Countries by fossil CO2 emissions

China had the highest fossil CO2 emissions of 215 countries in 2016, at 9,748.2 million tonnes of CO2. Christmas Island had the lowest, at 0 million tonnes of CO2. The median was 9.6 million tonnes of CO2 and the figure for the World was 35,392.8 million tonnes of CO2. Source: Global Carbon Project.

Keep it in a collection in your library.
Highest9,748.2China
Median9.6215 countries
World35,392.8History

Map of countries, 2016

United Arab Emirates: 227.9 million tonnes of CO2Afghanistan: 8.6 million tonnes of CO2Antigua and Barbuda: 0.6 million tonnes of CO2Albania: 4.6 million tonnes of CO2Armenia: 5.2 million tonnes of CO2Angola: 25.5 million tonnes of CO2Argentina: 190 million tonnes of CO2Austria: 67.2 million tonnes of CO2Australia: 409.7 million tonnes of CO2Azerbaijan: 34.7 million tonnes of CO2Bosnia and Herzegovina: 21.7 million tonnes of CO2Bangladesh: 81.8 million tonnes of CO2Belgium: 99.8 million tonnes of CO2Burkina Faso: 4 million tonnes of CO2Bulgaria: 45.3 million tonnes of CO2Burundi: 0.4 million tonnes of CO2Benin: 5.3 million tonnes of CO2Brunei: 7.6 million tonnes of CO2Bolivia: 21.2 million tonnes of CO2Brazil: 491.7 million tonnes of CO2Bahamas: 2.2 million tonnes of CO2Bhutan: 1.6 million tonnes of CO2Botswana: 6.3 million tonnes of CO2Belarus: 58.2 million tonnes of CO2Belize: 0.7 million tonnes of CO2Canada: 553.7 million tonnes of CO2Democratic Republic of the Congo: 2.7 million tonnes of CO2Central African Republic: 0.2 million tonnes of CO2Republic of the Congo: 5.7 million tonnes of CO2Switzerland: 39.2 million tonnes of CO2Côte d’Ivoire: 12 million tonnes of CO2Chile: 84.3 million tonnes of CO2Cameroon: 10 million tonnes of CO2China: 9,748.2 million tonnes of CO2Colombia: 91.6 million tonnes of CO2Costa Rica: 7.8 million tonnes of CO2Cuba: 27.8 million tonnes of CO2Cape Verde: 0.5 million tonnes of CO2Cyprus: 7.3 million tonnes of CO2Czechia: 106.6 million tonnes of CO2Germany: 798 million tonnes of CO2Djibouti: 0.4 million tonnes of CO2Denmark: 36.9 million tonnes of CO2Dominican Republic: 24.1 million tonnes of CO2Algeria: 158.3 million tonnes of CO2Ecuador: 39.4 million tonnes of CO2Estonia: 17.4 million tonnes of CO2Egypt: 245.2 million tonnes of CO2Eritrea: 0.6 million tonnes of CO2Spain: 259.6 million tonnes of CO2Ethiopia: 14.3 million tonnes of CO2Finland: 47.3 million tonnes of CO2Fiji: 1.3 million tonnes of CO2Faroe Islands: 0.6 million tonnes of CO2France: 335.5 million tonnes of CO2Gabon: 5.6 million tonnes of CO2United Kingdom: 399.4 million tonnes of CO2Georgia: 10 million tonnes of CO2Ghana: 13.9 million tonnes of CO2Greenland: 0.5 million tonnes of CO2Gambia: 0.6 million tonnes of CO2Guinea: 2.7 million tonnes of CO2Equatorial Guinea: 7.5 million tonnes of CO2Greece: 71.4 million tonnes of CO2Guatemala: 16.5 million tonnes of CO2Guinea-Bissau: 0.2 million tonnes of CO2Guyana: 2.2 million tonnes of CO2Hong Kong: 43.4 million tonnes of CO2Honduras: 9.9 million tonnes of CO2Croatia: 18.1 million tonnes of CO2Haiti: 3 million tonnes of CO2Hungary: 47 million tonnes of CO2Indonesia: 548 million tonnes of CO2Ireland: 40.4 million tonnes of CO2Israel: 61.2 million tonnes of CO2India: 2,352.5 million tonnes of CO2Iraq: 153.1 million tonnes of CO2Iran: 644.7 million tonnes of CO2Iceland: 3.5 million tonnes of CO2Italy: 358.1 million tonnes of CO2Jamaica: 8.1 million tonnes of CO2Jordan: 24.9 million tonnes of CO2Japan: 1,199.9 million tonnes of CO2Kenya: 16.3 million tonnes of CO2Kyrgyzstan: 9.6 million tonnes of CO2Cambodia: 10.6 million tonnes of CO2Kiribati: 