List of U.S. states and territories by carbon dioxide emissions

This is a list of U.S. states and territories by carbon dioxide emissions due to human activity. The data presented below are energy-related greenhouse emissions (CO2 equivalent) only, published by the U.S. Energy Information Administration (2017 data). These data do not include emissions from other activity such as agriculture, industrial processes, or waste management.[1][2]

CO2 emission per capita per year per state (2011 data).

The Northern Mariana Islands is not ranked in the table below because there is no data for that territory.[note 1] The Northern Mariana Islands is the only state/territory with no carbon dioxide emissions data.

The jurisdiction with the highest total carbon dioxide emissions is Texas, and the jurisdiction with the lowest total carbon dioxide emissions is American Samoa. The region with the highest per capita carbon dioxide emissions is Wyoming, and the jurisdiction with the lowest per capita carbon dioxide emissions is the District of Columbia.

Table
Rank Jurisdiction Annual CO2
emissions
in 2017
(in millions of
metric tons)[1]		 Percentage
of total
emissions [note 2]		 Population
(estimate in 2017)		 Percentage
of total
population[note 3]		 CO2 emissions
per capita
(in metric tons)		 Annual CO2 emissions in 2017

per 1000 sq. miles

(in millions of
metric tons)

- States, D.C. and
territories total		 5,158.54 [note 4] 100% 328,842,859 [note 5] 100% 15.687 [note 6] 1.355
- States and D.C. Total 5,133.4 99.51% [note 7] 325,122,128 98.87% [note 8] 15.789 1.352
1  Texas 706.5 13.7% 28,291,024 8.603% 24.973 2.7
2  California 358.6 7.0% 39,337,785 11.962% 9.116 2.3
3  Florida 226.6 4.4% 20,977,089 6.380% 10.802 4.2
4  Louisiana 226.4 4.4% 4,673,673 1.421% 48.442 5.2
5  Pennsylvania 215.3 4.2% 12,794,679 3.891% 16.827 4.8
6  Ohio 204.3 4.0% 11,665,706 3.548% 17.513 5.0
7  Illinois 201.1 3.9% 12,779,893 3.886% 15.736 3.6
8  Indiana 175.8 3.4% 6,662,068 2.026% 26.388 4.9
9 New York 156.7 3.0% 19,593,849 5.958% 7.997 3.3
10  Michigan 151.8 2.9% 9,976,752 3.034% 15.215 2.7
11 Georgia 131.9 2.6% 10,417,031 3.168% 12.662 2.3
12  Missouri 122.4 2.4% 6,111,382 1.858% 20.028 1.8
13  North Carolina 115.0 2.2% 10,275,758 3.125% 11.191 2.4
14  Kentucky 113.6 2.2% 4,455,590 1.355% 25.496 2.9
15  Alabama 108.3 2.1% 4,877,989 1.483% 22.202 2.1
16  New Jersey 101.0 2.0% 8,888,147 2.703% 11.363 13.7
17  Virginia 97.9 1.9% 8,471,011 2.576% 11.557 2.5
18  Tennessee 97.6 1.9% 6,714,748 2.042% 14.535 2.4
19  Wisconsin 97.6 1.9% 5,793,147 1.762% 16.847 1.8
20  Oklahoma 92.7 1.8% 3,933,602 1.196% 23.566 1.4
21  West Virginia 90.8 1.8% 1,818,683 0.553% 49.926 3.8
22  Minnesota 87.9 1.7% 5,569,283 1.694% 15.783 1.1
23  Colorado 87.0 1.7% 5,617,421 1.708% 15.488 0.8
24  Arizona 85.6 1.7% 7,048,088 2.143% 12.145 0.8
25 Washington 78.2 1.5% 7,427,951 2.259% 10.528 1.2
26  Iowa 76.3 1.5% 3,143,734 0.956% 24.271 1.4
27  South Carolina 68.8 1.4% 5,027,102 1.529% 13.686 2.3
28  Mississippi 67.4 1.3% 2,990,674 0.909% 22.537 1.4
29  Arkansas 63.9 1.2% 3,003,855 0.913% 21.273 1.2
30  Massachusetts 63.3 1.2% 6,863,560 2.087% 9.223 8.1
31  Wyoming 60.6 1.2% 579,994 0.176% 104.484 0.6
32  Kansas 57.9 1.1% 2,910,892 0.885% 19.891 0.7
33  Utah 58.2 1.1% 3,103,540 0.944% 18.753 0.7
34  North Dakota 56.2 1.1% 756,755 0.230% 74.264 0.8
35  Maryland 51.6 1.0% 6,028,186 1.833% 8.560 5.3
36  Nebraska 47.7 0.9% 1,916,998 0.583% 24.883 0.6
37  New Mexico 48.7 0.9% 2,092,844 0.636% 23.270 0.4
38  Oregon 38.3 0.7% 4,147,294 1.261% 9.235 0.4
39  Nevada 36.2 0.7% 2,972,097 0.904% 12.180 0.3
40  Alaska 34.1 0.7% 740,983 0.225% 46.020 0.1
41  Connecticut 33.4 0.6% 3,575,324 1.087% 9.342 6.9
42  Montana 30.3 0.6% 1,053,862 0.320% 28.751 0.2
43  Puerto Rico 19.8 0.4% 3,337,000 1.015% 5.933 5.8
44  Idaho 18.4 0.4% 1,719,745 0.523% 10.699 0.2
45  Hawaii 17.6 0.3% 1,425,763 0.434% 12.344 2.7
46  Maine 15.4 0.3% 1,335,743 0.406% 11.529 0.5
47  South Dakota 14.5 0.3% 873,732 0.266% 16.595 0.2
48  New Hampshire 13.4 0.3% 1,350,395 0.411% 9.923 1.5
49  Delaware 12.3 0.2% 957,942 0.291% 12.840 6.3
50  Rhode Island 10.0 0.2% 1,056,554 0.321% 9.465 9.7
51  Vermont 5.8 0.1% 625,132 0.190% 9.278 0.6
52  U.S. Virgin Islands 2.76 0.05% 107,268 0.0326% 25.730 20.5
53  District of Columbia 2.6 0.05% 697,079 0.212% 3.730 42.6
54  Guam 2.21 0.043% 164,281 0.050% 13.453 10.5
55  American Samoa 0.36 0.0070% 55,620 0.0169% 6.472 4.7
—  Northern Mariana Islands No data No data 56,562 0.0172% No data No data

