Fossil fuel consumption, per unit of GDP by country
Fossil fuel consumption divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
What the numbers show
Fossil fuel consumption, per unit of GDP is currently reported for 200 countries. The highest value is 0 terawatt-hours per US$ of GDP in Iran, Islamic Republic of; the lowest is 0 terawatt-hours per US$ of GDP in Tuvalu.
The median across all reporting countries is 0 terawatt-hours per US$ of GDP, and the mean is 0 terawatt-hours per US$ of GDP.
Over the past decade 43 countries rose and 156 fell. The largest increase was in Lao People's Democratic Republic (up 332.9%), and the largest decrease in Eritrea, The State of (down 73.3%).
Fossil fuel consumption, per unit of GDP: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Iran, Islamic Republic of | 0 terawatt-hours per US$ of GDP | 2025 | up 51.8% | falling |
| 2 | Turkmenistan | 0 terawatt-hours per US$ of GDP | 2025 | down 7.3% | volatile |
| 3 | Trinidad and Tobago | 0 terawatt-hours per US$ of GDP | 2025 | down 29.9% | volatile |
| 4 | Bahrain, Kingdom of | 0 terawatt-hours per US$ of GDP | 2024 | down 11.0% | falling |
| 5 | Libya | 0 terawatt-hours per US$ of GDP | 2024 | up 28.7% | falling |
| 6 | Lao People's Democratic Republic | 0 terawatt-hours per US$ of GDP | 2024 | up 332.9% | volatile |
| 7 | Venezuela, República Bolivariana de | 0 terawatt-hours per US$ of GDP | 2025 | down 19.8% | volatile |
| 8 | Syrian Arab Republic | 0 terawatt-hours per US$ of GDP | 2022 | down 2.1% | falling |
| 9 | Oman | 0 terawatt-hours per US$ of GDP | 2025 | up 1.2% | volatile |
| 10 | Uzbekistan, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 16.7% | volatile |
| 11 | Brunei Darussalam | 0 terawatt-hours per US$ of GDP | 2024 | up 42.0% | rising |
| 12 | Kuwait | 0 terawatt-hours per US$ of GDP | 2025 | down 18.1% | volatile |
| 13 | South Africa | 0 terawatt-hours per US$ of GDP | 2025 | down 20.8% | volatile |
| 14 | Mongolia | 0 terawatt-hours per US$ of GDP | 2024 | down 20.5% | volatile |
| 15 | Russian Federation | 0 terawatt-hours per US$ of GDP | 2025 | down 40.6% | volatile |
| 16 | Egypt, Arab Republic of | 0 terawatt-hours per US$ of GDP | 2025 | up 3.2% | falling |
| 17 | Kazakhstan, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 11.9% | volatile |
| 18 | Yemen, Republic of | 0 terawatt-hours per US$ of GDP | 2018 | down 16.2% | falling |
| 19 | Qatar | 0 terawatt-hours per US$ of GDP | 2025 | down 22.2% | volatile |
| 20 | Bosnia and Herzegovina | 0 terawatt-hours per US$ of GDP | 2024 | down 12.2% | volatile |
| 21 | Belarus, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 40.8% | volatile |
| 22 | Algeria | 0 terawatt-hours per US$ of GDP | 2025 | down 15.8% | falling |
| 23 | Iraq | 0 terawatt-hours per US$ of GDP | 2025 | down 3.8% | volatile |
| 24 | Malaysia | 0 terawatt-hours per US$ of GDP | 2025 | down 23.5% | falling |
| 25 | Lebanon | 0 terawatt-hours per US$ of GDP | 2024 | up 39.9% | falling |
| 26 | Saudi Arabia | 0 terawatt-hours per US$ of GDP | 2025 | down 41.0% | volatile |