0.1 million tonnes of CO2North Korea: 34.2 million tonnes of CO2South Korea: 637.9 million tonnes of CO2Kuwait: 104 million tonnes of CO2Kazakhstan: 301.7 million tonnes of CO2Laos: 16.4 million tonnes of CO2Lebanon: 26.4 million tonnes of CO2Sri Lanka: 22.3 million tonnes of CO2Liberia: 0.6 million tonnes of CO2Lesotho: 2 million tonnes of CO2Lithuania: 13.1 million tonnes of CO2Luxembourg: 9.1 million tonnes of CO2Latvia: 7.2 million tonnes of CO2Libya: 57.4 million tonnes of CO2Morocco: 58.5 million tonnes of CO2Moldova: 4.9 million tonnes of CO2Montenegro: 2 million tonnes of CO2Madagascar: 3.3 million tonnes of CO2North Macedonia: 6.6 million tonnes of CO2Mali: 4.3 million tonnes of CO2Myanmar: 21.1 million tonnes of CO2Mongolia: 25.6 million tonnes of CO2Mauritania: 2.6 million tonnes of CO2Mauritius: 4.3 million tonnes of CO2Malawi: 1.2 million tonnes of CO2Mexico: 478.8 million tonnes of CO2Malaysia: 237.3 million tonnes of CO2Mozambique: 8.5 million tonnes of CO2Namibia: 3.6 million tonnes of CO2New Caledonia: 5.5 million tonnes of CO2Niger: 2.1 million tonnes of CO2Nigeria: 116.4 million tonnes of CO2Nicaragua: 5.4 million tonnes of CO2Netherlands: 164.8 million tonnes of CO2Norway: 44.7 million tonnes of CO2Nepal: 10.1 million tonnes of CO2New Zealand: 34.1 million tonnes of CO2Oman: 66.2 million tonnes of CO2Panama: 10.3 million tonnes of CO2Peru: 52.7 million tonnes of CO2French Polynesia: 0.9 million tonnes of CO2Papua New Guinea: 7 million tonnes of CO2Philippines: 120.2 million tonnes of CO2Pakistan: 176.7 million tonnes of CO2Poland: 323.3 million tonnes of CO2Palestine: 3.2 million tonnes of CO2Portugal: 50.3 million tonnes of CO2Palau: 0.2 million tonnes of CO2Paraguay: 7.2 million tonnes of CO2Qatar: 91.4 million tonnes of CO2Romania: 76.6 million tonnes of CO2Serbia: 45.2 million tonnes of CO2Russia: 1,629.3 million tonnes of CO2Rwanda: 1.1 million tonnes of CO2Saudi Arabia: 641.2 million tonnes of CO2Solomon Islands: 0.3 million tonnes of CO2Sudan: 19.7 million tonnes of CO2Sweden: 43.3 million tonnes of CO2Singapore: 49.1 million tonnes of CO2Slovenia: 14.5 million tonnes of CO2Slovakia: 35 million tonnes of CO2Sierra Leone: 1.1 million tonnes of CO2Senegal: 10 million tonnes of CO2Somalia: 1 million tonnes of CO2Suriname: 2.9 million tonnes of CO2South Sudan: 1.7 million tonnes of CO2El Salvador: 6.6 million tonnes of CO2Syria: 29.2 million tonnes of CO2Eswatini: 1 million tonnes of CO2Chad: 2.4 million tonnes of CO2Togo: 2.3 million tonnes of CO2Thailand: 284 million tonnes of CO2Tajikistan: 6 million tonnes of CO2Timor-Leste: 0.6 million tonnes of CO2Turkmenistan: 62.1 million tonnes of CO2Tunisia: 31 million tonnes of CO2Türkiye: 405.6 million tonnes of CO2Trinidad and Tobago: 39.9 million tonnes of CO2Taiwan: 280.2 million tonnes of CO2Tanzania: 13.5 million tonnes of CO2Ukraine: 234.1 million tonnes of CO2Uganda: 4.8 million tonnes of CO2United States: 5,245.4 million tonnes of CO2Uruguay: 6.5 million tonnes of CO2Uzbekistan: 109.8 million tonnes of CO2Venezuela: 152.7 million tonnes of CO2Vietnam: 221 million tonnes of CO2Vanuatu: 0.2 million tonnes of CO2Samoa: 0.2 million tonnes of CO2Yemen: 10 million tonnes of CO2South Africa: 457 million tonnes of CO2Zambia: 6 million tonnes of CO2Zimbabwe: 10.6 million tonnes of CO2
  • Under 10
  • 10 to 20
  • 20 to 50
  • 50 to 180
  • 180 and over
  • No data
million tonnes of CO2, 2016. Hatched areas have no value for this period. Source: Global Carbon Project, Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2. Boundaries: Natural Earth (public domain).

