A ratio of annual fossil-fuel CO2 emitted to population.
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Wyoming | 0.126 | 0.127 | 0.122 | 0.115 | 0.112 | 0.115 | 0.117 | 0.112 | 0.108 | 0.104 |
| North Dakota | 0.070 | 0.079 | 0.081 | 0.077 | 0.078 | 0.080 | 0.078 | 0.079 | 0.076 | 0.072 |
| West Virginia | 0.058 | 0.063 | 0.062 | 0.054 | 0.053 | 0.050 | 0.051 | 0.054 | 0.050 | 0.052 |
| Alaska | 0.063 | 0.071 | 0.072 | 0.055 | 0.054 | 0.052 | 0.049 | 0.048 | 0.049 | 0.047 |
| Louisiana | 0.047 | 0.050 | 0.045 | 0.049 | 0.049 | 0.046 | 0.044 | 0.043 | 0.044 | 0.045 |
| Montana | 0.035 | 0.034 | 0.037 | 0.035 | 0.032 | 0.030 | 0.031 | 0.031 | 0.031 | 0.029 |
| Kentucky | 0.032 | 0.036 | 0.036 | 0.034 | 0.034 | 0.031 | 0.031 | 0.031 | 0.029 | 0.028 |
| Indiana | 0.037 | 0.039 | 0.037 | 0.033 | 0.032 | 0.030 | 0.030 | 0.031 | 0.028 | 0.027 |
| Nebraska | 0.021 | 0.024 | 0.025 | 0.027 | 0.028 | 0.027 | 0.029 | 0.028 | 0.027 | 0.025 |
| Oklahoma | 0.028 | 0.029 | 0.030 | 0.028 | 0.028 | 0.027 | 0.027 | 0.027 | 0.026 | 0.025 |
| Alabama | 0.027 | 0.032 | 0.031 | 0.028 | 0.027 | 0.026 | 0.025 | 0.025 | 0.025 | 0.024 |
| Texas | 0.033 | 0.031 | 0.026 | 0.023 | 0.023 | 0.023 | 0.023 | 0.023 | 0.023 | 0.023 |
| Iowa | 0.022 | 0.027 | 0.027 | 0.029 | 0.028 | 0.026 | 0.026 | 0.026 | 0.024 | 0.023 |
| New Mexico | 0.035 | 0.032 | 0.031 | 0.026 | 0.027 | 0.026 | 0.025 | 0.024 | 0.024 | 0.023 |
| Mississippi | 0.019 | 0.021 | 0.022 | 0.022 | 0.020 | 0.021 | 0.020 | 0.021 | 0.022 | 0.023 |
| Kansas | 0.028 | 0.028 | 0.026 | 0.025 | 0.025 | 0.023 | 0.024 | 0.024 | 0.022 | 0.021 |
| Arkansas | 0.022 | 0.024 | 0.022 | 0.023 | 0.023 | 0.022 | 0.023 | 0.023 | 0.020 | 0.021 |
| Missouri | 0.020 | 0.022 | 0.024 | 0.022 | 0.022 | 0.021 | 0.022 | 0.022 | 0.020 | 0.019 |
| Utah | 0.031 | 0.029 | 0.027 | 0.023 | 0.023 | 0.022 | 0.023 | 0.022 | 0.021 | 0.019 |
| Ohio | 0.023 | 0.023 | 0.024 | 0.021 | 0.020 | 0.019 | 0.020 | 0.020 | 0.018 | 0.018 |
| South Dakota | 0.017 | 0.019 | 0.017 | 0.019 | 0.018 | 0.018 | 0.018 | 0.018 | 0.017 | 0.017 |
| Pennsylvania | 0.022 | 0.022 | 0.022 | 0.020 | 0.019 | 0.019 | 0.019 | 0.019 | 0.018 | 0.017 |
| Wisconsin | 0.018 | 0.020 | 0.020 | 0.017 | 0.017 | 0.016 | 0.018 | 0.018 | 0.017 | 0.017 |
| Minnesota | 0.018 | 0.020 | 0.020 | 0.017 | 0.017 | 0.016 | 0.017 | 0.017 | 0.016 | 0.016 |
| Colorado | 0.020 | 0.020 | 0.021 | 0.019 | 0.018 | 0.017 | 0.017 | 0.017 | 0.017 | 0.016 |