| 27 | Azerbaijan, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 18.8% | volatile |
| 28 | India | 0 terawatt-hours per US$ of GDP | 2025 | down 26.1% | falling |
| 29 | Tajikistan, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | up 8.6% | volatile |
| 30 | Tunisia | 0 terawatt-hours per US$ of GDP | 2024 | up 9.2% | falling |
| 31 | Equatorial Guinea, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | up 66.6% | volatile |
| 32 | United Arab Emirates | 0 terawatt-hours per US$ of GDP | 2024 | down 13.5% | volatile |
| 33 | Naoero, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 28.5% | volatile |
| 34 | Vietnam | 0 terawatt-hours per US$ of GDP | 2025 | down 15.0% | falling |
| 35 | Ukraine | 0 terawatt-hours per US$ of GDP | 2025 | down 73.2% | volatile |
| 36 | Thailand | 0 terawatt-hours per US$ of GDP | 2025 | down 32.3% | falling |
| 37 | American Samoa | 0 terawatt-hours per US$ of GDP | 2022 | down 31.5% | falling |
| 38 | Mozambique, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | up 7.6% | rising |
| 39 | Kyrgyz Republic | 0 terawatt-hours per US$ of GDP | 2024 | down 57.4% | volatile |
| 40 | Bolivia | 0 terawatt-hours per US$ of GDP | 2024 | down 14.4% | falling |
| 41 | China, People's Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 26.1% | volatile |
| 42 | Suriname | 0 terawatt-hours per US$ of GDP | 2024 | up 12.1% | volatile |
| 43 | Nigeria | 0 terawatt-hours per US$ of GDP | 2024 | up 136.4% | volatile |
| 44 | United States Virgin Islands | 0 terawatt-hours per US$ of GDP | 2022 | down 28.6% | volatile |
| 45 | Indonesia | 0 terawatt-hours per US$ of GDP | 2025 | down 7.7% | volatile |
| 46 | Moldova, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 55.5% | volatile |
| 47 | Afghanistan, Islamic Republic of | 0 terawatt-hours per US$ of GDP | 2024 | up 72.3% | rising |
| 48 | Seychelles | 0 terawatt-hours per US$ of GDP | 2024 | down 42.4% | falling |
| 49 | Pakistan | 0 terawatt-hours per US$ of GDP | 2025 | down 27.5% | volatile |
| 50 | Myanmar | 0 terawatt-hours per US$ of GDP | 2024 | up 19.2% | volatile |
| 51 | Georgia | 0 terawatt-hours per US$ of GDP | 2024 | down 21.8% | volatile |
| 52 | Mauritania, Islamic Republic of | 0 terawatt-hours per US$ of GDP | 2024 | up 7.4% | volatile |
| 53 | Jordan | 0 terawatt-hours per US$ of GDP | 2024 | down 29.9% | falling |
| 54 | Serbia, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 38.1% | falling |
| 55 | Singapore | 0 terawatt-hours per US$ of GDP | 2025 | down 44.2% | volatile |
| 56 | Cambodia | 0 terawatt-hours per US$ of GDP | 2024 | up 51.8% | falling |
| 57 | Jamaica | 0 terawatt-hours per US$ of GDP | 2024 | down 35.5% | volatile |
| 58 | Korea, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 15.4% | volatile |
| 59 | Fiji, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | up 23.6% | falling |
| 60 | Mauritius | 0 terawatt-hours per US$ of GDP | 2024 | down 4.1% | falling |
| 61 | New Caledonia | 0 terawatt-hours per US$ of GDP | 2024 | down 11.7% | volatile |
| 62 | Armenia, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 44.6% | volatile |