Top 40 countries, 2016

China: 9,748.2 million tonnes of CO2China9,748.2United States: 5,245.4 million tonnes of CO2United States5,245.4India: 2,352.5 million tonnes of CO2India2,352.5Russia: 1,629.3 million tonnes of CO2Russia1,629.3Japan: 1,199.9 million tonnes of CO2Japan1,199.9Germany: 798 million tonnes of CO2Germany798Iran: 644.7 million tonnes of CO2Iran644.7Saudi Arabia: 641.2 million tonnes of CO2Saudi Arabia641.2South Korea: 637.9 million tonnes of CO2South Korea637.9Canada: 553.7 million tonnes of CO2Canada553.7Indonesia: 548 million tonnes of CO2Indonesia548Brazil: 491.7 million tonnes of CO2Brazil491.7Mexico: 478.8 million tonnes of CO2Mexico478.8South Africa: 457 million tonnes of CO2South Africa457Australia: 409.7 million tonnes of CO2Australia409.7Türkiye: 405.6 million tonnes of CO2Türkiye405.6United Kingdom: 399.4 million tonnes of CO2United Kingdom399.4Italy: 358.1 million tonnes of CO2Italy358.1France: 335.5 million tonnes of CO2France335.5Poland: 323.3 million tonnes of CO2Poland323.3Kazakhstan: 301.7 million tonnes of CO2Kazakhstan301.7Thailand: 284 million tonnes of CO2Thailand284Taiwan: 280.2 million tonnes of CO2Taiwan280.2Spain: 259.6 million tonnes of CO2Spain259.6Egypt: 245.2 million tonnes of CO2Egypt245.2Malaysia: 237.3 million tonnes of CO2Malaysia237.3Ukraine: 234.1 million tonnes of CO2Ukraine234.1United Arab Emirates: 227.9 million tonnes of CO2United Arab Emirates227.9Vietnam: 221 million tonnes of CO2Vietnam221Argentina: 190 million tonnes of CO2Argentina190Pakistan: 176.7 million tonnes of CO2Pakistan176.7Netherlands: 164.8 million tonnes of CO2Netherlands164.8Algeria: 158.3 million tonnes of CO2Algeria158.3Iraq: 153.1 million tonnes of CO2Iraq153.1Venezuela: 152.7 million tonnes of CO2Venezuela152.7Philippines: 120.2 million tonnes of CO2Philippines120.2Nigeria: 116.4 million tonnes of CO2Nigeria116.4Uzbekistan: 109.8 million tonnes of CO2Uzbekistan109.8Czechia: 106.6 million tonnes of CO2Czechia106.6Kuwait: 104 million tonnes of CO2Kuwait104China: 9,748.2 million tonnes of CO2China9,748.2United States: 5,245.4 million tonnes of CO2United States5,245.4India: 2,352.5 million tonnes of CO2India2,352.5Russia: 1,629.3 million tonnes of CO2Russia1,629.3Japan: 1,199.9 million tonnes of CO2Japan1,199.9Germany: 798 million tonnes of CO2Germany798Iran: 644.7 million tonnes of CO2Iran644.7Saudi Arabia: 641.2 million tonnes of CO2Saudi Arabia641.2South Korea: 637.9 million tonnes of CO2South Korea637.9Canada: 553.7 million tonnes of CO2Canada553.7Indonesia: 548 million tonnes of CO2Indonesia548Brazil: 491.7 million tonnes of CO2Brazil491.7Mexico: 478.8 million tonnes of CO2Mexico478.8South Africa: 457 million tonnes of CO2South Africa457Australia: 409.7 million tonnes of CO2Australia409.7Türkiye: 405.6 million tonnes of CO2Türkiye405.6United Kingdom: 399.4 million tonnes of CO2United Kingdom399.4Italy: 358.1 million tonnes of CO2Italy358.1France: 335.5 million tonnes of CO2France335.5Poland: 323.3 million tonnes of CO2Poland323.3Kazakhstan: 301.7 million tonnes of CO2Kazakhstan301.7Thailand: 284 million tonnes of CO2Thailand284Taiwan: 280.2 million tonnes of CO2Taiwan280.2Spain: 259.6 million tonnes of CO2Spain259.6Egypt: 245.2 million tonnes of CO2Egypt245.2Malaysia: 237.3 million tonnes of CO2Malaysia237.3Ukraine: 234.1 million tonnes of CO2Ukraine234.1United Arab Emirates: 227.9 million tonnes of CO2United Arab Emirates227.9Vietnam: 221 million tonnes of CO2Vietnam221Argentina: 190 million tonnes of CO2Argentina190Pakistan: 176.7 million tonnes of CO2Pakistan176.7Netherlands: 164.8 million tonnes of CO2Netherlands164.8Algeria: 158.3 million tonnes of CO2Algeria158.3Iraq: 153.1 million tonnes of CO2Iraq153.1Venezuela: 152.7 million tonnes of CO2Venezuela152.7Philippines: 120.2 million tonnes of CO2Philippines120.2Nigeria: 116.4 million tonnes of CO2Nigeria116.4Uzbekistan: 109.8 million tonnes of CO2Uzbekistan109.8Czechia: 106.6 million tonnes of CO2Czechia106.6Kuwait: 104 million tonnes of CO2Kuwait104
million tonnes of CO2. Source: Global Carbon Project, Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2. Retrieved 2026-10-12.