| Illinois | 0.017 | 0.019 | 0.019 | 0.018 | 0.018 | 0.017 | 0.018 | 0.018 | 0.017 | 0.016 |
| Tennessee | 0.021 | 0.022 | 0.021 | 0.017 | 0.017 | 0.015 | 0.015 | 0.016 | 0.015 | 0.016 |
| Michigan | 0.019 | 0.019 | 0.019 | 0.017 | 0.016 | 0.015 | 0.016 | 0.016 | 0.016 | 0.015 |
| South Carolina | 0.017 | 0.020 | 0.020 | 0.018 | 0.017 | 0.015 | 0.015 | 0.015 | 0.015 | 0.014 |
| Delaware | 0.026 | 0.020 | 0.020 | 0.013 | 0.013 | 0.015 | 0.014 | 0.014 | 0.014 | 0.014 |
| Georgia | 0.021 | 0.020 | 0.021 | 0.018 | 0.016 | 0.014 | 0.013 | 0.014 | 0.013 | 0.013 |
| Hawaii | 0.020 | 0.015 | 0.018 | 0.014 | 0.014 | 0.014 | 0.013 | 0.013 | 0.013 | 0.013 |
| Arizona | 0.017 | 0.017 | 0.017 | 0.015 | 0.014 | 0.014 | 0.014 | 0.014 | 0.013 | 0.013 |
| Nevada | 0.025 | 0.022 | 0.021 | 0.014 | 0.012 | 0.013 | 0.013 | 0.013 | 0.012 | 0.012 |
| Virginia | 0.015 | 0.017 | 0.017 | 0.014 | 0.012 | 0.012 | 0.013 | 0.013 | 0.012 | 0.012 |
| Maine | 0.016 | 0.018 | 0.018 | 0.014 | 0.013 | 0.012 | 0.013 | 0.013 | 0.013 | 0.012 |
| New Jersey | 0.014 | 0.014 | 0.015 | 0.013 | 0.013 | 0.012 | 0.012 | 0.013 | 0.012 | 0.012 |
| North Carolina | 0.017 | 0.018 | 0.018 | 0.015 | 0.013 | 0.012 | 0.013 | 0.013 | 0.012 | 0.012 |
| Florida | 0.014 | 0.015 | 0.015 | 0.013 | 0.012 | 0.012 | 0.011 | 0.011 | 0.011 | 0.011 |
| Idaho | 0.011 | 0.012 | 0.011 | 0.010 | 0.010 | 0.010 | 0.011 | 0.010 | 0.011 | 0.011 |
| Washington | 0.014 | 0.013 | 0.012 | 0.011 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | 0.011 |
| New Hampshire | 0.013 | 0.014 | 0.016 | 0.013 | 0.012 | 0.011 | 0.011 | 0.011 | 0.011 | 0.010 |
| Connecticut | 0.012 | 0.013 | 0.013 | 0.010 | 0.010 | 0.009 | 0.010 | 0.010 | 0.010 | 0.010 |
| Maryland | 0.015 | 0.014 | 0.015 | 0.012 | 0.011 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 |
| Vermont | 0.010 | 0.011 | 0.011 | 0.009 | 0.009 | 0.009 | 0.009 | 0.009 | 0.010 | 0.010 |
| Massachusetts | 0.014 | 0.013 | 0.013 | 0.011 | 0.010 | 0.009 | 0.010 | 0.009 | 0.010 | 0.009 |
| Oregon | 0.011 | 0.012 | 0.011 | 0.011 | 0.010 | 0.009 | 0.010 | 0.010 | 0.009 | 0.009 |
| Rhode Island | 0.009 | 0.011 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | 0.010 | 0.009 |
| California | 0.012 | 0.011 | 0.011 | 0.010 | 0.009 | 0.009 | 0.009 | 0.009 | 0.009 | 0.009 |
| New York | 0.012 | 0.011 | 0.011 | 0.009 | 0.008 | 0.008 | 0.008 | 0.009 | 0.008 | 0.008 |
| District of Columbia | 0.007 | 0.008 | 0.007 | 0.005 | 0.005 | 0.004 | 0.004 | 0.005 | 0.004 | 0.004 |