| 63 | Timor-Leste, Democratic Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 1.1% | falling |
| 64 | Senegal | 0 terawatt-hours per US$ of GDP | 2024 | down 3.9% | falling |
| 65 | Congo, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 0.5% | falling |
| 66 | Micronesia, Federated States of | 0 terawatt-hours per US$ of GDP | 2024 | down 31.6% | volatile |
| 67 | Zambia | 0 terawatt-hours per US$ of GDP | 2024 | up 169.8% | volatile |
| 68 | Morocco | 0 terawatt-hours per US$ of GDP | 2025 | down 23.5% | volatile |
| 69 | Zimbabwe | 0 terawatt-hours per US$ of GDP | 2024 | down 30.0% | volatile |
| 70 | Antigua and Barbuda | 0 terawatt-hours per US$ of GDP | 2024 | down 33.7% | volatile |
| 71 | Tonga | 0 terawatt-hours per US$ of GDP | 2024 | down 23.9% | falling |
| 72 | Benin | 0 terawatt-hours per US$ of GDP | 2024 | down 5.4% | rising |
| 73 | Lesotho, Kingdom of | 0 terawatt-hours per US$ of GDP | 2024 | up 30.1% | falling |
| 74 | Malta | 0 terawatt-hours per US$ of GDP | 2024 | down 37.4% | falling |
| 75 | Bhutan | 0 terawatt-hours per US$ of GDP | 2024 | up 28.0% | rising |
| 76 | Honduras | 0 terawatt-hours per US$ of GDP | 2024 | down 25.2% | falling |
| 77 | North Macedonia, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 45.3% | volatile |
| 78 | Ecuador | 0 terawatt-hours per US$ of GDP | 2025 | down 17.3% | falling |
| 79 | Ghana | 0 terawatt-hours per US$ of GDP | 2024 | up 32.1% | falling |
| 80 | Grenada | 0 terawatt-hours per US$ of GDP | 2024 | down 0.2% | falling |
| 81 | Bangladesh | 0 terawatt-hours per US$ of GDP | 2025 | down 37.2% | falling |
| 82 | Palestine | 0 terawatt-hours per US$ of GDP | 2024 | up 48.5% | falling |
| 83 | Botswana | 0 terawatt-hours per US$ of GDP | 2024 | up 7.3% | falling |
| 84 | Philippines | 0 terawatt-hours per US$ of GDP | 2025 | down 5.2% | volatile |
| 85 | Samoa | 0 terawatt-hours per US$ of GDP | 2024 | down 18.0% | falling |
| 86 | Montenegro | 0 terawatt-hours per US$ of GDP | 2024 | down 32.2% | falling |
| 87 | Aruba | 0 terawatt-hours per US$ of GDP | 2024 | down 33.6% | falling |
| 88 | El Salvador | 0 terawatt-hours per US$ of GDP | 2024 | down 3.3% | falling |
| 89 | Burundi | 0 terawatt-hours per US$ of GDP | 2024 | up 97.3% | flat |
| 90 | Argentina | 0 terawatt-hours per US$ of GDP | 2025 | down 20.8% | volatile |
| 91 | Canada | 0 terawatt-hours per US$ of GDP | 2025 | down 32.5% | volatile |
| 92 | Mexico | 0 terawatt-hours per US$ of GDP | 2025 | down 34.2% | volatile |
| 93 | Panama | 0 terawatt-hours per US$ of GDP | 2024 | down 36.0% | volatile |
| 94 | Namibia | 0 terawatt-hours per US$ of GDP | 2024 | down 8.2% | falling |
| 95 | Türkiye, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 30.5% | volatile |
| 96 | Turks and Caicos Islands | 0 terawatt-hours per US$ of GDP | 2024 | up 25.9% | rising |
| 97 | Dominica | 0 terawatt-hours per US$ of GDP | 2024 | down 10.4% | falling |
| 98 | Maldives | 0 terawatt-hours per US$ of GDP | 2024 | down 54.2% | falling |
| 99 | Cabo Verde | 0 terawatt-hours per US$ of GDP | 2024 | down 38.6% | volatile |