Full ranking

RankCountries2016
million tonnes of CO2
Change on 2015
1China9,748.2-1.1%
2United States5,245.4-2.3%
3India2,352.5+5.4%
4Russia1,629.3-0.4%
5Japan1,199.9-1.6%
6Germany798-0.4%
7Iran644.7+0.4%
8Saudi Arabia641.2+2.7%
9South Korea637.9+0.6%
10Canada553.7-1.7%
11Indonesia548-0.6%
12Brazil491.7-6.9%
13Mexico478.8-0.1%
14South Africa457-0.1%
15Australia409.7+2.3%
16Türkiye405.6+4.6%
17United Kingdom399.4-5.5%
18Italy358.1-0.9%
19France335.5+1%
20Poland323.3+3.4%
21Kazakhstan301.7-0.4%
22Thailand284+2.5%
23Taiwan280.2+1.4%
24Spain259.6-4%
25Egypt245.2+8.2%
26Malaysia237.3+0.6%
27Ukraine234.1+4.6%
28United Arab Emirates227.9+1.3%
29Vietnam221+3.6%
30Argentina190-0.9%
31Pakistan176.7+22%
32Netherlands164.8+0.5%
33Algeria158.3-1.3%
34Iraq153.1+7.4%
35Venezuela152.7-8.2%
36Philippines120.2+8.3%
37Nigeria116.4+5.3%
38Uzbekistan109.8+6.3%
39Czechia106.6+1.6%
40Kuwait104+11.5%
41Belgium99.8-1.5%
42Colombia91.6+0.6%
43Qatar91.4-2.1%
44Chile84.3+3%
45Bangladesh81.8+6.3%
46Romania76.6-1.9%
47Greece71.4-4.8%
48Austria67.2+1.3%
49Oman66.2-2.4%
50Turkmenistan62.1-1.6%
51Israel61.2-2.8%
52Morocco58.5-0.1%
53Belarus58.2-1.1%
54Libya57.4-5.7%
55Peru52.7+7.1%
56Portugal50.3-3.7%
57Singapore49.1-0.6%
58Finland47.3+6.9%
59Hungary47+1%
60Bulgaria45.3-5.8%
61Serbia45.2+3%
62Norway44.7-1.8%
63Hong Kong43.4+2.3%
64Sweden43.3-0%
65Ireland40.4+4.3%
66Trinidad and Tobago39.9-12.4%
67Ecuador39.4-4.7%
68Switzerland39.2+1.2%
69Denmark36.9+5.1%
70Slovakia35+1.3%
71Azerbaijan34.7+0.1%
72North Korea34.2+9.5%
73New Zealand34.1-4.7%
74Bahrain31.6-2.7%
75Tunisia31-1.3%
76Syria29.2-6.3%
77Cuba27.8-4.5%
78Lebanon26.4+2.7%
79Mongolia25.6+10.1%
80Angola25.5-7.4%
81Jordan24.9-3.3%
82Dominican Republic24.1+5%
83Sri Lanka22.3+16.5%
84Bosnia and Herzegovina21.7+17.7%
85Bolivia21.2+6.8%
86Myanmar21.1-3.4%
87Sudan19.7+38.5%
88Croatia18.1+1.6%
89Estonia17.4+10.5%
90Guatemala16.5+7%
91Laos16.4+78.6%
92Kenya16.3+7.1%
93Slovenia14.5+5.9%
94Ethiopia14.3+14%
95Ghana13.9-4.5%
96Tanzania13.5+5.8%
97Lithuania13.1+0.4%
98Côte d’Ivoire12+25.4%
99Cambodia10.6+30%
100Zimbabwe10.6-11.9%
101Panama10.3-3%
102Nepal10.1+46.1%
103Yemen10-28.9%
104Georgia10+2.6%
105Senegal10+1.7%
106Cameroon10+1.2%
107Honduras9.9-8.8%
108Kyrgyzstan9.6-6.3%
109Luxembourg9.1-2.8%
110Afghanistan8.6-8.3%
111Mozambique8.5+27%
112Jamaica8.1+2.1%
113Costa Rica7.8+6.5%
114Brunei7.6+10.1%
115Equatorial Guinea7.5+7.5%
