66.3 years (2024)
- Urban population
- 15.8% of population (2025)
Also ranks #2 in rural population share · #5 in water resources per capita · #6 in smoking prevalence.
#4 New Caledonia
New Caledonia ranks #4 on this list with 5 Mt CO2e.
- Capital
- Nouméa
- Continent
- Oceania
- Income group
- High income
- Population
- 295,330 people (2025)
- GDP
- US$8.55 billion (2024)
- GDP per person
- US$29,213 (2024)
- Life expectancy
- 78.9 years (2024)
- Urban population
- 68.2% of population (2025)
Also ranks #2 in protected terrestrial area share · #4 in protected marine area share · #4 in mineral rents share of gdp.
#5 Fiji
Fiji ranks #5 on this list with 1.51 Mt CO2e.
- Capital
- Suva
- Continent
- Oceania
- Income group
- Upper middle income
- Population
- 933,150 people (2025)
- GDP
- US$6.2 billion (2025)
- GDP per person
- US$6,642 (2025)
- Life expectancy
- 67.5 years (2024)
- Urban population
- 59.5% of population (2025)
Also ranks #1 in mobile subscriptions per 100 · #5 in completion rate (primary) · #6 in livestock production index.
#6 Palau
Palau ranks #6 on this list with 1.47 Mt CO2e.
- Capital
- Ngerulmud
- Continent
- Oceania
- Income group
- High income
- Population
- 17,663 people (2025)
- GDP
- US$345 million (2025)
- GDP per person
- US$19,532 (2025)
- Life expectancy
- 69.4 years (2024)
- Urban population
- 79.3% of population (2025)
Also ranks #1 in co2 emissions per capita · #2 in protected marine area share · #4 in forest area share.
#7 French Polynesia
French Polynesia ranks #7 on this list with 0.974 Mt CO2e.
- Capital
- Papeete
- Continent
- Oceania
- Income group
- High income
- Population
- 282,470 people (2025)
- GDP
- US$6.32 billion (2024)
- GDP per person
- US$22,440 (2024)
- Life expectancy
- 84.2 years (2024)
- Urban population
- 61.8% of population (2025)
Also ranks #5 in female life expectancy · #5 in protected marine area share · #7 in life expectancy.
#8 Samoa
Samoa ranks #8 on this list with 0.35 Mt CO2e.
- Capital
- Apia
- Continent
- Oceania
- Income group
- Upper middle income
- Population
- 219,310 people (2025)
- GDP
- US$1.29 billion (2025)
- GDP per person
- US$5,873 (2025)
- Life expectancy
- 71.8 years (2024)
- Urban population
- 17.5% of population (2025)
Also ranks #3 in rural population share · #4 in diabetes prevalence · #16 in age dependency ratio.
#9 Solomon Islands
Solomon Islands ranks #9 on this list with 0.315 Mt CO2e.
- Capital
- Honiara
- Continent
- Oceania
- Income group
- Lower middle income
- Population
- 838,650 people (2025)
- GDP
- US$1.75 billion (2025)
- GDP per person
- US$2,086 (2025)
- Life expectancy
- 70.7 years (2024)
- Urban population
- 31.3% of population (2025)
Also ranks #1 in forest rents share of gdp · #2 in female labour force participation · #3 in labour force participation rate.
#10 Vanuatu
Vanuatu ranks #10 on this list with 0.285 Mt CO2e.
- Capital
- Port Vila
- Continent
- Oceania
- Income group
- Lower middle income
- Population
- 335,170 people (2025)
- GDP
- US$1.35 billion (2025)
- GDP per person
- US$4,039 (2025)
- Life expectancy
- 71.7 years (2024)
- Urban population
- 22.3% of population (2025)
Also ranks #6 in school enrolment (secondary) · #6 in completion rate (primary) · #9 in rural population share.
Profile facts: World Bank (CC BY 4.0) and Wikidata (CC0); weather links go to Purr Weather, another ChowChow Labs site.
Source and method
CO2 emissions (total): each country's latest value (2019–2024), ranked from highest to lowest.
Source: The World Bank, indicator EN.GHG.CO2.MT.CE.AR5. Licence: CC BY 4.0. Retrieved: 2026-11-14.
The World Bank: Carbon dioxide (CO2) emissions (total) excluding LULUCF (Mt CO2e): EDGAR (Emissions Database for Global Atmospheric Research) Community GHG Database, Joint Research Centre (JRC) - European Commission (via World Development Indicators)
Original data provider, as recorded by the World Bank: EDGAR (Emissions Database for Global Atmospheric Research) Community GHG Database, Joint Research Centre (JRC) - European Commission; International Energy Agency (IEA).
Values are shown as published. Provider terms: The World Bank. All licences: Sources & licences.