| 100 | Dominican Republic | 0 terawatt-hours per US$ of GDP | 2024 | down 12.4% | volatile |
| 101 | Nicaragua | 0 terawatt-hours per US$ of GDP | 2024 | down 33.0% | volatile |
| 102 | Mali | 0 terawatt-hours per US$ of GDP | 2024 | up 54.4% | rising |
| 103 | Sudan | 0 terawatt-hours per US$ of GDP | 2024 | down 17.9% | rising |
| 104 | Togo | 0 terawatt-hours per US$ of GDP | 2024 | down 6.9% | falling |
| 105 | St. Kitts and Nevis | 0 terawatt-hours per US$ of GDP | 2024 | down 3.7% | falling |
| 106 | Eswatini, Kingdom of | 0 terawatt-hours per US$ of GDP | 2024 | up 21.6% | volatile |
| 107 | Kiribati | 0 terawatt-hours per US$ of GDP | 2024 | down 14.3% | falling |
| 108 | Papua New Guinea | 0 terawatt-hours per US$ of GDP | 2024 | up 20.2% | volatile |
| 109 | Vanuatu | 0 terawatt-hours per US$ of GDP | 2024 | up 28.8% | volatile |
| 110 | St. Lucia | 0 terawatt-hours per US$ of GDP | 2024 | down 3.2% | falling |
| 111 | Eritrea, The State of | 0 terawatt-hours per US$ of GDP | 2011 | down 73.3% | volatile |
| 112 | Burkina Faso | 0 terawatt-hours per US$ of GDP | 2024 | up 20.6% | flat |
| 113 | Belize | 0 terawatt-hours per US$ of GDP | 2024 | up 0.8% | falling |
| 114 | Bulgaria | 0 terawatt-hours per US$ of GDP | 2025 | down 68.7% | volatile |
| 115 | Comoros, Union of the | 0 terawatt-hours per US$ of GDP | 2024 | up 61.9% | rising |
| 116 | Sierra Leone | 0 terawatt-hours per US$ of GDP | 2024 | up 49.9% | volatile |
| 117 | St. Vincent and the Grenadines | 0 terawatt-hours per US$ of GDP | 2024 | down 20.5% | falling |
| 118 | Poland, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 55.0% | volatile |
| 119 | Chile | 0 terawatt-hours per US$ of GDP | 2025 | down 27.8% | volatile |
| 120 | Nepal | 0 terawatt-hours per US$ of GDP | 2024 | up 19.2% | flat |
| 121 | Tanzania, United Republic of | 0 terawatt-hours per US$ of GDP | 2024 | up 10.3% | falling |
| 122 | Gambia, The | 0 terawatt-hours per US$ of GDP | 2024 | down 48.0% | falling |
| 123 | Côte d'Ivoire | 0 terawatt-hours per US$ of GDP | 2024 | down 1.7% | falling |
| 124 | Estonia, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 66.3% | volatile |
| 125 | Greece | 0 terawatt-hours per US$ of GDP | 2025 | down 34.3% | volatile |
| 126 | São Tomé and Príncipe, Democratic Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 56.3% | flat |
| 127 | Japan | 0 terawatt-hours per US$ of GDP | 2025 | down 19.2% | volatile |
| 128 | Colombia | 0 terawatt-hours per US$ of GDP | 2025 | down 30.1% | volatile |
| 129 | Barbados | 0 terawatt-hours per US$ of GDP | 2024 | down 22.0% | falling |
| 130 | Bahamas, The | 0 terawatt-hours per US$ of GDP | 2024 | down 21.0% | volatile |
| 131 | Madagascar, Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 14.9% | falling |
| 132 | French Polynesia | 0 terawatt-hours per US$ of GDP | 2024 | up 32.4% | falling |
| 133 | Angola | 0 terawatt-hours per US$ of GDP | 2024 | up 35.2% | volatile |
| 134 | Cuba | 0 terawatt-hours per US$ of GDP | 2020 | down 61.4% | volatile |
| 135 | Brazil | 0 terawatt-hours per US$ of GDP | 2025 | down 26.7% | volatile |