116Cyprus7.3+5.7%
117Latvia7.2-0.7%
118Paraguay7.2+18.9%
119Papua New Guinea7+11.2%
120North Macedonia6.6-1.7%
121El Salvador6.6-1%
122Uruguay6.5-3.2%
123Botswana6.3+17%
124Curaçao6.2-15.4%
125Tajikistan6+13.4%
126Zambia6+8.2%
127Republic of the Congo5.7+1.6%
128Gabon5.6-2.8%
129New Caledonia5.5+12.4%
130Nicaragua5.4-0.5%
131Benin5.3-0.1%
132Armenia5.2-4.8%
133Moldova4.9+2.6%
134Uganda4.8+6.4%
135Albania4.6-3.3%
136Mauritius4.3+3.1%
137Mali4.3+26.1%
138Burkina Faso4+6.5%
139Namibia3.6+5.6%
140Iceland3.5-1.3%
141Madagascar3.3+4.3%
142Palestine3.2+7.8%
143Haiti3+12.1%
144Suriname2.9+7.4%
145Guinea2.7+10%
146Democratic Republic of the Congo2.7-18.8%
147Mauritania2.6-12.6%
148Chad2.4+1.3%
149Togo2.3+27.5%
150Bahamas2.2+0.7%
151Guyana2.2+12.5%
152Niger2.1-2.6%
153Lesotho2-0.9%
154Montenegro2-10%
155Macao1.8+0.4%
156South Sudan1.7-10.9%
157Bhutan1.6+8.8%
158Maldives1.4+11.7%
159Malta1.4-18.9%
160Barbados1.4+2.8%
161Fiji1.3-8%
162Malawi1.2+11.7%
163Sierra Leone1.1+5.1%
164Rwanda1.1+8.8%
165Eswatini1+20.3%
166Somalia1+3.6%
167Aruba0.9-1.6%
168French Polynesia0.9+2.6%
169Sint Maarten0.7+0.5%
170Belize0.7-1.6%
171Liberia0.6-7.4%
172Timor-Leste0.6+8.9%
173Faroe Islands0.6+3%
174Bermuda0.6+13.5%
175Antigua and Barbuda0.6+2.5%
176Gambia0.6+1.3%
177Eritrea0.6-0.6%
178Seychelles0.6+11%
179Cape Verde0.5+7.4%
180Greenland0.5-7%
181Andorra0.5+1.6%
181Saint Lucia0.5-1.5%
183Burundi0.4+20.6%
184Djibouti0.4-15.3%
185Turks and Caicos Islands0.3+3.5%
186Solomon Islands0.3-1.2%
187Grenada0.3+5.6%
188Saint Vincent and the Grenadines0.2+3.1%
189Central African Republic0.2+22.6%
189Saint Kitts and Nevis0.2+3.2%
189Samoa0.2+4.8%
192British Virgin Islands0.2+1.6%
193Palau0.2+3.6%
194Comoros0.2+14.3%
195Dominica0.2-2.1%
196Guinea-Bissau0.2+9.5%
197Vanuatu0.2+13.9%
198Liechtenstein0.1-6.3%
199São Tomé and Príncipe0.1+8.1%
200Marshall Islands0.10%
200Micronesia0.10%
202Anguilla0.1+2.7%
202Tonga0.1+31%
204Caribbean Netherlands0.1+2.9%
205Cook Islands0.10%
206Saint Pierre and Miquelon0.10%
207Kiribati0.1-6.3%
208Nauru0.1-6.7%
209Montserrat0-42.9%
210Wallis and Futuna00%
211Saint Helena0+33.3%
212Niue00%
212Tuvalu00%
214Antarctica0n/a
214Christmas Island0n/a

Other periods

About this ranking

Carbon dioxide emitted from fossil sources in the year, in million tonnes of CO2, as estimated by the Global Carbon Project for the Global Carbon Budget.