Source for territories (population): CIA World Factbook (2017 web.archive.org captures) for 2017 populations,[4][note 9] plus 2019 versions of the CIA World Factbook which contain 2017 carbon dioxide data for four of the five territories[5][6][7][8]

See also

Notes

General
  • The 'States and D.C. Total' value represents the sum of CO
    2     emissions from the 50 U.S. states plus the District of Columbia. This value differs from total U.S. CO2 emissions from fossil fuel combustion reported in the Inventory of U.S. Greenhouse Gas Emissions and Sinks. The U.S. inventory value is larger because it includes emissions from U.S. territories and possessions; it also uses a different approach for estimating emissions from non-energy uses of fossil fuels (which are not included in the combustion-related values shown in this table).
  • Nationally, CO2 emissions from fossil fuel combustion represented the largest source (76%) of total GWP–weighted emissions from all emission sources in 2014.[2] Similarly, CO2 emissions from fossil fuel combustion are the largest source of greenhouse gas emissions within a state.[2]
  • Numbers for territories include only fossil fuel numbers — they do not include petroleum, natural gas, and coal numbers.<-- should the U.S. territories include these numbers?—>

Specific
  1. The CIA World Factbook does not have any information about CO2 emissions in their Northern Mariana Islands page, and the EIA lists carbon dioxide emissions for the Northern Mariana Islands as “NA” (Not Available).
  2. Total emissions is for the 50 states and District of Columbia only. Percentages for states are out of the 50 states and District of Columbia. Percentages for territories are the percent they would be if territories were included in the total .
  3. The total population is the 50 states, District of Columbia, and 5 inhabited self-governing territories. (Percentages for each state/territory use the 328,842,859 number as the total.)
  4. Total is for the 50 states, the District of Columbia, American Samoa, Guam, Puerto Rico and U.S. Virgin Islands. Does not include the Northern Mariana Islands (no data for the Northern Mariana Islands).
  5. 2017 populations: 325,122,128 (50 states + DC) + 55,620 (AS) + 164,281 (GU) + 56,562 (MP) + 3,337,000 (PR) + 107,268 (VI) — 50 states, DC & Puerto Rico data from Census; other territories data from CIA World Factbook (2017 web.archive.org captures).
  6. Because the Northern Mariana Islands has no data, the per capita number uses the total population minus the Northern Mariana Islands population (i.e. 328,786,297 total).
  7. If only the 50 states and D.C. are included, total is 100%. If counting the 50 states, D.C. and territories, the total for only the states and D.C. (out of that group) is 99.5%.
  8. If including only the states and D.C., percent is 100%. If the total is for states, D.C. and territories, the percent for only states and D.C. (out of that group) is 98.87%
  9. Puerto Rico 2016 population derived from Census, not CIA World Facebook

References
  1. https://www.eia.gov/state/data.php?sid=US
    Eia.gov. (Note: The URL is for total US data. To see data of an individual state, change the two-letter abbreviation at end of URL to the state’s abbreviation, such as AL for Alabama, or AQ / GQ / CQ / RQ / VQ for the territories.) Retrieved January 2021.
  2. "U.S. Greenhouse Gas Inventory Report: 1990-2014". US Environmental Protection Agency. Retrieved 14 September 2016.
  3. "Population, Population Change, and Estimated Components of Population Change: April 1, 2010 to July 1, 2020 (NST-EST2020-alldata)". Census.gov. United States Census Bureau. Archived from the original on 22 December 2020. Retrieved 17 January 2021.
  4. https://web.archive.org/web/20161011002629/https://www.cia.gov/library//publications/the-world-factbook/geos/aq.html
    https://web.archive.org/web/20161011000037/https://www.cia.gov/library//publications/the-world-factbook/geos/gq.html
    https://web.archive.org/web/20161011002151/https://www.cia.gov/library//publications/the-world-factbook/geos/cq.html
    https://web.archive.org/web/20161011002006/https://www.cia.gov/library//publications/the-world-factbook/geos/vq.html
    CIA World Factbook (web.archive.org captures) — American Samoa, Guam, Northern Mariana Islands, U.S. Virgin Islands. Retrieved July 3, 2019.
  5. The World Factbook
    The CIA World Factbook. American Samoa. Retrieved July 3, 2019.
  6. The World Factbook
    CIA World Factbook — Guam. Retrieved July 3, 2019.
  7. The World Factbook CIA World Factbook — Puerto Rico. Retrieved July 3, 2019.
  8. The World Factbook CIA World Factbook — U.S. Virgin Islands. Retrieved July 3, 2019.

Tableau Public Chart of the 2014 data on Tableau Public

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