| 136 | Solomon Islands | 0 terawatt-hours per US$ of GDP | 2024 | down 25.7% | falling |
| 137 | Faroe Islands | 0 terawatt-hours per US$ of GDP | 2024 | down 12.6% | volatile |
| 138 | Guam | 0 terawatt-hours per US$ of GDP | 2022 | down 21.3% | volatile |
| 139 | Sri Lanka | 0 terawatt-hours per US$ of GDP | 2025 | down 7.0% | volatile |
| 140 | Peru | 0 terawatt-hours per US$ of GDP | 2025 | down 26.9% | volatile |
| 141 | Australia | 0 terawatt-hours per US$ of GDP | 2025 | down 28.9% | volatile |
| 142 | Czech Republic | 0 terawatt-hours per US$ of GDP | 2025 | down 61.5% | volatile |
| 143 | Guinea | 0 terawatt-hours per US$ of GDP | 2024 | down 34.1% | rising |
| 144 | Hungary | 0 terawatt-hours per US$ of GDP | 2025 | down 53.2% | volatile |
| 145 | Cyprus | 0 terawatt-hours per US$ of GDP | 2025 | down 47.3% | volatile |
| 146 | Croatia, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 46.5% | volatile |
| 147 | Guatemala | 0 terawatt-hours per US$ of GDP | 2024 | down 18.2% | falling |
| 148 | Slovak Republic | 0 terawatt-hours per US$ of GDP | 2025 | down 48.5% | volatile |
| 149 | Gabon | 0 terawatt-hours per US$ of GDP | 2024 | down 30.7% | falling |
| 150 | United States | 0 terawatt-hours per US$ of GDP | 2025 | down 40.5% | volatile |
| 151 | Puerto Rico | 0 terawatt-hours per US$ of GDP | 2024 | down 22.9% | volatile |
| 152 | Paraguay | 0 terawatt-hours per US$ of GDP | 2024 | up 27.0% | falling |
| 153 | Guinea-Bissau | 0 terawatt-hours per US$ of GDP | 2024 | down 50.3% | falling |
| 154 | Djibouti | 0 terawatt-hours per US$ of GDP | 2024 | down 59.9% | volatile |
| 155 | Belgium | 0 terawatt-hours per US$ of GDP | 2025 | down 42.3% | volatile |
| 156 | Kenya | 0 terawatt-hours per US$ of GDP | 2024 | down 23.4% | volatile |
| 157 | Guyana | 0 terawatt-hours per US$ of GDP | 2024 | down 66.4% | volatile |
| 158 | Greenland | 0 terawatt-hours per US$ of GDP | 2023 | down 32.4% | volatile |
| 159 | Central African Republic | 0 terawatt-hours per US$ of GDP | 2024 | up 79.9% | falling |
| 160 | Niger | 0 terawatt-hours per US$ of GDP | 2024 | down 23.5% | falling |
| 161 | Hong Kong Special Administrative Region, People's Republic of China | 0 terawatt-hours per US$ of GDP | 2025 | down 39.7% | volatile |
| 162 | Albania | 0 terawatt-hours per US$ of GDP | 2024 | down 53.7% | volatile |
| 163 | Liberia | 0 terawatt-hours per US$ of GDP | 2024 | down 59.7% | volatile |
| 164 | Malawi | 0 terawatt-hours per US$ of GDP | 2024 | up 22.1% | falling |
| 165 | Romania | 0 terawatt-hours per US$ of GDP | 2025 | down 62.2% | volatile |
| 166 | Netherlands, The | 0 terawatt-hours per US$ of GDP | 2025 | down 53.7% | volatile |
| 167 | Spain | 0 terawatt-hours per US$ of GDP | 2025 | down 40.7% | volatile |
| 168 | Somalia | 0 terawatt-hours per US$ of GDP | 2024 | down 5.7% | volatile |
| 169 | Cameroon | 0 terawatt-hours per US$ of GDP | 2024 | down 33.7% | falling |
| 170 | Slovenia, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 51.3% | falling |
| 171 | Lithuania, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 61.8% | volatile |