More on how it is measured
  • Fossil CO2 covers the burning of coal, oil and gas, gas flaring, cement production and other industrial carbonate use.
  • Emissions are counted in the country where they occur (territorial emissions).
  • International aviation and shipping are left out of country figures and included in the World total.
  • Land use change is not included.

Higher than energy_co2_emissions (EIA), which counts CO2 from energy use only, and lower than greenhouse gas totals, which add methane, nitrous oxide and fluorinated gases. Each annual Global Carbon Budget release revises past years.

Every value in the ranking comes from the same publisher and the same period, so the countries are compared on one definition. Equal values share a rank.

How to cite

Andrew, R. M. and Peters, G. P., The Global Carbon Project's fossil CO2 emissions dataset, Global Carbon Budget (Friedlingstein et al.). Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2. https://zenodo.org/records/17417124. Retrieved 2026-10-12. Licensed under CC BY 4.0.

Citation styles

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APA 7

Global Carbon Project. (2025). Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2 (Countries by fossil CO2 emissions, 2016) [Data set]. Retrieved October 12, 2026, from https://zenodo.org/records/17417124

MLA 9

Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2, Countries by fossil CO2 emissions, 2016. Global Carbon Project, 22 Oct. 2025, https://zenodo.org/records/17417124. Invokely, https://invokely.ai/rankings/fossil-co2-emissions/countries?period=2016. Accessed 12 Oct. 2026.

Chicago (author-date)

Global Carbon Project. 2025. Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2. Countries by fossil CO2 emissions, 2016. Dataset. Accessed October 12, 2026. https://zenodo.org/records/17417124. Also distributed by Invokely, https://invokely.ai/rankings/fossil-co2-emissions/countries?period=2016.

Harvard

Global Carbon Project (2025) Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2, Countries by fossil CO2 emissions, 2016 [Dataset]. Available at: https://zenodo.org/records/17417124, via Invokely: https://invokely.ai/rankings/fossil-co2-emissions/countries?period=2016 (Accessed: 12 October 2026).

BibTeX
@misc{global_countries_by_fossil_co2_2016,
  author = {{Global Carbon Project}},
  title = {{Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2: Countries by fossil CO2 emissions, 2016}},
  year = {2025},
  howpublished = {Data set},
  url = {https://zenodo.org/records/17417124},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/fossil-co2-emissions/countries?period=2016. Publisher attribution: Andrew, R. M. and Peters, G. P., The Global Carbon Project's fossil CO2 emissions dataset, Global Carbon Budget (Friedlingstein et al.). Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2. https://zenodo.org/records/17417124. Retrieved 2026-10-12. Licensed under CC BY 4.0.},
}
RIS
TY  - DATA
AU  - Global Carbon Project
TI  - Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2: Countries by fossil CO2 emissions, 2016
PY  - 2025
DA  - 2025/10/22
PB  - Global Carbon Project
DB  - Invokely
UR  - https://zenodo.org/records/17417124
L2  - https://invokely.ai/rankings/fossil-co2-emissions/countries?period=2016
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/fossil-co2-emissions/countries?period=2016.
N1  - Publisher attribution: Andrew, R. M. and Peters, G. P., The Global Carbon Project's fossil CO2 emissions dataset, Global Carbon Budget (Friedlingstein et al.). Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2. https://zenodo.org/records/17417124. Retrieved 2026-10-12. Licensed under CC BY 4.0.
ER  - 
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Questions

Which country has the highest fossil CO2 emissions?

China, with 9,748.2 million tonnes of CO2 in 2016, according to Global Carbon Project.

Which country has the lowest fossil CO2 emissions?

Christmas Island, with 0 million tonnes of CO2 in 2016.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Global Carbon Project, Global Carbon Project fossil CO2 emissions dataset: total fossil CO2 emissions, million tonnes of CO2. Retrieved 2026-10-12.

Fossil CO2 emissions: other rankings

Countries: more rankings