| Sector | Annual emission (Mt CO2-e) | Percentage contribution (%) | Synopsis | Reference |
| Energy - electricity | 172.9 | 32.7 | Fuel combustion to generate electricity | Australian Government [37] , Hanna [38] |
| Waste | 13.1 | 2.5 | Emissions from the decomposition, treatment and combustion of waste | |
| Energy - transport | 99.7 | 18.9 | Fuel combustion for vehicles, domestic shipping and aviation, trains | |
| Energy - fugitive emissions | 55.8 | 10.6 | Fugitive emissions from the extraction, processing and supplying of coal, natural gas and oil | |
| Energy - stationary energy excluding electricity | 102.7 | 19.4 | Direct fuel combustion used in energy, mining, manufacturing, building, primary industries | |
| Industrial processes and product use | 34.6 | 6.5 | Metal production, chemical industry, synthetic gas production | |
| Agriculture | 68 | 12.9 | Livestock production, use of fertilisers and soil additives, residue burning | |
| Land Use, Land Use Change and Forestry | −18.1 | −3.4 | Deforestation, Reforestation, revegetation, management of crop, forest and pastures |