| 172 | Latvia, Republic of | 0 terawatt-hours per US$ of GDP | 2025 | down 58.3% | volatile |
| 173 | Italy | 0 terawatt-hours per US$ of GDP | 2025 | down 37.5% | volatile |
| 174 | Ethiopia, The Federal Democratic Republic of | 0 terawatt-hours per US$ of GDP | 2024 | down 36.0% | falling |
| 175 | New Zealand | 0 terawatt-hours per US$ of GDP | 2025 | down 44.1% | volatile |
| 176 | Uganda | 0 terawatt-hours per US$ of GDP | 2024 | down 17.6% | falling |
| 177 | Rwanda | 0 terawatt-hours per US$ of GDP | 2024 | down 0.8% | volatile |
| 178 | Portugal | 0 terawatt-hours per US$ of GDP | 2025 | down 56.7% | volatile |
| 179 | Germany | 0 terawatt-hours per US$ of GDP | 2025 | down 46.2% | volatile |
| 180 | Cayman Islands | 0 terawatt-hours per US$ of GDP | 2024 | down 15.1% | falling |
| 181 | Israel | 0 terawatt-hours per US$ of GDP | 2025 | down 50.4% | volatile |
| 182 | Uruguay | 0 terawatt-hours per US$ of GDP | 2024 | down 19.5% | volatile |
| 183 | Austria | 0 terawatt-hours per US$ of GDP | 2025 | down 42.3% | volatile |
| 184 | Costa Rica | 0 terawatt-hours per US$ of GDP | 2024 | down 34.3% | volatile |
| 185 | Finland | 0 terawatt-hours per US$ of GDP | 2025 | down 49.3% | volatile |
| 186 | Chad | 0 terawatt-hours per US$ of GDP | 2024 | up 70.3% | volatile |
| 187 | United Kingdom | 0 terawatt-hours per US$ of GDP | 2025 | down 45.2% | volatile |
| 188 | France | 0 terawatt-hours per US$ of GDP | 2025 | down 42.5% | volatile |
| 189 | Iceland | 0 terawatt-hours per US$ of GDP | 2025 | down 47.2% | volatile |
| 190 | Luxembourg | 0 terawatt-hours per US$ of GDP | 2025 | down 55.2% | volatile |
| 191 | Haiti | 0 terawatt-hours per US$ of GDP | 2024 | down 62.9% | falling |
| 192 | Norway | 0 terawatt-hours per US$ of GDP | 2025 | down 33.8% | volatile |
| 193 | Bermuda | 0 terawatt-hours per US$ of GDP | 2024 | down 43.6% | volatile |
| 194 | Sweden | 0 terawatt-hours per US$ of GDP | 2025 | down 31.0% | volatile |
| 195 | Congo, Democratic Republic of the | 0 terawatt-hours per US$ of GDP | 2024 | down 61.6% | volatile |
| 196 | Denmark | 0 terawatt-hours per US$ of GDP | 2025 | down 57.3% | volatile |
| 197 | Ireland | 0 terawatt-hours per US$ of GDP | 2025 | down 62.3% | volatile |
| 198 | Macao Special Administrative Region, People's Republic of China | 0 terawatt-hours per US$ of GDP | 2024 | up 19.8% | volatile |
| 199 | Switzerland | 0 terawatt-hours per US$ of GDP | 2025 | down 43.1% | volatile |
| 200 | Tuvalu | 0 terawatt-hours per US$ of GDP | 2024 | — | volatile |
How this figure is calculated
Fossil fuel consumption divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Fossil fuel consumption ÷ GDP (current US$)
Computed from
- Fossil fuel consumption Energy Institute – Statistical Review of World Energy (2026) and other sources – with major processing by Our World in Data
- GDP Country official statistics, National Statistical Organizations and/or Central Banks
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Fossil fuel consumption divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.